Basic assembly syntax

This commit is contained in:
d0p1 🏳️‍⚧️ 2024-02-22 20:37:12 +01:00
parent 9a7c5579b5
commit 7550b7dbc6
8 changed files with 105 additions and 1251 deletions

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@ -1,18 +1,9 @@
/*
* (c) copyright 1987 by the Vrije Universiteit, Amsterdam, The Netherlands.
* See the copyright notice in the ACK home directory, in the file "Copyright".
*/
#define RCSID0 "$Id$"
/*
* INTEL 8086 options
*/
#define THREE_PASS /* branch and offset optimization */
#define LISTING /* enable listing facilities */
#define RELOCATION /* generate relocation info */
#define DEBUG 0
#undef ALIGNWORD
#define ALIGNWORD 2
#define ALIGNWORD 4
#undef ALIGNSECT
#define ALIGNSECT 2
#define ALIGNSECT 4

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@ -1,63 +1,2 @@
/*
* (c) copyright 1987 by the Vrije Universiteit, Amsterdam, The Netherlands.
* See the copyright notice in the ACK home directory, in the file "Copyright".
*/
#define RCSID1 "$Id$"
/*
* INTEL 8086 C declarations
*/
#define low6(z) (z & 077)
#define fit6(z) (low6(z) == z)
#define low3(z) (z & 07)
#define fit3(z) (low3(z) == z)
#define FESC 0xD8 /* escape for 8087 processor */
extern int mrg_1,mrg_2;
extern expr_t exp_1,exp_2;
#ifndef ASLD
extern int rel_1, rel_2;
#endif
#ifndef extern
extern char sr_m[8];
#else
char sr_m[8] = {
-1, -1, -1, 7, -1, 6, 4, 5
};
#endif
#ifndef extern
extern char dr_m[8][8];
#else
char dr_m[8][8] = {
-1, -1, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, 0, 1,
-1, -1, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, 2, 3,
-1, -1, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, -1, -1
};
#endif
void encode_imm(int opc, int sz, expr_t exp);
/* 8086 specific routines */
void ea_1(int param);
void ea_2(int param);
void reverse(void);
void badsyntax(void);
void regsize(register int sz);
void indexed(void);
void branch(register int opc,expr_t exp);
void pushop(register int opc);
void addop(register int opc);
void rolop(register int opc);
void incop(register int opc);
void callop(register int opc);
void xchg(register int opc);
void test(register int opc);
void mov(register int opc);
void imul(int opc);

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@ -1,62 +1,18 @@
/*
* (c) copyright 1987 by the Vrije Universiteit, Amsterdam, The Netherlands.
* See the copyright notice in the ACK home directory, in the file "Copyright".
*/
#define RCSID2 "$Id$"
/*
* INTEL 8086 tokens
*/
%token <y_word> SIZE
%token <y_word> REG_acc
%token <y_word> REG_x
%token <y_word> REG_y
%token <y_word> OP_impl
%token <y_word> OP_rel
%token <y_word> OP_imm
%token <y_word> OP_x_ind
%token <y_word> OP_ind_y
%token <y_word> OP_ind
%token <y_word> OP_acc
%token <y_word> OP_abs
%token <y_word> OP_abs_y
%token <y_word> OP_abs_x
%token <y_word> R16
