1441 lines
30 KiB
Plaintext
1441 lines
30 KiB
Plaintext
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"$Header$"
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/********************************************************************
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**** ****
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**** Z 8 0 B A C K E N D T A B L E S ****
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**** ****
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********************************************************************/
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/*
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* INTEGER SIZE: 16 bits
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* POINTER SIZE: 16 bits
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*/
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/* We store LB in the iy index-register, because this results in the
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* cheapest addressing schemes for instruction like lol and stl.
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* For a lol with an argument that is too low (< 0-128) or too high
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* (>= 127) there is an overhead, because the offset cannot be
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* expressed in 8 bits. In these cases we copy the LB to the hl-register,
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* compute the required address and use register indirect mode to do
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* the load. These cases occur rarely (about 11.5 % in C and 5.5 %
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* in Pascal.
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*/
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EM_WSIZE = 2
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EM_PSIZE = 2
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EM_BSIZE = 4
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/**************************
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** R E G I S T E R S **
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**************************/
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REGISTERS:
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AA = ("a",1) REG1, AREG.
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BB = ("b",1) REG1.
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CC = ("c",1) REG1.
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DD = ("d",1) REG1.
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EE = ("e",1) REG1.
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HH = ("h",1) REG1.
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LL = ("l",1) REG1.
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BC = ("bc",2,BB,CC) REG, GEN_REG, BC_REG, ANY_REG.
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DE = ("de",2,DD,EE) REG, GEN_REG, DE_REG, ANY_REG.
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HL = ("hl",2,HH,LL) GEN_REG, HL_REG, ANY_REG.
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LB = ("iy",2) LOCALBASE.
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IX = ("ix",2) INDEXREG, IX_REG, ANY_REG.
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pseudo0 = ("",2,BC,DE).
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pseudo1 = ("",2,HL,IX).
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pseudo2 = ("",2,pseudo0,pseudo1).
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pseudo3 = ("",2,pseudo2,AA) ALL_REG.
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/*****************
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** T O K E N S **
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*****************/
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TOKENS:
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IMMEDIATE1 = {INT off;} 1 "%[off]"
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IMMEDIATE = {INT off;} 2 "%[off]"
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IREG1 = {REGISTER reg;} 1 "(%[reg])"
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INDEXED = {REGISTER reg;
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INT off; } 1 "(%[reg]+%[off])"
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EXTENDED = {STRING off; } 2 "(%[off])"
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LOCAL_ADDR = {INT off; } 2
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EXTENDED_ADDR = {STRING off; } 2 "%[off]"
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/*************************************
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** T O K E N E X P R E S S I O N S **
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*************************************/
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TOKENEXPRESSIONS:
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ANYTOK = IMMEDIATE + EXTENDED
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ANY1 = REG1 + IMMEDIATE1 + IREG1 + INDEXED
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ANY_ADDR = EXTENDED_ADDR + LOCAL_ADDR
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ANY = ANYTOK + ANY_REG + ANY_ADDR
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MEM_ALL = ANY - ANY_REG
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REG_SCR = REG * SCRATCH
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ANY_REG_SCR = ANY_REG * SCRATCH
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GEN_REG_SCR = GEN_REG * SCRATCH
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HL_REG_SCR = HL_REG * SCRATCH
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BC_REG_SCR = BC_REG * SCRATCH
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DE_REG_SCR = DE_REG * SCRATCH
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IX_REG_SCR = IX_REG * SCRATCH
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/*************
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** C O D E **
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*************/
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CODE:
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/* G R O U P I : L O A D S */
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loc | | | {IMMEDIATE,$1} | |
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ldc | | | {IMMEDIATE,highw(1)} {IMMEDIATE,loww(1)} | |
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lol sfit($1,8) | | allocate(REG)
