336 lines
5.2 KiB
Text
336 lines
5.2 KiB
Text
.sect .text
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.sect .rom
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.sect .data
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.sect .bss
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.sect .text
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!-----------------------------------------------------------------------------.
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! ARRAY GROUP
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!-------------------------------------------------------------------------------
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!subroutine
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calcarr: move.l (sp)+,d3 !save return address
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move.l (sp)+,a0 !address of array describtor
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mov (sp)+,d0 !index
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subt (a0)+,d0 !relative address
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blt 9f
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comp (a0)+,d0 !check upper bound
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bgt 9f
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move.l #0,d1
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mov (a0),d1
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mulu d1,d0 !objectsize in d1
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move.l (sp)+,a0
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ad d0,a0 !a0 address of array element
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move.l d3,-(sp)
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rts
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9: bsr e_array ;tst.l (sp)+ ; jmp (a4)
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aar_1W: bsr calcarr ; move.l a0,-(sp)
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jmp (a4)
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aar_l: adroff ; cmp.w wrd,(a5)
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0: bne e_illins ; bra aar_1W
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aar_z: comp wrd,(sp)+ ; bra 0b
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lar_1W: bsr calcarr ; add.l d1,a0
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asr.w #1,d1 ; bcc 5f
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clr.l d1 ; move.b -(a0),d1
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mov d1,-(sp); jmp (a4)
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5:
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#ifdef lword
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asr.w #1,d1 ; bcc 6f
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move.w -(a0),d1; move.l d1,-(sp)
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jmp (a4)
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#endif
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6: sub.l #1,d1
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7: mov -(a0),-(sp); dbra d1,7b
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jmp (a4)
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lar_l: adroff ; cmp.w wrd,(a5)
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8: bne e_illins; bra lar_1W
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lar_z: comp wrd,(sp)+ ; bra 8b
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sar_1W: bsr calcarr ; asr.w #1,d1
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bcc 5f ; testen (sp)+
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move.b -1(sp),(a0); jmp (a4)
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5:
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#ifdef lword
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asr.w #1,d1 ; bcc 6f
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tst.w (sp)+ ; move.w (sp)+,(a0)
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jmp (a4)
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#endif
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6: sub.l #1,d1
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7: mov (sp)+,(a0)+ ; dbra d1,7b
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jmp (a4)
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sar_z: comp wrd,(sp)+ ; bra 1f
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sar_l: adroff ; cmp.w wrd,(a5)
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1: bne e_illins ; bra sar_1W
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!-------------------------------------------------------------------------
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! CONVERT GROUP
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!-------------------------------------------------------------------------w
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cii_z: mov (sp)+,d0 ; mov (sp)+,d1 ; !d0 destination size
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!d1 source size
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#if test
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cmp.w wrd,d1 ; bne 0f
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comp und,(sp) ; bne 0f
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bsr e_iund
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#endif
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0: cmp.w d0,d1 ; bne 1f ; jmp (a4)
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1: bge 6f ; mov (sp)+,d2
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cmp.w #1,d1 ; bne 3f !d1<d0
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ext.w d2
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#ifndef lword
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cmp.w #2,d0 ; bne 3f
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move.w d2,-(sp); jmp (a4)
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#endif
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3: ext.l d2 ; move.l d2,-(sp); jmp (a4)
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6:
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#ifdef lword
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bsr e_conv ; add.l #4,sp
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#else
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move.w (sp)+,d2
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#if test
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bne 7f ; tst.w (sp) ; bge 9f
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8: bsr e_conv ; jmp (a4)
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7: comp #-1,d2 ; bne 8b
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tst.w (sp) ; bge 8b
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#endif
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#endif
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9: jmp (a4)
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cui_z: mov (sp)+,d0 ; mov (sp)+,d1
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sub.w d1,d0 ; bne 2f
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#if test
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testen (sp) ; bpl 1f
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0: bsr e_conv
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#endif
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1: jmp (a4)
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2:
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#ifdef lword
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sub.l d0,sp ; bsr e_conv
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#else
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bgt 3f ; cmp.w #-2,d0 ; beq 5f
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bsr e_conv
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#if test
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tst.w (sp) ; bne 0b
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tst.w 2(sp) ; bmi 0b
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#endif
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5: sub.l #-2,sp ; jmp (a4)
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3: cmp.w #2,d0 ; beq 4f
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bsr e_conv
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4: clr.w -(sp)
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#endif
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jmp (a4)
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ciu_z: mov (sp)+,d0 ; mov (sp)+,d1
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#if test
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cmp.w wrd,d1 ; bne 0f
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comp und,(sp) ; bne 0f
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bsr e_iund
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#endif
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0: sub.w d1,d0 ; bne 1f
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jmp (a4)
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#ifndef lword
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1: bgt 4f ; cmp.w #-2,d0
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beq 5f ; bsr e_conv
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5:
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6: add.l #2,sp ; jmp (a4)
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#endif
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4: 1: bclr #0,d0 ; beq 2f
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#ifdef lword
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clr.b 2(sp)
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#else
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clr.b (sp)
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#endif
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2: bclr #1,d0 ; beq 3f
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#ifdef lword
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clr.w (sp)
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#else
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clr.w -(sp)
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#endif
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3: jmp (a4)
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cuu_z: mov (sp)+,d0 ; mov (sp)+,d1
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sub.w d1,d0 ; bne 1f
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jmp (a4)
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1:
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#ifdef lword
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bsr e_conv ; sub.l d0,sp
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#else
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blt 3f
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#if test
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cmp.w #2,d0 ; beq 2f