%token <y_word> R8
%token <y_word> RSEG
%token <y_word> PREFIX
%token <y_word> NOOP_1
%token <y_word> NOOP_2
%token <y_word> JOP
%token <y_word> PUSHOP
%token <y_word> IOOP
%token <y_word> ADDOP
%token <y_word> ROLOP
%token <y_word> INCOP
%token <y_word> NOTOP
%token <y_word> CALLOP
%token <y_word> CALFOP
%token <y_word> LEAOP
%token <y_word> ARPLOP
%token <y_word> ESC
%token <y_word> INT
%token <y_word> RET
%token <y_word> XCHG
%token <y_word> TEST
%token <y_word> MOV
/* Intel 80268 tokens */
%token <y_word> IMUL
%token <y_word> ENTER
%token <y_word> EXTOP
%token <y_word> EXTOP1
/* Intel 8087 coprocessor tokens */
%token <y_word> FNOOP
%token <y_word> FMEM
%token <y_word> FST_I
%token <y_word> FST_ST
%token <y_word> FST_ST2
%token <y_word> ST
%type <y_valu> st_i
%token <y_word> OP_branch
%token <y_word> OP_arithm
%token <y_word> OP_jump
%token <y_word> OP_jsr
%token <y_word> OP_rol
%token <y_word> OP_bit
%token <y_word> OP_cpx
%token <y_word> OP_inc
%token <y_word> OP_stx
%token <y_word> OP_ldx

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@ -1,448 +1,76 @@
{0, SIZE, 0x00, ".b"},
{0, SIZE, 0x01, ".w"},
{0, SIZE, 0x02, ".d"},
{0, SIZE, 0x04, ".ub"},
{0, SIZE, 0x05, ".uw"},
{0, SIZE, 0x02, ".l"},
{0, SIZE, 0x04, ".sb"},
{0, SIZE, 0x05, ".sw"},
{0, REG_acc, 0x00, "a"},
{0, REG_x, 0x00, "x"},
{0, REG_y, 0x00, "y"},
{0, OP_impl, 0x00, "brk"},
{0, OP_x_ind, 0x01, "ora"},
{0, OP_impl, 0x08, "php"},
{0, OP_imm, 0x09, "ora"},
{0, OP_acc, 0x0A, "asl"},
{0, OP_abs, 0x0D, "ora"},
{0, OP_abs, 0x0E, "asl"},
{0, OP_rel, 0x10, "bpl"},
{0, OP_ind_y, 0x11, "ora"},
{0, OP_impl, 0x18, "clc"},
{0, OP_abs_y, 0x19, "ora"},
{0, OP_abs_x, 0x1D, "ora"},
{0, OP_abs_x, 0x1E, "asl"},
{0, OP_abs, 0x20, "jsr"},
{0, OP_x_ind, 0x21, "and"},
{0, OP_impl, 0x28, "plp"},
{0, OP_imm, 0x29, "and"},
{0, OP_acc, 0x2A, "rol"},
{0, OP_abs, 0x2C, "bit"},
{0, OP_abs, 0x2D, "and"},
{0, OP_abs, 0x2E, "rol"},
{0, OP_rel, 0x30, "bmi"},
{0, OP_ind_y, 0x31, "and"},
{0, OP_impl, 0x38, "sec"},
{0, OP_abs_y, 0x39, "and"},
{0, OP_abs_x, 0x3D, "and"},
{0, OP_abs_x, 0x3E, "rol"},
{0, OP_impl, 0x40, "rti"},
{0, OP_x_ind, 0x41, "eor"},
{0, OP_impl, 0x48, "pha"},
{0, OP_imm, 0x49, "eor"},
{0, OP_acc, 0x4A, "lsr"},
{0, OP_abs, 0x4C, "jmp"},
{0, OP_abs, 0x4D, "eor"},
{0, OP_abs, 0x4E, "lsr"},
{0, OP_rel, 0x50, "bvc"},
{0, OP_ind_y, 0x51, "eor"},
{0, OP_impl, 0x58, "cli"},
{0, OP_abs_y, 0x59, "eor"},
{0, OP_abs_x, 0x5D, "eor"},
{0, OP_abs_x, 0x5E, "lsr"},
{0, OP_impl, 0x60, "rts"},
{0, OP_x_ind, 0x61, "adc"},
{0, OP_impl, 0x68, "pla"},
{0, OP_imm, 0x69, "adc"},
{0, OP_acc, 0x6A, "ror"},
{0, OP_ind, 0x6C, "jmp"},
{0, OP_abs, 0x6D, "adc"},
{0, OP_abs, 0x6E, "ror"},
{0, OP_rel, 0x70, "bvs"},
{0, OP_ind_y, 0x71, "adc"},
{0, OP_impl, 0x78, "sei"},
{0, OP_abs_y, 0x79, "adc"},
{0, OP_abs_x, 0x7D, "adc"},