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move({INDEXED,LB,$1} , %[a.2] )
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move({INDEXED,LB,$1+1} , %[a.1] ) | %[a] | |
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lol | | allocate(HL_REG,REG)
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"push iy"
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"pop %[b]"
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move({IMMEDIATE,$1} , %[a] )
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"add hl,%[b]"
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"ld %[b.2],(hl)"
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"inc hl"
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"ld %[b.1],(hl)"
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erase(HL)
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erase(%[a]) | %[b] | |
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ldl $1<126 && $1>0-128 | | allocate(REG,REG)
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move({INDEXED,LB,$1} , %[a.2])
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move({INDEXED,LB,$1+1},%[a.1])
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move({INDEXED,LB,$1+2},%[b.2])
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move({INDEXED,LB,$1+3},%[b.1]) | %[b] %[a] | |
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ldl | |
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remove(ALL)
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allocate(BC_REG,DE_REG,HL_REG={IMMEDIATE,$1})
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"push iy"
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"pop bc"
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"add hl,bc"
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"ld e,(hl)"
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"inc hl"
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"ld d,(hl)"
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"inc hl"
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"ld c,(hl)"
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"inc hl"
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"ld b,(hl)"
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| BC DE | |
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loe | | | {EXTENDED,$1} | |
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lde | | | {EXTENDED,$1+"+2"} {EXTENDED,$1} | |
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lil sfit($1,8) | | allocate(HL_REG,REG)
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move({INDEXED,LB,$1} , %[a.2])
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move({INDEXED,LB,$1+1} , %[a.1])
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"ld %[b.2],(hl)"
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"inc hl"
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"ld %[b.1],(hl)"
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erase(HL)
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erase(%[a]) | %[b] | |
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lil | | allocate(HL_REG = {IMMEDIATE,$1} , REG)
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"push iy"
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"pop %[b]"
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"add hl,%[b]"
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"ld %[b.2],(hl)"
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"inc hl"
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"ld %[b.1],(hl)"
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"ld h,%[b.1]"
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"ld l,%[b.2]"
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"ld %[b.2],(hl)"
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"inc hl"
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"ld %[b.1],(hl)"
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erase(HL)
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erase(%[a]) | %[b] | |
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lof | HL_REG_SCR | allocate(REG = {IMMEDIATE,$1} )
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"add hl,%[a]"
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"ld %[a.2],(hl)"
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"inc hl"
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"ld %[a.1],(hl)"
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erase(HL)
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erase(%[a]) | %[a] | |
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... | REG_SCR | allocate(HL_REG = {IMMEDIATE,$1} )
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"add hl,%[1]"
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"ld %[1.2],(hl)"
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"inc hl"
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"ld %[1.1],(hl)"
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erase(HL)
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erase(%[1]) | %[1] | |
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ldf | HL_REG_SCR | allocate(REG = {IMMEDIATE,$1} , REG)
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"add hl,%[a]"
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"ld %[a.2],(hl)"
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"inc hl"
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"ld %[a.1],(hl)"
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"inc hl"
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"ld %[b.2],(hl)"
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"inc hl"
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"ld %[b.1],(hl)"
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erase(HL)
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erase(%[a]) | %[b] %[a] | |
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... | REG_SCR | allocate(HL_REG = {IMMEDIATE,$1} , REG)
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"add hl,%[1]"
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"ld %[1.2],(hl)"
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"inc hl"
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"ld %[1.1],(hl)"
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"inc hl"
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"ld %[b.2],(hl)"
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"inc hl"
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"ld %[b.1],(hl)"
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erase(HL)
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erase(%[1]) | %[b] %[1] | |