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bsr e_conv
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#endif
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2: clr.w -(sp) ; jmp (a4)
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3:
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#if test
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cmp.w #-2,d0 ; beq 4f
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bsr e_conv
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#endif
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4: tst.w (sp)+
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#if test
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beq 5f ; bsr e_conv
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#endif
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#endif
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5: jmp (a4)
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!--------------------------------------------------------------------------
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#ifdef FLTRAP
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cuf_z: cfu_z: cff_z: cfi_z: cif_z:
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mov (sp)+,d0 ; subt (sp)+,d0
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ext.l d0
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sub.l d0,sp
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bra flnim !floating point not implemented
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#else
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cfu_z:
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clr.l d0
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mov (sp)+,d0
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clr.l d1
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mov (sp)+,d1
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move.l d1,-(sp)
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move.l d0,-(sp)
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checksize
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2:
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move.l #4,(sp)
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cmp #4,d1
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bne 1f
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jsr .cfu
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add #8,sp
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2:
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mov #4,-(sp)
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mov #2,-(sp)
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bra cuu_z
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1:
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cmp #8,d1
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beq 1f
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bra e_oddz
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1:
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jsr .cfu
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add #12,sp
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bra 2b
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4:
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mov d1,d0
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checkfsize
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4:
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jsr .cfu
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add #8,sp
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jmp (a4)
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8:
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jsr .cfu
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add #12,sp
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jmp (a4)
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cfi_z:
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clr.l d0
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mov (sp)+,d0
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clr.l d1
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mov (sp)+,d1
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move.l d1,-(sp)
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move.l d0,-(sp)
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checksize
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2:
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move.l #4,(sp)
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cmp #4,d1
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bne 1f
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jsr .cfi
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add #8,sp
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2:
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mov #4,-(sp)
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mov #2,-(sp)
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bra cii_z
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1:
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cmp #8,d1
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beq 1f
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bra e_oddz
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1:
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jsr .cfi
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add #12,sp
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bra 2b
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4:
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mov d1,d0
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checkfsize
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4:
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jsr .cfi
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add #8,sp
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jmp (a4)
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8:
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jsr .cfi
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add #12,sp
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jmp (a4)
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cuf_z:
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mov (sp)+,d0
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checkfsize
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4:
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mov (sp)+,d0
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checksize
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2:
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clr.l d0
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move.w (sp)+,d0
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move.l d0,-(sp)
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4:
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move.l #4,-(sp)
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jsr .cuf4
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add #4,sp
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jmp (a4)
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8:
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mov (sp)+,d0
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checksize
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2:
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clr.l d0
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move.w (sp)+,d0
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move.l d0,-(sp)
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4:
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move.l #4,-(sp)
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jsr .cuf8
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jmp (a4)
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cif_z:
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mov (sp)+,d0
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checkfsize
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4:
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mov (sp)+,d0
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checksize
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2:
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move.w (sp)+,d0
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ext.l d0
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move.l d0,-(sp)
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4:
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move.l #4,-(sp)
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jsr .cif4
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add #4,sp
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jmp (a4)
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8:
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mov (sp)+,d0
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checksize
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2:
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move.w (sp)+,d0
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ext.l d0
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move.l d0,-(sp)
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4:
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move.l #4,-(sp)
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jsr .cif8
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jmp (a4)
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cff_z:
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mov (sp)+,d0 ;
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checkfsize
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4:
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mov (sp)+,d0 ; cmp #4,d0 ; beq 1f
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cmp #8,d0 ; beq 2f
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bra e_oddz
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2:
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jsr .cff4
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add #4,sp
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1:
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jmp (a4)
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8:
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mov (sp)+,d0 ; cmp #8,d0 ; beq 1f
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cmp #4,d0 ; beq 2f
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bra e_oddz
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2:
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move.l (sp)+,d0
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clr.l -(sp)
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move.l d0,-(sp)
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jsr .cff8
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1:
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jmp (a4)
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#endif
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