{0, OP_abs_x, 0x7E, "ror"},
{0, OP_x_ind, 0x81, "sta"},
{0, OP_impl, 0x88, "dey"},
{0, OP_impl, 0x8A, "txa"},
{0, OP_abs, 0x8C, "sty"},
{0, OP_abs, 0x8D, "sta"},
{0, OP_abs, 0x8E, "stx"},
{0, OP_rel, 0x90, "bcc"},
{0, OP_ind_y, 0x91, "sta"},
{0, OP_impl, 0x98, "tya"},
{0, OP_abs_y, 0x99, "sta"},
{0, OP_impl, 0x9A, "txs"},
{0, OP_abs_x, 0x9D, "sta"},
{0, OP_imm, 0xA0, "ldy"},
{0, OP_x_ind, 0xA1, "lda"},
{0, OP_imm, 0xA2, "ldx"},
{0, OP_impl, 0xA8, "tay"},
{0, OP_imm, 0xA9, "lda"},
{0, OP_impl, 0xAA, "tax"},
{0, OP_abs, 0xAC, "ldy"},
{0, OP_abs, 0xAD, "lda"},
{0, OP_abs, 0xAE, "ldx"},
{0, OP_rel, 0xB0, "bcs"},
{0, OP_ind_y, 0xB1, "lda"},
{0, OP_impl, 0xB8, "clv"},
{0, OP_abs_y, 0xB9, "lda"},
{0, OP_impl, 0xBA, "tsx"},
{0, OP_abs_x, 0xBC, "ldy"},
{0, OP_abs_x, 0xBD, "lda"},
{0, OP_abs_y, 0xBE, "ldx"},
{0, OP_imm, 0xC0, "cpy"},
{0, OP_x_ind, 0xC1, "cmp"},
{0, OP_impl, 0xC8, "iny"},
{0, OP_imm, 0xC9, "cmp"},
{0, OP_impl, 0xCA, "dex"},
{0, OP_abs, 0xCC, "cpy"},
{0, OP_abs, 0xCD, "cmp"},
{0, OP_abs, 0xCE, "dec"},
{0, OP_rel, 0xD0, "bne"},
{0, OP_ind_y, 0xD1, "cmp"},
{0, OP_impl, 0xD8, "cld"},
{0, OP_abs_y, 0xD9, "cmp"},
{0, OP_abs_x, 0xDD, "cmp"},
{0, OP_abs_x, 0xDE, "dec"},
{0, OP_imm, 0xE0, "cpx"},
{0, OP_x_ind, 0xE1, "sbc"},
{0, OP_impl, 0xE8, "inx"},
{0, OP_imm, 0xE9, "sbc"},
{0, OP_impl, 0xEA, "nop"},
{0, OP_abs, 0xEC, "cpx"},
{0, OP_abs, 0xED, "sbc"},
{0, OP_abs, 0xEE, "inc"},
{0, OP_rel, 0xF0, "beq"},
{0, OP_ind_y, 0xF1, "sbc"},
{0, OP_impl, 0xF8, "sed"},
{0, OP_abs_y, 0xF9, "sbc"},
{0, OP_abs_x, 0xFD, "sbc"},
{0, OP_abs_x, 0xFE, "inc"},
{0, R16, 0, "ax"},
{0, R16, 1, "cx"},
{0, R16, 2, "dx"},
{0, R16, 3, "bx"},
{0, R16, 4, "sp"},
{0, R16, 5, "bp"},
{0, R16, 6, "si"},
{0, R16, 7, "di"},
{0, R8, 0, "al"},
{0, R8, 1, "cl"},
{0, R8, 2, "dl"},
{0, R8, 3, "bl"},
{0, R8, 4, "ah"},
{0, R8, 5, "ch"},
{0, R8, 6, "dh"},
{0, R8, 7, "bh"},
{0, RSEG, 0, "es"},
{0, RSEG, 1, "cs"},
{0, RSEG, 2, "ss"},
{0, RSEG, 3, "ds"},
{0, PREFIX, 046, "eseg"},
{0, PREFIX, 056, "cseg"},
{0, PREFIX, 066, "sseg"},
{0, PREFIX, 076, "dseg"},
{0, PREFIX, 0360, "lock"},
{0, PREFIX, 0363, "rep"},
{0, PREFIX, 0362, "repne"},
{0, PREFIX, 0362, "repnz"},
{0, PREFIX, 0363, "repe"},
{0, PREFIX, 0363, "repz"},
{0, NOOP_1, 047, "daa"},
{0, NOOP_1, 057, "das"},
{0, NOOP_1, 067, "aaa"},
{0, NOOP_1, 077, "aas"},
{0, NOOP_1, 0220, "nop"},
{0, NOOP_1, 0230, "cbw"},
{0, NOOP_1, 0231, "cwd"},
{0, NOOP_1, 0233, "wait"},
{0, NOOP_1, 0234, "pushf"},
{0, NOOP_1, 0235, "popf"},
{0, NOOP_1, 0236, "sahf"},
{0, NOOP_1, 0237, "lahf"},
{0, NOOP_1, 0244, "movsb"},
{0, NOOP_1, 0245, "movs"},
{0, NOOP_1, 0245, "movsw"},
{0, NOOP_1, 0246, "cmpsb"},
{0, NOOP_1, 0247, "cmps"},
{0, NOOP_1, 0247, "cmpsw"},
{0, NOOP_1, 0252, "stosb"},
{0, NOOP_1, 0253, "stos"},
{0, NOOP_1, 0253, "stosw"},
{0, NOOP_1, 0254, "lodsb"},