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lal | | remove(ALL)
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allocate(HL_REG, REG = {IMMEDIATE,$1} )
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"push iy"
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"pop hl"
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"add hl,%[b]"
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erase(%[a]) | %[a] | |
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lae | | | {EXTENDED_ADDR,$1} | |
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lxl $1 == 0 | | remove(ALL)
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"push iy"
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lxl | | remove(ALL)
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allocate(AREG = {IMMEDIATE1,$1} ,
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HL_REG,BC_REG)
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"push iy"
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"pop %[c]"
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"1:"
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"ld hl,4"
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"add hl,%[c]"
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"ld %[c.2],(hl)"
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"inc hl"
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"ld %[c.1],(hl)"
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"dec a"
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"jr nz,1b"
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"push %[c]"
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erase(AA) | | |
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lxa $1 == 0 | | | | lxl $1 adp 4 |
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lxa $1 == 1 | | remove(ALL)
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allocate(HL_REG,BC_REG)
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"ld %[b],4"
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"push iy"
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"pop hl"
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"add hl,%[b]"
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"ld %[b.2],(hl)"
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"inc hl"
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"ld %[b.1],(hl)"
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"ld hl,4"
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"add hl,%[b]" | HL | |
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lxa $1 > 1 | | remove (ANY)
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allocate(AREG = {IMMEDIATE1,$1},
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HL_REG,BC_REG)
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"push iy"
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"pop %[c]"
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"1:"
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"ld hl,4"
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"add hl,%[c]"
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"ld %[c.2],(hl)"
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"inc hl"
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"ld %[c.1],(hl)"
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"inc hl"
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"dec a"
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"jr nz,1b"
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"ld hl,4"
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"add hl,%[c]"
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erase(AA) | HL | |
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dch | | | | loi 2 |
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loi $1 == 1 | HL_REG | allocate(REG = {IMMEDIATE,0} )
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"ld %[a.2],(hl)"
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erase(%[a]) | %[a] | |
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... | REG | allocate(REG,AREG)
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move({IREG1,%[1]} , AA)
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move(AA , %[a.2])
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move({IMMEDIATE1,0} , %[a.1])
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erase(AA) | %[a] | |
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loi $1 == 2 | HL_REG_SCR | remove(ALL) allocate(REG)
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"ld %[a.2],(hl)"
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"inc hl"
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"ld %[a.1],(hl)"
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erase(%[1]) | %[a] | |
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loi $1 == 4 | HL_REG_SCR | remove(ALL)
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allocate(AREG,REG)
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"ld %[b.2],(hl)"
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"inc hl"
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"ld %[b.1],(hl)"
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"inc hl"
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"ld a,(hl)"
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"inc hl"
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"ld h,(hl)"
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"ld l,a"
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erase(HL) | HL %[b] | |
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loi $1 <= 511 && $1 > 4 | HL_REG_SCR |
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remove(ALL)
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allocate(AREG,REG)
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move({IMMEDIATE,$1-1} , %[b])
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"add hl,%[b]"
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move({IMMEDIATE1,$1/2} , AA)
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"1:"
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"ld %[b.1],(hl)"
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"dec hl"
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"ld %[b.2],(hl)"
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"dec hl"
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"push %[b]"
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"dec a"
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"jr nz,1b"
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erase(%[a])
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erase(%[b]) | | |
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loi $1 > 511 | STACK | remove(ALL) allocate(ALL_REG)
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move({IMMEDIATE,$1}, HL)
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"push hl"
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"call .los"
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erase(HL) | | |
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los $1 == 2 | STACK | remove(ALL) allocate(ALL_REG)
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"call .los" | | |
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lpi | | | {EXTENDED_ADDR,$1} | |
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/* G R O U P II : S T O R E S */
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stl sfit($1,8) | REG + HL_REG |
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remove(ALL)
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move(%[1.2] , {INDEXED,LB,$1} )
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move(%[1.1] , {INDEXED,LB,$1+1} )
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stl | REG |
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remove(ALL)
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allocate(HL_REG = {IMMEDIATE,$1} , REG)
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"push iy"
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"pop %[b]"
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"add hl,%[b]"
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"ld (hl),%[1.2]"
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"inc hl"
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"ld (hl),%[1.1]"
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erase(%[a]) | | |
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ste | ANY_REG | remove(EXTENDED,%[off] == $1)
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remove(ALL)
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move(%[1] , {EXTENDED,$1} ) | | |
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sil ($1 >= 0-128 && $1 < 127) | REG |
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remove(ALL)
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allocate(HL_REG)
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move({INDEXED,LB,$1} , %[a.2])
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move({INDEXED,LB,$1+1} , %[a.1])
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"ld (hl),%[1.2]"
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"inc hl"
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"ld (hl),%[1.1]"
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erase(%[a]) | | |
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sil ($1 < 0-128 || $1 >= 127) | REG |
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remove(ALL)
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allocate(HL_REG,REG)
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"push iy"
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"pop %[b]"
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move({IMMEDIATE,$1} , %[a])
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"add hl,%[b]"
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"ld %[b.2],(hl)"
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"inc hl"
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"ld %[b.1],(hl)"
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"ld h,%[b.1]"
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"ld l,%[b.2]"
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"ld (hl),%[1.2]"
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"inc hl"
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"ld (hl),%[1.1]"
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erase(%[a]) | | |
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|
|
stf | HL_REG_SCR REG | remove(ALL)
|
||
|
|
allocate(REG = {IMMEDIATE,$1})
|
||
|
|
"add hl,%[a]"
|
||
|
|
"ld (hl),%[2.2]"
|
||
|
|
"inc hl"
|
||
|
|
"ld (hl),%[2.1]"
|
||
|
|
erase(%[1]) | | |
|
||
|
|
sti $1 == 1 | HL_REG REG | remove(ALL)
|
||
|
|
"ld (hl),%[2.2]" | | |
|
||
|
|
sti $1 == 2 | HL_REG_SCR REG | remove(ALL)
|
||
|
|
"ld (hl),%[2.2]"
|
||
|
|
"inc hl"
|
||
|
|
"ld (hl),%[2.1]"
|
||
|
|
erase(%[1]) | | |
|
||
|
|
sti $1 == 4 | HL_REG_SCR REG REG |
|
||
|
|
remove(ALL)
|
||
|
|
"ld (hl),%[2.2]"
|
||
|
|
"inc hl"
|
||
|
|
"ld (hl),%[2.1]"
|
||
|
|
"inc hl"
|
||
|
|
"ld (hl),%[3.2]"
|
||
|
|
"inc hl"
|
||
|
|
"ld (hl),%[3.1]"
|
||
|
|
erase(HL) | | |
|
||
|
|
sti $1 <= 511 && $1 > 4 | HL_REG_SCR |
|
||
|
|
remove(ALL)
|
||
|
|
allocate(AREG,REG)
|
||
|
|
move({IMMEDIATE1,$1/2} , AA)
|
||
|
|
"1:"
|
||
|
|
"pop %[b]"
|
||
|
|
"ld (hl),%[b.2]"
|
||
|
|
"inc hl"
|
||
|
|
"ld (hl),%[b.1]"
|
||
|
|
"inc hl"
|
||
|
|
"dec a"
|
||
|
|
"jr nz,1b"
|
||
|
|
erase(AA)
|
||
|
|
erase(HL) | | |
|
||
|
|
sti $1 > 511 | STACK | remove(ALL) allocate(ALL_REG)
|
||
|
|
move({IMMEDIATE,$1}, HL)
|
||
|
|
"push hl"
|
||
|
|
"call .sts"
|
||
|
|
erase(HL) | | |
|
||
|
|
sts $1 == 2 | STACK | remove(ALL) allocate(ALL_REG)
|
||
|
|
"call .sts" | | |
|
||
|
|
sdl ($1 >= 0-128 && $1 < 125) | REG REG |
|
||
|
|
remove(ALL)
|
||
|
|
move(%[1.2] , {INDEXED,LB,$1})
|
||
|
|
move(%[1.1] , {INDEXED,LB,$1+1})
|
||
|
|
move(%[2.2] , {INDEXED,LB,$1+2})
|
||
|
|
move(%[2.1] , {INDEXED,LB,$1+3}) | | |
|
||
|
|
sdl ($1 < 0-128 || $1 >= 125) | STACK |
|
||
|
|
remove(ALL)
|
||
|
|
allocate(HL_REG = {IMMEDIATE,$1} ,
|
||
|
|
BC_REG,DE_REG,IX_REG,AREG )
|
||
|
|
"call .sdl"
|
||
|
|
erase(HL) | | |
|
||
|
|
sde | ANY_REG ANY_REG |
|
||
|
|
remove(ALL)
|
||
|
|
move(%[1] , {EXTENDED,$1})
|
||
|
|
move(%[2] , {EXTENDED,$1+"+2"}) | | |
|
||
|
|
sdf | | remove(ALL)
|
||
|
|
allocate(ALL_REG)
|
||
|
|
move({IMMEDIATE,$1},DE)
|
||
|
|
"call .sdf"
|
||
|
|
| | |
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
/* G R O U P III & IV : I N T E G E R A R I T H M E T I C */
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
adi $1 == 2 | HL_REG_SCR GEN_REG |
|
||
|
|
"add hl,%[2]"
|
||
|
|
erase(HL) | HL | |
|
||
|
|
... | GEN_REG HL_REG_SCR |
|
||
|
|
"add hl,%[1]"
|
||
|
|
erase(HL) | HL | |
|
||
|
|
adi $1 == 4 | HL_REG_SCR DE_REG_SCR STACK | allocate(BC_REG)
|
||
|
|
"pop bc"
|
||
|
|
"add hl,bc"
|
||
|
|
"ex de,hl"
|
||
|
|
"pop bc"
|
||
|
|
"adc hl,bc"
|
||
|
|
erase(DE)
|
||
|
|
erase(HL) | HL DE | |
|
||
|
|
sbi $1 == 2 | GEN_REG HL_REG_SCR |
|
||
|
|
"or a"
|
||
|
|
"sbc hl,%[1]"
|
||
|
|
erase(HL) | HL | |
|
||
|
|
sbi $1 == 4 | BC_REG_SCR DE_REG_SCR STACK |
|
||
|
|
allocate(HL_REG)
|
||
|
|
"or a"
|
||