{0, NOOP_1, 0255, "lods"},
{0, NOOP_1, 0255, "lodsw"},
{0, NOOP_1, 0256, "scasb"},
{0, NOOP_1, 0257, "scas"},
{0, NOOP_1, 0257, "scasw"},
{0, NOOP_1, 0316, "into"},
{0, NOOP_1, 0317, "iret"},
{0, NOOP_1, 0327, "xlat"},
{0, NOOP_1, 0364, "hlt"},
{0, NOOP_1, 0365, "cmc"},
{0, NOOP_1, 0370, "clc"},
{0, NOOP_1, 0371, "stc"},
{0, NOOP_1, 0372, "cli"},
{0, NOOP_1, 0373, "sti"},
{0, NOOP_1, 0374, "cld"},
{0, NOOP_1, 0375, "std"},
{0, NOOP_2, 0324+012<<8, "aam"},
{0, NOOP_2, 0325+012<<8, "aad"},
{0, JOP, 0340, "loopne"},
{0, JOP, 0340, "loopnz"},
{0, JOP, 0341, "loope"},
{0, JOP, 0341, "loopz"},
{0, JOP, 0342, "loop"},
{0, JOP, 0343, "jcxz"},
{0, JOP, 0160, "jo"},
{0, JOP, 0161, "jno"},
{0, JOP, 0162, "jb"},
{0, JOP, 0162, "jc"},
{0, JOP, 0162, "jnae"},
{0, JOP, 0163, "jae"},
{0, JOP, 0163, "jnb"},
{0, JOP, 0163, "jnc"},
{0, JOP, 0164, "je"},
{0, JOP, 0164, "jz"},
{0, JOP, 0165, "jne"},
{0, JOP, 0165, "jnz"},
{0, JOP, 0166, "jbe"},
{0, JOP, 0166, "jna"},
{0, JOP, 0167, "ja"},
{0, JOP, 0167, "jnbe"},
{0, JOP, 0170, "js"},
{0, JOP, 0171, "jns"},
{0, JOP, 0172, "jp"},
{0, JOP, 0172, "jpe"},
{0, JOP, 0173, "jnp"},
{0, JOP, 0173, "jpo"},
{0, JOP, 0174, "jl"},
{0, JOP, 0174, "jnge"},
{0, JOP, 0175, "jge"},
{0, JOP, 0175, "jnl"},
{0, JOP, 0176, "jle"},
{0, JOP, 0176, "jng"},
{0, JOP, 0177, "jg"},
{0, JOP, 0177, "jnle"},
{0, PUSHOP, 0, "push"},
{0, PUSHOP, 1, "pop"},
{0, IOOP, 0344, "inb"},
{0, IOOP, 0345, "in"},
{0, IOOP, 0345, "inw"},
{0, IOOP, 0346, "outb"},
{0, IOOP, 0347, "out"},
{0, IOOP, 0347, "outw"},
{0, ADDOP, 000, "addb"},
{0, ADDOP, 001, "add"},
{0, ADDOP, 010, "orb"},
{0, ADDOP, 011, "or"},
{0, ADDOP, 020, "adcb"},
{0, ADDOP, 021, "adc"},
{0, ADDOP, 030, "sbbb"},
{0, ADDOP, 031, "sbb"},
{0, ADDOP, 040, "andb"},
{0, ADDOP, 041, "and"},
{0, ADDOP, 050, "subb"},
{0, ADDOP, 051, "sub"},
{0, ADDOP, 060, "xorb"},
{0, ADDOP, 061, "xor"},
{0, ADDOP, 070, "cmpb"},
{0, ADDOP, 071, "cmp"},
{0, ROLOP, 000, "rolb"},
{0, ROLOP, 001, "rol"},
{0, ROLOP, 010, "rorb"},
{0, ROLOP, 011, "ror"},
{0, ROLOP, 020, "rclb"},
{0, ROLOP, 021, "rcl"},
{0, ROLOP, 030, "rcrb"},
{0, ROLOP, 031, "rcr"},
{0, ROLOP, 040, "salb"},
{0, ROLOP, 040, "shlb"},
{0, ROLOP, 041, "sal"},
{0, ROLOP, 041, "shl"},
{0, ROLOP, 050, "shrb"},
{0, ROLOP, 051, "shr"},
{0, ROLOP, 070, "sarb"},
{0, ROLOP, 071, "sar"},
{0, INCOP, 000, "incb"},
{0, INCOP, 001, "inc"},
{0, INCOP, 010, "decb"},
{0, INCOP, 011, "dec"},
{0, NOTOP, 020, "notb"},
{0, NOTOP, 021, "not"},
{0, NOTOP, 030, "negb"},
{0, NOTOP, 031, "neg"},
{0, NOTOP, 040, "mulb"},
{0, NOTOP, 041, "mul"},
{0, NOTOP, 050, "imulb"},
{0, IMUL, 051, "imul"}, /* for 80286 */
{0, NOTOP, 060, "divb"},
{0, NOTOP, 061, "div"},
{0, NOTOP, 070, "idivb"},
{0, NOTOP, 071, "idiv"},
{0, CALLOP, 020+(0350<<8), "call"},
{0, CALLOP, 040+(0351<<8), "jmp"},