|
|
"pop hl"
|
||
|
|
"sbc hl,bc" /* least sign. */
|
||
|
|
"ex (sp),hl"
|
||
|
|
"sbc hl,de"
|
||
|
|
"pop de"
|
||
|
|
erase(DE)
|
||
|
|
erase(HL) | HL DE | |
|
||
|
|
mli $1 == 2 | DE_REG_SCR BC_REG STACK |
|
||
|
|
allocate(HL_REG,IX_REG,AREG)
|
||
|
|
"call .mli2"
|
||
|
|
erase(DE) | HL | |
|
||
|
|
mli $1 == 4 | STACK | allocate(ALL_REG)
|
||
|
|
"call .mli4" | | |
|
||
|
|
dvi $1 == 2 | BC_REG_SCR DE_REG_SCR STACK |
|
||
|
|
allocate(HL_REG,IX_REG,AREG)
|
||
|
|
"call .dvi2"
|
||
|
|
"push de"
|
||
|
|
erase(BC)
|
||
|
|
erase(DE) | | |
|
||
|
|
dvi $1 == 4 | STACK | allocate(ALL_REG)
|
||
|
|
"call .dvi4" | | |
|
||
|
|
dvu $1 == 2 | BC_REG_SCR DE_REG_SCR STACK |
|
||
|
|
allocate(HL_REG,IX_REG,AREG)
|
||
|
|
"call .dvu2"
|
||
|
|
erase(BC)
|
||
|
|
erase(DE) | DE | |
|
||
|
|
dvu $1 == 4 | STACK | allocate(ALL_REG)
|
||
|
|
"call .dvu4" | | |
|
||
|
|
rmi $1 == 2 | BC_REG_SCR DE_REG_SCR STACK |
|
||
|
|
allocate(HL_REG,IX_REG,AREG)
|
||
|
|
"call .rmi2"
|
||
|
|
erase(BC)
|
||
|
|
erase(DE) | DE | |
|
||
|
|
rmi $1 == 4 | STACK | allocate(ALL_REG)
|
||
|
|
"call .dvi4"
|
||
|
|
"pop hl"
|
||
|
|
"pop hl"
|
||
|
|
erase(HL)
|
||
|
|
| BC DE | |
|
||
|
|
rmu $1 == 2 | BC_REG_SCR DE_REG_SCR STACK |
|
||
|
|
allocate(HL_REG,IX_REG,AREG)
|
||
|
|
"call .dvu2"
|
||
|
|
erase(BC)
|
||
|
|
erase(DE) | HL | |
|
||
|
|
rmu $1 == 4 | STACK | allocate(ALL_REG)
|
||
|
|
"call .dvu4" | BC DE | |
|
||
|
|
ngi $1 == 2 | REG | allocate(HL_REG = {IMMEDIATE,0})
|
||
|
|
"or a"
|
||
|
|
"sbc hl,%[1]"
|
||
|
|
erase(HL) | HL | |
|
||
|
|
ngi $1 == 4 | DE_REG_SCR BC_REG_SCR |
|
||
|
|
allocate(HL_REG,AREG)
|
||
|
|
"xor a"
|
||
|
|
"ld h,a"
|
||
|
|
"ld l,a"
|
||
|
|
"sbc hl,de"
|
||
|
|
"ex de,hl"
|
||
|
|
"ld h,a"
|
||
|
|
"ld l,a"
|
||
|
|
"sbc hl,bc"
|
||
|
|
erase(DE) | HL DE | |
|
||
|
|
sli $1 == 2 | REG_SCR HL_REG_SCR |
|
||
|
|
"inc %[1.1]" /* see if count >> 15 */
|
||
|
|
"dec %[1.1]"
|
||
|
|
"jr z,1f"
|
||
|
|
"ld %[1.2],15"
|
||
|
|
"1:"
|
||
|
|
"dec %[1.2]"
|
||
|
|
"jp m,2f"
|
||
|
|
"add hl,hl"
|
||
|
|
"jr 1b"
|
||
|
|
"2:"
|
||
|
|
erase(%[1])
|
||
|
|
erase(HL) | HL | |
|
||
|
|
sli $1 == 4 | REG_SCR IX_REG_SCR HL_REG_SCR |
|
||
|
|
"inc %[1.1]"
|
||
|
|
"dec %[1.1]"
|
||
|
|
"jr z,1f"
|
||
|
|
"ld %[1.2],31"
|
||
|
|
"1:"
|
||
|
|
"dec %[1.2]"
|
||
|
|
"jp m,2f"
|
||
|
|
"add ix,ix"
|
||
|
|
"adc hl,hl"
|
||
|
|
"jr 1b"
|
||
|
|
"2:"
|
||
|
|
erase(%[1])
|
||
|
|
erase(HL)
|
||
|
|
erase(IX) | HL IX | |
|
||
|
|
sri $1 == 2 | GEN_REG_SCR GEN_REG_SCR |
|
||
|
|
"inc %[1.1]"
|
||
|
|
"dec %[1.1]"
|
||
|
|
"jr z,1f"
|
||
|
|
"ld %[1.2],15"
|
||
|
|
"1:"
|
||
|
|
"dec %[1.2]"
|
||
|
|
"jp m,2f"
|
||
|
|
"sra %[2.1]"
|
||
|
|
"rr %[2.2]"
|
||
|
|
"jr 1b"
|
||
|
|
"2:"
|
||
|
|
erase(%[1])
|
||
|
|
erase(%[2]) | %[2] | |
|
||
|
|
sri $1 == 4 | GEN_REG_SCR GEN_REG_SCR GEN_REG_SCR |
|
||
|
|
"inc %[1.1]"
|
||
|
|
"dec %[1.1]"
|
||
|
|
"jr z,1f"
|
||
|
|
"ld %[1.2],31"
|
||
|
|
"1:"
|
||
|
|
"dec %[1.2]"
|
||
|
|
"jp m,2f"
|
||
|
|
"sra %[3.1]"
|
||
|
|
"rr %[3.2]"
|
||
|
|
"rr %[2.1]"
|
||
|
|
"rr %[2.2]"
|
||
|
|
"jr 1b"
|
||
|
|
"2:"
|
||
|
|
erase(%[1])
|
||
|
|
erase(%[2])
|
||
|
|
erase(%[3]) | %[3] %[2] | |
|
||
|
|
mlu | | | | mli $1 |
|
||
|
|
sru $1 == 2 | GEN_REG_SCR GEN_REG_SCR |
|
||
|
|
"inc %[1.1]"
|
||
|
|
"dec %[1.1]"
|
||
|
|
"jr z,1f"
|
||
|
|
"ld %[1.2],15"
|
||
|
|
"1:"
|
||
|
|
"dec %[1.2]"
|
||
|
|
"jp m,2f"
|
||
|
|
"srl %[2.1]"
|
||
|
|
"rr %[2.2]"
|
||
|
|
"jr 1b"
|
||
|
|
"2:"
|
||
|
|
erase(%[1])
|
||
|
|
erase(%[2]) | %[2] | |
|
||
|
|
sru $1 == 4 | GEN_REG_SCR GEN_REG_SCR GEN_REG_SCR |
|
||
|
|
"inc %[1.1]"
|
||
|
|
"dec %[1.1]"
|
||
|
|
"jr z,1f"
|
||
|
|
"ld %[1.2],31"
|
||
|
|
"1:"
|
||
|
|
"dec %[1.2]"
|
||
|
|
"jp m,2f"
|
||
|
|
"srl %[3.1]"
|
||
|
|
"rr %[3.2]"
|
||
|
|
"rr %[2.1]"
|
||
|
|
"rr %[2.2]"
|
||
|
|
"jr 1b"
|
||
|
|
"2:"
|
||
|
|
erase(%[1])
|
||
|
|
erase(%[2])
|
||
|
|
erase(%[3]) | %[3] %[2] | |
|
||
|
|
adu | | | | adi $1 |
|
||
|
|
sbu | | | | sbi $1 |
|
||
|
|
slu | | | | sli $1 |
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
/* G R O U P V : F L O A T I N G P O I N T */
|
||
|
|
|
||
|
|
|
||
|
|
adf | |
|
||
|
|
"call .unimpld" | | |
|
||
|
|
sbf | |
|
||
|
|
"call .unimpld" | | |
|
||
|
|
mlf | |
|
||
|
|
"call .unimpld" | | |
|
||
|
|
dvf | |
|
||
|
|
"call .unimpld" | | |
|
||
|
|
ngf | |
|
||
|
|
"call .unimpld" | | |
|
||
|
|
fif | |
|
||
|
|
"call .unimpld" | | |
|
||
|
|
fef | |
|
||
|
|
"call .unimpld" | | |
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
/* G R O U P VI : P O I N T E R A R I T H M E T I C */
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
adp $1 == 0 | | | | |
|
||
|
|
adp $1 == 1 | ANY_REG_SCR | "inc %[1]"
|
||
|
|
erase(%[1]) | %[1] | |
|
||
|
|
adp $1 == 2 | ANY_REG_SCR | "inc %[1]"
|
||
|
|
"inc %[1]"
|
||
|
|
erase(%[1]) | %[1] | |
|
||
|
|
adp $1 == 0-1 | ANY_REG_SCR | "dec %[1]"
|
||
|
|
erase(%[1]) | %[1] | |
|
||
|
|
adp $1 == 0-2 | ANY_REG_SCR | "dec %[1]"
|
||
|
|
"dec %[1]"
|
||
|
|
erase(%[1]) | %[1] | |
|
||
|
|
adp $1 < 0-2 || $1 > 2 | HL_REG_SCR |
|
||
|
|
allocate(REG = {IMMEDIATE,$1} )
|
||
|
|
"add hl,%[a]"
|
||
|
|
erase(HL) | HL | |
|
||
|
|
... | REG |
|
||
|
|
allocate(HL_REG = {IMMEDIATE,$1} )
|
||
|
|
"add hl,%[1]"
|
||
|
|
erase(HL) | HL | |
|
||
|
|
... | LOCAL_ADDR | remove(ALL) | {LOCAL_ADDR, %[1.off]+$1} | |
|
||
|
|
ads $1 == 2 | HL_REG_SCR REG | remove(ALL) "add hl,%[2]"
|
||
|
|
erase(HL) | HL | |
|
||
|
|
... | REG HL_REG_SCR | "add hl,%[1]"
|
||
|
|
erase(HL) | HL | |
|
||
|
|
sbs $1 == 2 | REG HL_REG_SCR | "or a"
|
||
|
|
"sbc hl,%[1]"
|
||
|
|
erase(HL) | HL | |
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
/* G R O U P VII : I N C R E M E N T / D E C R E M E N T */
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
inc | ANY_REG_SCR | "inc %[1]"
|
||
|
|
erase(%[1]) | %[1] | |
|
||
|
|
|
||
|
|
/* There is no efficient way on the Z80 to increment or decrement
|
||
|
|
* a local or external. We first fetch the variable into a register,
|
||
|
|
* increment/decrement it and then store it.
|
||
|
|
*/
|
||
|
|
|
||
|
|
inl | | | | lol $1 inc stl $1 |
|
||
|
|
ine | | | | loe $1 inc ste $1 |
|
||
|
|
dec | ANY_REG_SCR | "dec %[1]"
|
||
|
|
erase(%[1]) | %[1] | |
|
||
|
|
del | | | | lol $1 dec stl $1 |
|
||
|
|
dee | | | | loe $1 dec ste $1 |
|
||
|
|
zrl ($1 >= 0-128 && $1 < 127) | |
|
||
|
|
remove(ALL)
|
||
|
|
allocate(AREG)
|
||
|
|
"xor a"
|
||
|
|
move(AA , {INDEXED,LB,$1})
|
||
|
|
move(AA , {INDEXED,LB,$1+1}) | | |
|
||
|
|
zrl ($1 < 0-128 || $1 >= 127) | |
|
||
|
|
remove(ALL)
|
||
|
|
allocate(HL_REG = {IMMEDIATE,$1} , REG, AREG)
|
||
|
|
"push iy"
|
||
|
|
"pop %[b]"
|
||
|
|
"add hl,%[b]"
|
||
|
|
"xor a"
|
||
|
|
"ld (hl),a"
|
||
|
|
"inc hl"
|
||
|
|
"ld (hl),a"
|
||
|
|
erase(HL) | | |
|
||
|
|
zre | | remove(EXTENDED,%[off] == $1)
|
||
|
|
remove(ALL)
|
||
|
|
allocate(ANY_REG = {IMMEDIATE,0} )
|
||
|
|
move(%[a] , {EXTENDED,$1}) | | |
|
||
|
|
zer $1 == 2 | | | {IMMEDIATE,0} | |
|
||
|
|
zer $1 == 4 | | | {IMMEDIATE,0} {IMMEDIATE,0} | |
|
||
|
|
zer $1 > 4 && $1 < 256 | STACK |
|
||
|
|
|
||
|
|
allocate(BC_REG , GEN_REG)
|
||
|
|
"ld b,$1"
|
||
|
|
"ld %[b],0"
|
||
|
|
"1:"
|
||
|
|
"push %[b]"
|
||
|
|
"djnz 1b"
|
||
|
|
| | |
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
/* G R O U P VIII : C O N V E R T */
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
cii | STACK | remove(ALL) allocate(ALL_REG)
|
||
|
|
"call .cii" | | |
|
||
|
|
cuu | STACK | remove(ALL) allocate(ALL_REG)
|
||
|
|
"call .cuu" | | |
|
||
|
|
cui | | | | cuu |
|
||
|
|
ciu | | | | cuu |
|
||
|
|
cfi | |
|
||
|
|
"call .unimpld" | | |
|
||
|
|
cif | |
|
||
|
|
"call .unimpld" | | |
|
||
|
|
cuf | |
|
||
|
|
"call .unimpld" | | |
|
||
|
|
cff | |
|
||
|
|
"call .unimpld" | | |
|
||
|
|
cfu | |
|
||
|
|
"call .unimpld" | | |
|
||
|
|
cmf | |
|
||
|
|
"call .unimpld" | | |
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
/* G R O U P IX : L O G I C A L */
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
and $1 == 2 | GEN_REG GEN_REG_SCR |
|
||
|
|
allocate(AREG)
|
||
|
|
"ld a,%[1.2]"
|
||
|
|
"and %[2.2]"
|
||
|
|
"ld %[2.2],a"
|
||
|
|
"ld a,%[1.1]"
|
||
|
|
"and %[2.1]"
|
||
|
|
"ld %[2.1],a"
|
||
|
|
erase(%[2]) | %[2] | |
|
||
|
|
and defined($1) && $1 > 2 | STACK |
|
||
|
|
allocate(DE_REG = {IMMEDIATE,$1},
|
||
|
|
BC_REG,HL_REG,IX_REG,AREG)
|
||
|
|
"call .and"
|
||
|
|
erase(DE) | | |
|
||
|
|
and ! defined($1) | DE_REG_SCR STACK |
|
||
|
|
allocate(BC_REG,HL_REG,IX_REG,AREG)
|
||
|
|
"call .and"
|
||
|
|
erase(DE) | | |
|
||
|
|
ior $1 == 2 | GEN_REG GEN_REG_SCR |
|
||
|
|
allocate(AREG)
|
||
|
|
"ld a,%[1.2]"
|
||
|
|
"or %[2.2]"
|
||
|
|
"ld %[2.2],a"
|
||
|
|
"ld a,%[1.1]"
|
||
|
|
"or %[2.1]"
|
||
|
|
"ld %[2.1],a"
|
||
|
|
erase(%[2]) | %[2] | |
|
||
|
|
ior defined($1) && $1 > 2 | STACK |
|
||
|
|
allocate(DE_REG = {IMMEDIATE,$1},
|
||
|
|
BC_REG,HL_REG,IX_REG,AREG)
|
||
|
|
"call .ior"
|
||
|
|
erase(DE) | | |
|
||
|
|
ior ! defined($1) | DE_REG_SCR STACK |
|
||
|
|
allocate(BC_REG,HL_REG,IX_REG,AREG)
|
||
|
|
"call .ior"
|
||
|
|
erase(DE) | | |
|
||
|
|
xor $1 == 2 | GEN_REG GEN_REG_SCR |
|
||
|
|
allocate(AREG)
|
||
|
|
"ld a,%[1.2]"
|
||
|
|
"xor %[2.2]"
|
||
|
|
"ld %[2.2],a"
|
||
|
|
"ld a,%[1.1]"
|
||
|
|
"xor %[2.1]"
|
||
|
|
"ld %[2.1],a"
|
||
|
|
erase(%[2]) | %[2] | |
|
||
|
|
xor defined($1) && $1 > 2 | STACK |
|
||
|
|
allocate(DE_REG = {IMMEDIATE,$1},
|
||
|
|
BC_REG,HL_REG,IX_REG,AREG)
|
||
|
|
"call .xor"
|
||
|
|
erase(DE) | | |
|
||
|
|
xor ! defined($1) | DE_REG_SCR STACK |
|
||
|
|
allocate(BC_REG,HL_REG,IX_REG,AREG)
|
||
|
|
"call .xor"
|
||
|
|
erase(DE) | | |
|
||
|
|
com $1 == 2 | GEN_REG_SCR | allocate(AREG)
|
||
|
|
"ld a,%[1.2]"
|
||
|
|
"cpl"
|
||
|
|
"ld %[1.2],a"
|
||
|
|
"ld a,%[1.1]"
|
||
|
|
"cpl"
|
||
|
|
"ld %[1.1],a"
|
||
|
|
erase(%[1]) | %[1] | |
|
||
|
|
com defined($1) && $1 > 2 | STACK |
|
||
|
|
allocate(AREG,
|
||
|
|
HL_REG = {IMMEDIATE,$1} )
|
||
|
|
"add hl,sp"
|
||
|
|
"1:"
|
||
|
|
"dec hl"
|
||
|
|
"ld a,(hl)"
|
||
|
|
"cpl"
|
||
|
|
"ld (hl),a"
|
||
|
|
"xor a"
|
||
|
|
"sbc hl,sp"
|
||
|
|
"jr z,2f"
|
||
|
|
"add hl,sp"
|
||
|
|
"jr 1b"
|
||
|
|
"2:"
|
||
|
|
erase(HL) | | |
|
||
|
|
com ! defined($1) | HL_REG_SCR STACK |
|
||
|
|
allocate(AREG)
|
||
|
|
"add hl,sp"
|
||
|
|
"1:"
|
||
|
|
"dec hl"
|
||
|
|
"ld a,(hl)"
|
||
|
|
"cpl"
|
||
|
|
"ld (hl),a"
|
||
|
|
"xor a"
|
||
|
|
"sbc hl,sp"
|
||
|
|
"jr z,2f"
|
||
|
|
"add hl,sp"
|
||
|
|
"jr 1b"
|
||
|
|
"2:"
|
||
|
|
erase(HL) | | |
|
||
|
|
rol $1 == 2 | REG_SCR HL_REG_SCR |
|
||
|
|
allocate(AREG)
|
||
|
|
"ld a,%[1.2]"
|
||
|
|
"and 15"
|
||
|
|
"jr z,2f"
|
||
|
|
"ld %[1],0"
|
||
|
|
"1:"
|
||
|
|
"add hl,hl"
|
||
|
|
"adc hl,%[1]"
|
||
|
|
"dec a"
|
||
|
|
"jr nz,1b"
|
||
|
|
"2:"
|
||
|
|
erase(%[1])
|
||
|
|
erase(%[2]) | HL | |
|
||
|
|
rol $1 == 4 | REG IX_REG_SCR HL_REG_SCR |
|
||
|
|
allocate(AREG)
|
||
|
|
"ld a,%[1.2]"
|
||
|
|
"and 31"
|
||
|
|
"jr z,3f"
|
||
|
|
"1:"
|
||
|
|
"add ix,ix"
|
||
|
|
"adc hl,hl"
|
||
|
|
"jr nc,2f"
|
||
|
|
"inc ix"
|
||
|
|
"2:"
|
||
|
|
"dec a"
|
||
|
|
"jr nz,1b"
|
||
|
|
"3:"
|
||
|
|
erase(HL)
|
||
|
|
erase(IX) | HL IX | |
|
||
|
|
ror $1 == 2 | GEN_REG_SCR GEN_REG_SCR |
|
||
|
|
allocate(AREG)
|
||
|
|
"ld a,%[1.2]"
|
||
|
|
"and 15"
|
||
|
|
"jr z,0f"
|
||
|
|
"1:"
|
||
|
|
"srl %[2.1]"
|
||
|
|
"rr %[2.2]"
|
||
|
|
"jr nc,2f"
|
||
|
|
"set 7,%[2.1]"
|
||
|
|
"2:"
|
||
|
|
"dec a"
|
||
|
|
"jr nz,1b"
|
||
|
|
"0:"
|
||
|
|
erase(%[1])
|
||
|
|
erase(%[2]) | %[2] | |
|
||
|
|
ror $1 == 4 | GEN_REG_SCR GEN_REG_SCR GEN_REG_SCR |
|
||
|
|
allocate(AREG)
|
||
|
|
"ld a,%[1.2]"
|
||
|
|
"and 31"
|
||
|
|
"jr z,0f"
|
||
|
|
"1:"
|
||
|
|
"srl %[3.1]"
|
||
|
|
"rr %[3.2]"
|
||
|
|
"rr %[2.1]"
|
||
|
|
"rr %[2.2]"
|
||
|
|
"jr nc,2f"
|
||
|
|
"set 7,%[3.1]"
|
||
|
|
"2:"
|
||
|
|
"dec a"
|
||
|
|
"jr nz,1b"
|
||
|
|
"0:"
|
||
|
|
erase(%[1])
|
||
|
|
erase(%[2])
|
||
|
|
erase(%[3]) | %[3] %[2] | |
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
/* G R O U P X : S E T S */
|
||
|
|
|
||
|
|
|
||
|
|
inn defined($1) | STACK | allocate(HL_REG = {IMMEDIATE,$1},
|
||
|
|
BC_REG,DE_REG,IX_REG,AREG)
|
||
|
|
"call .inn"
|
||
|
|
erase(HL) | | |
|
||
|
|
inn !defined($1) | HL_REG_SCR STACK |
|
||
|
|
allocate(BC_REG,DE_REG,IX_REG,AREG)
|
||
|
|
"call .inn"
|
||
|
|
erase(HL) | | |
|
||
|
|
set defined($1) | STACK | allocate(HL_REG = {IMMEDIATE,$1},
|
||
|
|
BC_REG,DE_REG,IX_REG,AREG)
|
||
|
|
"call .set"
|
||
|
|
erase(HL) | | |
|
||
|
|
set !defined($1) | HL_REG_SCR STACK |
|
||
|
|
allocate(BC_REG,DE_REG,IX_REG,AREG)
|
||
|
|
"call .set"
|
||
|
|
erase(HL) | | |
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
/* G R O U P XI : A R R A Y S */
|
||
|
|
|
||
|
|
|
||
|
|
lae aar $2 == 2 && rom(1,3) == 2 | STACK |
|
||
|
|
allocate(ALL_REG)
|
||
|
|
move({EXTENDED_ADDR,$1},BC)
|
||
|
|
"push bc"
|
||
|
|
"call .aar2" | | |
|
||
|
|
lae aar $2 == 2 && rom(1,3) != 2 | STACK |
|
||
|
|
allocate(ALL_REG)
|
||
|
|
move({EXTENDED_ADDR,$1},BC)
|
||
|
|
"push bc"
|
||
|
|
"call .aar" | | |
|
||
|
|
aar $1==2 | |
|
||
|
|
remove(ALL)
|
||
|
|
allocate(ALL_REG)
|
||
|
|
"call .aar"
|
||
|
|
| | |
|
||
|
|
aar !defined($1) | | remove(ALL)