{0, CALFOP, 030+(0232<<8), "callf"},
{0, CALFOP, 050+(0352<<8), "jmpf"},
{0, LEAOP, 0215, "lea"},
{0, LEAOP, 0304, "les"},
{0, LEAOP, 0305, "lds"},
{0, ESC, 0, "esc"},
{0, INT, 0, "int"},
{0, RET, 0303, "ret"},
{0, RET, 0313, "retf"},
{0, XCHG, 0, "xchgb"},
{0, XCHG, 1, "xchg"},
{0, TEST, 0, "testb"},
{0, TEST, 1, "test"},
{0, MOV, 0, "movb"},
{0, MOV, 1, "mov"},
{0, MOV, 1, "movw"},
{0, OP_branch, 0x10, "bpl"},
{0, OP_branch, 0x30, "bmi"},
{0, OP_branch, 0x50, "bvc"},
{0, OP_branch, 0x70, "bvs"},
{0, OP_branch, 0x90, "bcc"},
{0, OP_branch, 0xB0, "bcs"},
{0, OP_branch, 0xD0, "bne"},
{0, OP_branch, 0xF0, "beq"},
/* Intel 8087 coprocessor keywords */
/* XXX: change OP_arithm with smthg more accurate */
{0, OP_arithm, 0x00, "ora"},
{0, OP_arithm, 0x20, "and"},
{0, OP_arithm, 0x40, "eor"},
{0, OP_arithm, 0x60, "adc"},
{0, OP_arithm, 0x80, "sta"},
{0, OP_arithm, 0xA0, "lda"},
{0, OP_arithm, 0xC0, "cmp"},
{0, OP_arithm, 0xE0, "sbc"},
{0, ST, 0, "st"},
{0, OP_jump, 0x4C, "jmp"},
{0, OP_jsr, 0x20, "jsr"},
{0, FNOOP, FESC+1+(0xF0<<8), "f2xm1"},
{0, FNOOP, FESC+1+(0xE1<<8), "fabs"},
{0, FNOOP, FESC+1+(0xE0<<8), "fchs"},
{0, FNOOP, FESC+3+(0xE2<<8), "fclex"},
{0, FNOOP, FESC+6+(0xD9<<8), "fcompp"},
{0, FNOOP, FESC+1+(0xF6<<8), "fdecstp"},
{0, FNOOP, FESC+3+(0xE1<<8), "fdisi"},
{0, FNOOP, FESC+3+(0xE0<<8), "feni"},
{0, FNOOP, FESC+1+(0xF7<<8), "fincstp"},
{0, FNOOP, FESC+3+(0xE3<<8), "finit"},
{0, FNOOP, FESC+1+(0xE8<<8), "fld1"},
{0, FNOOP, FESC+1+(0xEA<<8), "fldl2e"},
{0, FNOOP, FESC+1+(0xE9<<8), "fldl2t"},
{0, FNOOP, FESC+1+(0xEC<<8), "fldlg2"},
{0, FNOOP, FESC+1+(0xED<<8), "fldln2"},
{0, FNOOP, FESC+1+(0xEB<<8), "fldpi"},
{0, FNOOP, FESC+1+(0xEE<<8), "fldz"},
{0, FNOOP, FESC+1+(0xD0<<8), "fnop"},
{0, FNOOP, FESC+1+(0xF3<<8), "fpatan"},
{0, FNOOP, FESC+1+(0xF8<<8), "fprem"},
{0, FNOOP, FESC+1+(0xF2<<8), "fptan"},
{0, FNOOP, FESC+1+(0xFC<<8), "frndint"},
{0, FNOOP, FESC+1+(0xFD<<8), "fscale"},
{0, FNOOP, FESC+1+(0xFA<<8), "fsqrt"},
{0, FNOOP, FESC+7+(0xE0<<8), "fstswax"}, /* 80287 */
{0, FNOOP, FESC+1+(0xE4<<8), "ftst"},
{0, FNOOP, FESC+1+(0xE5<<8), "fxam"},
{0, FNOOP, FESC+1+(0xF4<<8), "fxtract"},
{0, FNOOP, FESC+1+(0xF1<<8), "fyl2x"},
{0, FNOOP, FESC+1+(0xF9<<8), "fyl2pi"},
{0, OP_rol, 0x00, "asl"},
{0, OP_rol, 0x20, "rol"},
{0, OP_rol, 0x40, "lsr"},
{0, OP_rol, 0x60, "ror"},
{0, FMEM, FESC+6+(0<<11), "fiadds"},
{0, FMEM, FESC+2+(0<<11), "fiaddl"},
{0, FMEM, FESC+0+(0<<11), "fadds"},
{0, FMEM, FESC+4+(0<<11), "faddd"},
{0, FMEM, FESC+7+(4<<11), "fbld"},
{0, FMEM, FESC+7+(6<<11), "fbstp"},
{0, FMEM, FESC+6+(2<<11), "ficoms"},
{0, FMEM, FESC+2+(2<<11), "ficoml"},
{0, FMEM, FESC+0+(2<<11), "fcoms"},
{0, FMEM, FESC+4+(2<<11), "fcomd"},
{0, FMEM, FESC+6+(3<<11), "ficomps"},
{0, FMEM, FESC+2+(3<<11), "ficompl"},
{0, FMEM, FESC+0+(3<<11), "fcomps"},
{0, FMEM, FESC+4+(3<<11), "fcompd"},
{0, FMEM, FESC+6+(6<<11), "fidivs"},
{0, FMEM, FESC+2+(6<<11), "fidivl"},
{0, FMEM, FESC+0+(6<<11), "fdivs"},
{0, FMEM, FESC+4+(6<<11), "fdivd"},
{0, FMEM, FESC+6+(7<<11), "fidivrs"},
{0, FMEM, FESC+2+(7<<11), "fidivrl"},
{0, FMEM, FESC+0+(7<<11), "fdivrs"},
{0, FMEM, FESC+4+(7<<11), "fdivrd"},
{0, FMEM, FESC+7+(5<<11), "fildq"},
{0, FMEM, FESC+7+(0<<11), "filds"},
{0, FMEM, FESC+3+(0<<11), "fildl"},
{0, FMEM, FESC+1+(0<<11), "flds"},
{0, FMEM, FESC+5+(0<<11), "fldd"},
{0, FMEM, FESC+3+(5<<11), "fldx"},
{0, FMEM, FESC+1+(5<<11), "fldcw"},
{0, FMEM, FESC+1+(4<<11), "fldenv"},
{0, FMEM, FESC+6+(1<<11), "fimuls"},
{0, FMEM, FESC+2+(1<<11), "fimull"},
{0, FMEM, FESC+0+(1<<11), "fmuls"},
{0, FMEM, FESC+4+(1<<11), "fmuld"},
{0, FMEM, FESC+5+(4<<11), "frstor"},
{0, FMEM, FESC+5+(6<<11), "fsave"},
{0, FMEM, FESC+7+(2<<11), "fists"},
{0, FMEM, FESC+3+(2<<11), "fistl"},
{0, FMEM, FESC+1+(2<<11), "fsts"},
{0, FMEM, FESC+5+(2<<11), "fstd"},
{0, FMEM, FESC+7+(7<<11), "fistpq"},
{0, FMEM, FESC+7+(3<<11), "fistps"},
{0, FMEM, FESC+3+(3<<11), "fistpl"},
{0, FMEM, FESC+1+(3<<11), "fstps"},
{0, FMEM, FESC+5+(3<<11), "fstpd"},
{0, FMEM, FESC+3+(7<<11), "fstpx"},
{0, FMEM, FESC+1+(7<<11), "fstcw"},
{0, FMEM, FESC+1+(6<<11), "fstenv"},
{0, FMEM, FESC+5+(7<<11), "fstsw"},
{0, FMEM, FESC+6+(4<<11), "fisubs"},
{0, FMEM, FESC+2+(4<<11), "fisubl"},
{0, FMEM, FESC+0+(4<<11), "fsubs"},
{0, FMEM, FESC+4+(4<<11), "fsubd"},
{0, FMEM, FESC+6+(5<<11), "fisubrs"},
{0, FMEM, FESC+2+(5<<11), "fisubrl"},
{0, FMEM, FESC+0+(5<<11), "fsubrs"},
{0, FMEM, FESC+4+(5<<11), "fsubrd"},
{0, OP_bit, 0x2C, "bit"},
{0, FST_I, FESC+1+(0xC0<<8), "fld"},
{0, FST_I, FESC+5+(0xD0<<8), "fst"},
{0, FST_I, FESC+5+(0xC8<<8), "fstp"},
{0, FST_I, FESC+1+(0xC8<<8), "fxch"},
{0, FST_I, FESC+0+(0xD0<<8), "fcom"},
{0, FST_I, FESC+0+(0xD8<<8), "fcomp"},
{0, FST_I, FESC+5+(0xC0<<8), "ffree"},
{0, OP_cpx, 0xC0, "cpy"},
{0, OP_cpx, 0xE0, "cpx"},
{0, FST_ST, FESC+0+(0xC0<<8), "fadd"},
{0, FST_ST, FESC+2+(0xC0<<8), "faddp"},
{0, FST_ST2, FESC+0+(0xF0<<8), "fdiv"},
{0, FST_ST2, FESC+2+(0xF0<<8), "fdivp"},
{0, FST_ST2, FESC+0+(0xF8<<8), "fdivr"},
{0, FST_ST2, FESC+2+(0xF8<<8), "fdivrp"},
{0, FST_ST, FESC+0+(0xC8<<8), "fmul"},
{0, FST_ST, FESC+2+(0xC8<<8), "fmulp"},
{0, FST_ST2, FESC+0+(0xE0<<8), "fsub"},
{0, FST_ST2, FESC+2+(0xE0<<8), "fsubp"},
{0, FST_ST2, FESC+0+(0xE8<<8), "fsubr"},
{0, FST_ST2, FESC+2+(0xE8<<8), "fsubrp"},
{0, OP_inc, 0xCE, "dec"},
{0, OP_inc, 0xEE, "inc"},
/* 80286 keywords */
{0, NOOP_1, 0140, "pusha"},
{0, NOOP_1, 0141, "popa"},
{0, NOOP_1, 0154, "insb"},
{0, NOOP_1, 0155, "ins"},
{0, NOOP_1, 0155, "insw"},
{0, NOOP_1, 0156, "outsb"},
{0, NOOP_1, 0157, "outs"},
{0, NOOP_1, 0157, "outsw"},
{0, OP_stx, 0x8C, "sty"},
{0, OP_stx, 0x8E, "stx"},
{0, ARPLOP, 0143, "arpl"},
{0, ENTER, 0310, "enter"},