|
||
|
|
allocate(ALL_REG)
|
||
|
|
"call .aaru" | | |
|
||
|
|
lae lar $2 == 2 && rom(1,3) == 2 | STACK |
|
||
|
|
remove(ALL) allocate(ALL_REG)
|
||
|
|
move({EXTENDED_ADDR,$1},BC)
|
||
|
|
"push bc"
|
||
|
|
"call .lar2" | | |
|
||
|
|
lae lar $2 == 2 && rom(1,3) != 2 | STACK |
|
||
|
|
remove(ALL) allocate(ALL_REG)
|
||
|
|
move({EXTENDED_ADDR,$1},BC)
|
||
|
|
"push bc"
|
||
|
|
"call .lar" | | |
|
||
|
|
lar $1==2 | | remove(ALL)
|
||
|
|
allocate(ALL_REG)
|
||
|
|
"call .lar" | | |
|
||
|
|
lar !defined($1) | | remove(ALL)
|
||
|
|
allocate(ALL_REG)
|
||
|
|
"call .laru" | | |
|
||
|
|
lae sar $2 == 2 && rom(1,3) == 2 | STACK |
|
||
|
|
remove(ALL) allocate(ALL_REG)
|
||
|
|
move({EXTENDED_ADDR, $1},BC)
|
||
|
|
"push bc"
|
||
|
|
"call .sar2" | | |
|
||
|
|
lae sar $2 == 2 && rom(1,3) != 2 | STACK |
|
||
|
|
remove(ALL) allocate(ALL_REG)
|
||
|
|
move({EXTENDED_ADDR, $1},BC)
|
||
|
|
"push bc"
|
||
|
|
"call .sar" | | |
|
||
|
|
sar $1==2 | | remove(ALL)
|
||
|
|
allocate(ALL_REG)
|
||
|
|
"call .sar" | | |
|
||
|
|
sar !defined($1) | | remove(ALL)
|
||
|
|
allocate(ALL_REG)
|
||
|
|
"call .saru" | | |
|
||
|
|
|
||
|
|
|
||
|
|
/* G R O U P XII : C O M P A R E */
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
cmi $1 == 2 | REG_SCR HL_REG_SCR |
|
||
|
|
remove(ALL) allocate(AREG)
|
||
|
|
"ld a,h"
|
||
|
|
"xor %[1.1]"
|
||
|
|
"jp m,1f"
|
||
|
|
"sbc hl,%[1]"
|
||
|
|
"jr 2f"
|
||
|
|
"1:"
|
||
|
|
"xor %[1.1]"
|
||
|
|
"jp m,2f"
|
||
|
|
"set 0,l"
|
||
|
|
"2:"
|
||
|
|
erase(%[1])
|
||
|
|
erase(%[2]) | HL | |
|
||
|
|
cmi $1 == 4 | STACK | remove(ALL) allocate(AREG = {IMMEDIATE1,1},
|
||
|
|
BC_REG,DE_REG,HL_REG,IX_REG)
|
||
|
|
"call .cmu4"
|
||
|
|
erase(AA) | DE | |
|
||
|
|
cmu $1 == 2 | REG_SCR HL_REG_SCR |
|
||
|
|
remove(ALL) allocate(AREG)
|
||
|
|
"ld a,h"
|
||
|
|
"xor %[1.1]" /* resets carry bit */
|
||
|
|
"jp m,1f"
|
||
|
|
"sbc hl,%[1]"
|
||
|
|
"jr 2f"
|
||
|
|
"1:"
|
||
|
|
"xor %[1.1]"
|
||
|
|
"cpl"
|
||
|
|
"set 0,l"
|
||
|
|
"2:"
|
||
|
|
erase(%[1])
|
||
|
|
erase(%[2]) | HL | |
|
||
|
|
cmu $1 == 4 | STACK | remove(ALL) allocate(AREG = {IMMEDIATE1,0},
|
||
|
|
BC_REG,DE_REG,HL_REG,IX_REG)
|
||
|
|
"call .cmu4"
|
||
|
|
erase(AA) | DE | |
|
||
|
|
cmp | | | | cmu 2 |
|
||
|
|
cms $1 == 2 | GEN_REG GEN_REG_SCR |
|
||
|
|
remove(ALL) allocate(AREG)
|
||
|
|
"ld a,%[1.1]"
|
||
|
|
"xor %[2.1]"
|
||
|
|
"ld %[2.1],a"
|
||
|
|
"ld a,%[1.2]"
|
||
|
|
"xor %[2.2]"
|
||
|
|
"ld %[2.2],a" | %[2] | |
|
||
|
|
/***
|
||
|
|
cmu defined($1) | STACK | allocate(HL_REG = {IMMEDIATE,$1},
|
||
|
|
BC_REG,DE_REG,IX_REG,AREG)
|
||
|
|
"call .cmu"
|
||
|
|
erase(HL) | | |
|
||
|
|
cmu ! defined($1) | HL_REG_SCR STACK |
|
||
|
|
allocate(BC_REG,DE_REG,IX_REG,AREG)
|
||
|
|
"call .cmu"
|
||
|
|
erase(HL) | | |
|
||
|
|
*/
|
||
|
|
cms defined($1) | STACK | remove(ALL) allocate(HL_REG = {IMMEDIATE,$1},
|
||
|
|
BC_REG,DE_REG,IX_REG,AREG)
|
||
|
|
"call .cms"
|
||
|
|
erase(HL) | | |
|
||
|
|
cms ! defined($1) | HL_REG_SCR STACK |
|
||
|
|
allocate(BC_REG,DE_REG,IX_REG,AREG)
|
||
|
|
"call .cms"
|
||
|
|
erase(HL) | | |
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
tlt | GEN_REG | remove(ALL)
|
||
|
|
allocate(GEN_REG = {IMMEDIATE,0})
|
||
|
|
"bit 7,%[1.1]"
|
||
|
|
"jr z,1f"
|
||
|
|
"inc %[a.2]"
|
||
|
|
"1:"
|
||
|
|
erase(%[a]) | %[a] | |
|
||
|
|
tle | GEN_REG | remove(ALL)
|
||
|
|
allocate(AREG, GEN_REG = {IMMEDIATE,1})
|
||
|
|
"xor a"
|
||
|
|
"add a,%[1.1]"
|
||
|
|
"jp m,2f"
|
||
|
|
"jr nz,1f"
|
||
|
|
"xor a"
|
||
|
|
"add a,%[1.2]"
|
||
|
|
"jr z,2f"
|
||
|
|
"1:"
|
||
|
|
"dec %[b.2]"
|
||
|
|
"2:"
|
||
|
|
erase(%[b]) | %[b] | |
|
||
|
|
teq | GEN_REG | remove(ALL)
|
||
|
|
allocate(AREG,GEN_REG = {IMMEDIATE,0})
|
||
|
|
"ld a,%[1.1]"
|
||
|
|
"or a"
|
||
|
|
"jp m,1f"
|
||
|
|
"xor %[1.2]"
|
||
|
|
"jr nz,1f"
|
||
|
|
"inc %[b.2]"
|
||
|
|
"1:"
|
||
|
|
erase(%[b]) | %[b] | |
|
||
|
|
tne | GEN_REG | remove(ALL)
|
||
|
|
allocate(AREG, GEN_REG = {IMMEDIATE,0})
|
||
|
|
"ld a,%[1.1]"
|
||
|
|
"or %[1.2]"
|
||
|
|
"jr z,1f"
|
||
|
|
"inc %[b.2]"
|
||
|
|
"1:"
|
||
|
|
erase(%[b]) | %[b] | |
|
||
|
|
tge | GEN_REG | remove(ALL)
|
||
|
|
allocate(GEN_REG = {IMMEDIATE,0})
|
||
|
|
"bit 7,%[1.1]"
|
||
|
|
"jr nz,1f"
|
||
|
|
"inc %[a.2]"
|
||
|
|
"1:"
|
||
|
|
erase(%[a]) | %[a] | |
|
||
|
|
tgt | GEN_REG | remove(ALL)
|
||
|
|
allocate(AREG, GEN_REG = {IMMEDIATE,0})
|
||
|
|
"xor a"
|
||
|
|
"add a,%[1.1]"
|
||
|
|
"jp m,2f"
|
||
|
|
"jr nz,1f"
|
||
|
|
"xor a"
|
||
|
|
"add a,%[1.2]"
|
||
|
|
"jr z,2f"
|
||
|
|
"1:"
|
||
|
|
"inc %[b.2]"
|
||
|
|
"2:"
|
||
|
|
erase(%[b]) | %[b] | |
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
/* G R O U P XIII : B R A N C H */
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
bra | | remove(ALL)
|
||
|
|
"jp $1" | | |
|
||
|
|
blt | GEN_REG GEN_REG | remove(ALL) allocate(AREG)
|
||
|
|
"ld a,%[2.2]"
|
||
|
|
"sub %[1.2]"
|
||
|
|
"ld a,%[2.1]"
|
||
|
|
"sbc a,%[1.1]"
|
||
|
|
"jp m,$1" | | |
|
||
|
|
ble | GEN_REG GEN_REG | remove(ALL) allocate(AREG)
|
||
|
|
"ld a,%[2.2]"
|
||
|
|
"sub %[1.2]"
|
||
|
|
"ld a,%[2.1]"
|
||
|
|
"sbc a,%[1.1]"
|
||
|
|
"jp m,$1"
|
||
|
|
"jr nz,1f"
|
||
|
|
"ld a,%[2.2]"
|
||
|
|
"cp %[1.2]"
|
||
|
|
"jr z,$1"
|
||
|
|
"1:" | | |
|
||
|
|
beq | GEN_REG GEN_REG | remove(ALL) allocate(AREG)
|
||
|
|
"ld a,%[2.2]"
|
||
|
|
"sub %[1.2]"
|
||
|
|
"jr nz,1f"
|
||
|
|
"ld a,%[2.1]"
|
||
|
|
"sbc a,%[1.1]"
|
||
|
|
"jr z,$1"
|
||
|
|
"1:" | | |
|
||
|
|
bne | GEN_REG GEN_REG | remove(ALL) allocate(AREG)
|
||
|
|
"ld a,%[2.2]"
|
||
|
|
"sub %[1.2]"
|
||
|
|
"jr nz,$1"
|
||
|
|
"ld a,%[2.1]"
|
||
|
|
"sbc a,%[1.1]"
|
||
|
|
"jr nz,$1"
|
||
|
|
erase(AA) | | |
|
||
|
|
|
||
|
|
bge | GEN_REG GEN_REG | remove(ALL) allocate(AREG)
|
||
|
|
"ld a,%[2.2]"
|
||
|
|
"sub %[1.2]"
|
||
|
|
"ld a,%[2.1]"
|
||
|
|
"sbc a,%[1.1]"
|
||
|
|
"jp p,$1" | | |
|
||
|
|
bgt | GEN_REG GEN_REG_SCR | remove(ALL) allocate(AREG)
|
||
|
|
"ld a,%[2.2]"
|
||
|
|
"sub %[1.2]"
|
||
|
|
"ld %[2.2],a"
|
||
|
|
"ld a,%[2.1]"
|
||
|
|
"sbc a,%[1.1]"
|
||
|
|
"jp m,1f"
|
||
|
|
"jr nz,$1"
|
||
|
|
"xor a"
|
||
|
|
"cp %[2.2]"
|
||
|
|
"jr nz,$1"
|
||
|
|
"1:"
|
||
|
|
erase(%[2]) | | |
|
||
|
|
zlt | GEN_REG | remove(ALL) "bit 7,%[1.1]"
|
||
|
|
"jr nz,$1" | | |
|
||
|
|
zle | GEN_REG | remove(ALL) allocate(AREG)
|
||
|
|
"xor a"
|
||
|
|
"add a,%[1.1]"
|
||
|
|
"jp m,$1"
|
||
|
|
"jr nz,1f"
|
||
|
|
"xor a"
|
||
|
|
"add a,%[1.2]"
|
||
|
|
"jr z,$1"
|
||
|
|
"1:" | | |
|
||
|
|
zeq | GEN_REG | remove(ALL) allocate(AREG)
|
||
|
|
"ld a,%[1.1]"
|
||
|
|
"xor %[1.2]"
|
||
|
|
"jr z,$1" | | |