{0, NOOP_1, 0311, "leave"},
{0, LEAOP, 0142, "bound"},
{0, NOOP_2, 017+06<<8, "clts"},
{0, EXTOP, 0002, "lar"},
{0, EXTOP, 0003, "lsl"},
{0, EXTOP1, 0021, "lgdt"},
{0, EXTOP1, 0001, "sgdt"},
{0, EXTOP1, 0031, "lidt"},
{0, EXTOP1, 0011, "sidt"},
{0, EXTOP1, 0020, "lldt"},
{0, EXTOP1, 0000, "sldt"},
{0, EXTOP1, 0030, "ltr"},
{0, EXTOP1, 0010, "str"},
{0, EXTOP1, 0061, "lmsw"},
{0, EXTOP1, 0041, "smsw"},
{0, EXTOP1, 0050, "verw"},
{0, EXTOP1, 0040, "verr"},
{0, OP_ldx, 0xA0, "ldy"},
{0, OP_ldx, 0xA2, "ldx"},

View file

@ -1,167 +1,50 @@
#define RCSID4 "$Id$"
/*
* (c) copyright 1987 by the Vrije Universiteit, Amsterdam, The Netherlands.
* See the copyright notice in the ACK home directory, in the file "Copyright".
*
*/
operation
: prefix oper
;
prefix : /* empty */
| prefix PREFIX
{ emit1($2);}
;
oper : OP_impl
: OP_impl
{ emit1($1);}
| OP_acc REG_acc
{ emit1($1);}
| OP_imm SIZE '#' expr
{ encode_imm($1, $2, $4);}
| JOP expr
| OP_branch expr
{ branch($1, $2);}
| PUSHOP ea_1
{ pushop($1);}
| IOOP expr
{ emit1($1);
#ifdef RELOCATION
newrelo($2.typ, RELO1);
#endif
emit1($2.val);
}
| IOOP R16
{ if ($2!=2) serror("register error");
emit1($1+010);
}
| ADDOP ea_ea
{ addop($1);}
| ROLOP ea_ea
{ rolop($1);}
| INCOP ea_1
{ incop($1);}
| IMUL ea_ea
{ imul($1);}
| IMUL ea_1
{ regsize($1); emit1(0366|($1&1)); ea_1($1&070);}
| NOTOP ea_1
{ regsize($1); emit1(0366|($1&1)); ea_1($1&070);}
| CALLOP ea_1
{ callop($1&0xFFFF);}
| CALFOP expr ':' expr
{ emit1($1>>8);
#ifdef RELOCATION
newrelo($4.typ, RELO2);
#endif
emit2($4.val);
#ifdef RELOCATION
newrelo($2.typ, RELO2);
#endif
emit2($2.val);
}
| CALFOP mem
{ emit1(0377); ea_2($1&0xFF);}
| ENTER absexp ',' absexp
{ fit(fitw($2)); fit(fitb($4));
emit1($1); emit2((int)$2); emit1((int)$4);
}
| LEAOP R16 ',' mem
{ emit1($1); ea_2($2<<3);}
| ARPLOP mem ',' R16
{ emit1($1); ea_2($4<<3);}
| EXTOP R16 ',' ea_2
{ emit1(0xF); emit1($1);
ea_2($2<<3);
}
| EXTOP1 ea_1
{ regsize(1); emit1(0xF); emit1($1&07);
ea_1($1&070);
}
| ESC absexp ',' mem
{ fit(fit6($2));
emit1(0330 | $2>>3);
ea_2(($2&7)<<3);
}
| INT absexp
{ if ($2==3)
emit1(0314);
else {
emit1(0315); emit1($2);
}
}
| RET
| OP_arithm SIZE '#' expr
{ encode_imm($1+0x9, $2, $4);}
| OP_arithm SIZE expr
{ emit1($1+0x0D);}
| OP_arithm SIZE expr ',' REG_x
{ emit1($1+0x1D);}
| OP_arithm SIZE expr ',' REG_y
{ emit1($1+0x19);}
| OP_arithm SIZE '(' expr ',' REG_x ')'
{ emit1($1+0x01);}
| OP_arithm SIZE '(' expr ')' ',' REG_y
{ emit1($1+0x11);}
| OP_jump expr
{ emit1($1);}
| RET expr
{ emit1($1-1);
#ifdef RELOCATION
newrelo($2.typ, RELO2);
#endif
emit2($2.val);
}
| XCHG ea_ea
{ xchg($1);}
| TEST ea_ea
{ test($1);}
| MOV ea_ea
{ mov($1);}
/* Intel 8087 coprocessor instructions */
| FNOOP
{ emit1($1); emit1($1>>8);}
| FMEM mem
{ emit1($1); ea_2(($1>>8)&070);}
| FST_I st_i