|
||
|
|
zne | GEN_REG | remove(ALL) allocate(AREG)
|
||
|
|
"ld a,%[1.1]"
|
||
|
|
"xor %[1.2]"
|
||
|
|
"jr nz,$1" | | |
|
||
|
|
zge | GEN_REG | remove(ALL) "bit 7,%[1.1]"
|
||
|
|
"jr z,$1" | | |
|
||
|
|
zgt | GEN_REG | remove(ALL) allocate(AREG)
|
||
|
|
"xor a"
|
||
|
|
"add a,%[1.1]"
|
||
|
|
"jp m,1f"
|
||
|
|
"jr nz,$1"
|
||
|
|
"xor a"
|
||
|
|
"add a,%[1.2]"
|
||
|
|
"jr nz,$1"
|
||
|
|
"1:" | | |
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
/* G R O U P XIV : P R O C E D U R E C A L L S */
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
cai | HL_REG | remove(ALL)
|
||
|
|
allocate( GEN_REG )
|
||
|
|
"ld %[a],1f"
|
||
|
|
"push %[a]"
|
||
|
|
"jp (hl)"
|
||
|
|
"1:"
|
||
|
|
| | |
|
||
|
|
cal | | remove(ALL)
|
||
|
|
allocate(ALL_REG)
|
||
|
|
"call $1"
|
||
|
|
| | |
|
||
|
|
lfr $1 == 2 | | remove(ALL)
|
||
|
|
"push de"
|
||
|
|
| | |
|
||
|
|
lfr $1 == 4 | STACK | "push de"
|
||
|
|
"push bc" | | |
|
||
|
|
lfr | | remove(ALL)
|
||
|
|
"call .lfr"
|
||
|
|
| | |
|
||
|
|
ret $1 == 0 | STACK |
|
||
|
|
remove(ALL)
|
||
|
|
allocate(HL_REG,LOCALBASE)
|
||
|
|
"push iy"
|
||
|
|
"pop hl"
|
||
|
|
"ld sp,hl"
|
||
|
|
"pop iy"
|
||
|
|
"ret" | | |
|
||
|
|
ret $1 == 2 | STACK | remove(ALL)
|
||
|
|
allocate(HL_REG,DE_REG,LOCALBASE)
|
||
|
|
"pop de"
|
||
|
|
"push iy"
|
||
|
|
"pop hl"
|
||
|
|
"ld sp,hl"
|
||
|
|
"pop iy"
|
||
|
|
"ret" | | |
|
||
|
|
ret $1 == 4 | STACK |
|
||
|
|
remove(ALL)
|
||
|
|
allocate(BC_REG, DE_REG, HL_REG, LOCALBASE)
|
||
|
|
"pop bc"
|
||
|
|
"pop de"
|
||
|
|
"push iy"
|
||
|
|
"pop hl"
|
||
|
|
"ld sp,hl"
|
||
|
|
"pop iy"
|
||
|
|
"ret" | | |
|
||
|
|
ret | | remove(ALL)
|
||
|
|
move({IMMEDIATE,$1},BC)
|
||
|
|
"call .ret"
|
||
|
|
erase(BC) | | |
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
/* G R O U P XV : M I S C E L L A N E O U S */
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
asp $1 == 0 | | | | |
|
||
|
|
asp $1 > 0 | STACK | remove(ALL) allocate(HL_REG)
|
||
|
|
move({IMMEDIATE,$1} , HL)
|
||
|
|
"add hl,sp"
|
||
|
|
"ld sp,hl"
|
||
|
|
erase(HL) | | |
|
||
|
|
ass $1 == 2 | HL_REG_SCR STACK |
|
||
|
|
remove(ALL)
|
||
|
|
"add hl,sp"
|
||
|
|
"ld sp,hl"
|
||
|
|
erase(HL) | | |
|
||
|
|
blm $1 == 0 | | | | |
|
||
|
|
blm $1 > 0 |DE_REG_SCR HL_REG_SCR |
|
||
|
|
|
||
|
|
allocate(BC_REG = {IMMEDIATE,$1} )
|
||
|
|
"ldir"
|
||
|
|
erase(HL)
|
||
|
|
erase(BC)
|
||
|
|
erase(DE) | | |
|
||
|
|
bls $1 == 2 | BC_REG_SCR DE_REG_SCR HL_REG_SCR |
|
||
|
|
remove(MEM_ALL)
|
||
|
|
"ldir"
|
||
|
|
erase(HL)
|
||
|
|
erase(BC)
|
||
|
|
erase(DE) | | |
|
||
|
|
csa $1 == 2 | STACK | allocate(ALL_REG)
|
||
|
|
"jr .csa" | | |
|
||
|
|
csb $1 == 2 | STACK | allocate(ALL_REG)
|
||
|
|
"jr .csb" | | |
|
||
|
|
dus $1 == 2 | BC_REG_SCR | remove(MEM_ALL) allocate(HL_REG,DE_REG)
|
||
|
|
move({IMMEDIATE,0} , HL)
|
||
|
|
"add hl,sp"
|
||
|
|
"ld d,h"
|
||
|
|
"ld e,l" /* destination */
|
||
|
|
"sbc hl,bc" /* source */
|
||
|
|
"ld sp,hl"
|
||
|
|
"ex de,hl"
|
||
|
|
"ldir"
|
||
|
|
erase(HL)
|
||
|
|
erase(BC) | | |
|
||
|
|
dup $1 == 2 | ANY | | %[1] %[1] | |
|
||
|
|
dup $1 == 4 | ANY ANY | | %[2] %[1] %[2] %[1] | |
|
||
|
|
dup $1 == 6 | ANY ANY ANY | | %[3] %[2] %[1] %[3] %[2] %[1] | |
|
||
|
|
dup $1 > 6 | STACK | allocate(HL_REG,BC_REG,DE_REG)
|
||
|
|
move({IMMEDIATE,0} , HL)
|
||
|
|
"add hl,sp"
|
||
|
|
"ld d,h"
|
||
|
|
"ld e,l" /* destination */
|
||
|
|
move ({IMMEDIATE,$1},BC) /* count */
|
||
|
|
"sbc hl,bc" /* source */
|
||
|
|
"ld sp,hl"
|
||
|
|
"ex de,hl"
|
||
|
|
"ldir"
|
||
|
|
erase(HL)
|
||
|
|
erase(BC) | | |
|
||
|
|
lor $1 == 0 | | "push iy" | | |
|
||
|
|
fil | | allocate(HL_REG)
|
||
|
|
move({EXTENDED_ADDR,$1},HL)
|
||
|
|
"ld (hol0+4),hl"
|
||
|
|
erase(HL) | | |
|
||
|
|
lor $1 == 1 | STACK | allocate(HL_REG)
|
||
|
|
move({IMMEDIATE,0} , HL)
|
||
|
|
"add hl,sp"
|
||
|
|
erase(HL) | HL | |
|
||
|
|
lor $1 == 2 | STACK | | {EXTENDED,".reghp"} | |
|
||
|
|
exg $1 == 2 | ANY ANY | | %[1] %[2] | |
|
||
|
|
exg | STACK | remove(MEM_ALL)
|
||
|
|
allocate(HL_REG)
|
||
|
|
move({IMMEDIATE,$1},HL)
|
||
|
|
"push hl"
|
||
|
|
"call .exg" | | |
|
||
|
|
gto | | remove(ALL)
|
||
|
|
allocate(ALL_REG)
|
||
|
|
move({EXTENDED_ADDR,$1},HL)
|
||
|
|
"call .gto"
|
||
|
|
| | |
|
||
|
|
lim | | | {EXTENDED,"(ignmask)"} | |
|
||
|
|
lin | | remove(ALL) allocate(HL_REG)
|
||
|
|
move({IMMEDIATE,$1},HL)
|
||
|
|
"ld (hol0),hl"
|
||
|
|
erase(HL) | | |
|
||
|
|
lni | | allocate(HL_REG)
|
||
|
|
"ld hl,hol0"
|
||
|
|
"inc (hl)"
|
||
|
|
erase(HL) | | |
|
||
|
|
lpb | | | | adp 4 |
|
||
|
|
nop | | allocate(ALL_REG)
|
||
|
|
"call .nop" | | |
|
||
|
|
rck $1 == 2 | STACK | allocate(ALL_REG)
|
||
|
|
"call .rck"
|
||
|
|
| | |
|
||
|
|
rtt | | | | ret 0|
|
||
|
|
sig | HL_REG_SCR |
|
||
|
|
|
||
|
|
"ld (trapproc),hl"
|
||
|
|
"ld hl,trapproc"
|
||
|
|
| HL | |
|
||
|
|
sim | HL_REG | remove(MEM_ALL)
|
||
|
|
"pop hl"
|
||
|
|
"ld (ignmask),hl" | | |
|
||
|
|
str $1 == 0 | IMMEDIATE STACK | move({IMMEDIATE,%[1.off]} , LB) | | |
|
||
|
|
str $1 == 1 | STACK | allocate(HL_REG)
|
||
|
|
"pop hl"
|
||
|
|
"ld sp,hl" | | |
|
||
|
|
str $1 == 2 | STACK | allocate(ALL_REG)
|
||
|
|
"call .strhp"
|
||
|
|
| | |
|
||
|
|
trp| | remove(ALL)
|
||
|
|
allocate(ALL_REG)
|
||
|
|
"call .trp.z" | | |
|
||
|
|
mon | | remove(MEM_ALL)
|
||
|
|
"call .mon" | | |
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
/* C O E R C I O N S */
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
/* from 4 bytes to 2 */
|
||
|
|
|
||
|
|
|
||
|
|
/* to a register */
|
||
|
|
| ANYTOK | allocate(ANY_REG)
|
||
|
|
move(%[1],%[a]) | %[a] | |
|
||
|
|
|
||
|
|
| STACK | allocate(ANY_REG)
|
||
|
|
"pop %[a]" | %[a] | |
|
||
|
|
| LOCAL_ADDR | allocate(ANY_REG)
|
||
|
|
move(LB,%[a])
|
||
|
|
"add %[a],%[1]"
|
||
|
|
| %[a] | |
|
||
|
|
|
||
|
|
|
||
|
|
/* between registers */
|
||
|
|
|
||
|
|
| GEN_REG | allocate(GEN_REG)
|
||
|
|
"ld %[a.1],%[1.1]"
|
||
|
|
"ld %[a.2],%[1.2]" | %[a] | |
|
||
|
|
| LOCALBASE | allocate(ANY_REG)
|
||
|
|
"push iy"
|
||
|
|
"pop %[a]" | %[a] | |
|
||
|
|
|
||
|
|
|
||
|
|
/***********
|
||
|
|
** MOVES **
|
||
|
|
***********/
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
MOVES:
|
||
|
|
(ANY,ANY,"ld %[2],%[1]")
|
||
|
|
(ANY1,ANY1,"ld %[2],%[1]")
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
/************
|
||
|
|
* STACKS *
|
||
|
|
************/
|
||
|
|
|
||
|
|
|
||
|
|
STACKS:
|
||
|
|
|
||
|
|
(ANY_REG, , "push %[1]" )
|
||
|
|
(MEM_ALL, ANY_REG, move(%[1],%[a])
|
||
|
|
"push %[a]" )
|
||
|
|
(MEM_ALL, , "push hl"
|
||
|
|
move(%[1],HL)
|
||
|
|
"ex (sp),hl" )
|