{ emit1($1); emit1(($1>>8)|$2); }
| FST_I ST
{ emit1($1); emit1($1>>8); }
| FST_ST ST ',' st_i
{ emit1($1); emit1(($1>>8)|$4); }
| FST_ST2 ST ',' st_i
{ emit1($1); emit1(($1>>8)|$4); }
| FST_ST st_i ',' ST
{ emit1($1|4); emit1((($1>>8)|$2)); }
| FST_ST2 st_i ',' ST
{ emit1($1|4); emit1((($1>>8)|$2)^010); }
;
st_i : ST '(' absexp ')'
{ if (!fit3($3)) {
serror("illegal index in FP stack");
}
$$ = $3;
}
;
mem : '(' expr ')'
{ mrg_2 = 6; exp_2 = $2;
RELOMOVE(rel_2, relonami);
}
| bases
{ exp_2.val = 0; exp_2.typ = S_ABS; indexed();}
| expr bases
{ exp_2 = $1; indexed();
RELOMOVE(rel_2, relonami);
}
;
bases : '(' R16 ')'
{ mrg_2 = sr_m[$2];}
| '(' R16 ')' '(' R16 ')'
{ mrg_2 = dr_m[$2][$5];}
;
ea_2 : mem
| R8
{ mrg_2 = $1 | 0300;}
| R16
{ mrg_2 = $1 | 0310;}
| RSEG
{ mrg_2 = $1 | 020;}
| expr
{ mrg_2 = 040; exp_2 = $1;
RELOMOVE(rel_2, relonami);
}
;
ea_1 : ea_2
{ mrg_1 = mrg_2; exp_1 = exp_2;
RELOMOVE(rel_1, rel_2);
}
;
ea_ea : ea_1 ',' ea_2
| OP_jump '(' expr ')'
{ emit1($1+0x20);}
| OP_jsr expr
{ emit1($1);}
| OP_rol REG_acc
{ emit1($1+0x0A);}
| OP_rol SIZE expr
{ emit1($1+0x0E);}
| OP_rol SIZE expr ',' REG_x
{ emit1($1+0x1E);}
| OP_bit SIZE expr
{ emit1($1);}
| OP_cpx SIZE '#' expr
{ emit1($1);}
| OP_cpx SIZE expr
{ emit1($1+0x0C);}
| OP_inc SIZE expr
{ emit1($1+0x0E);}
| OP_inc SIZE expr ',' REG_x
{ emit1($1+0x1E);}
| OP_stx SIZE expr
{ emit1($1);}
| OP_ldx SIZE '#' expr
{ emit1($1);}
| OP_ldx SIZE expr
{ emit1($1+0x0C);}
| OP_ldx SIZE expr ',' REG_x
{ emit1($1+0x1C);}
;

View file

@ -1,12 +1,3 @@
/*
* (c) copyright 1987 by the Vrije Universiteit, Amsterdam, The Netherlands.
* See the copyright notice in the ACK home directory, in the file "Copyright".
*/
#define RCSID5 "$Id$"
/*
* INTEL 8086 special routines
*/
void
encode_imm(int opc, int sz, expr_t exp)
@ -31,360 +22,21 @@ encode_imm(int opc, int sz, expr_t exp)
}
}
void ea_1(int param)
{
if ((mrg_1 & 070) || (param & ~070)) {
serror("bad operand");
}
emit1(mrg_1 | param);
switch(mrg_1 >> 6) {
case 0:
if (mrg_1 == 6 || (mrg_1 & 040)) {
#ifdef RELOCATION
RELOMOVE(relonami, rel_1);
newrelo(exp_1.typ, RELO2);
#endif
emit2(exp_1.val);
}
break;
case 1:
#ifdef RELOCATION
RELOMOVE(relonami, rel_1);
newrelo(exp_1.typ, RELO1);
#endif
emit1(exp_1.val);
break;
case 2:
#ifdef RELOCATION
RELOMOVE(relonami, rel_1);
newrelo(exp_1.typ, RELO2);
#endif
emit2(exp_1.val);
break;
}
}
void ea_2(int param) {
mrg_1 = mrg_2;
exp_1 = exp_2;
RELOMOVE(rel_1, rel_2);
ea_1(param);
}
void reverse(void)
{
register int m, r;
expr_t e;
m = mrg_1; mrg_1 = mrg_2; mrg_2 = m;
e = exp_1; exp_1 = exp_2; exp_2 = e;
#ifndef ASLD
r = rel_1; rel_1 = rel_2; rel_2 = r;
#endif
}
void badsyntax(void)
{
serror("bad operands");
}
void regsize(register int sz)
{
register int bit;
sz <<= 3;
bit = 010;
sz &= bit;
if ((mrg_1 >= 0300 && (mrg_1 & bit) != sz) ||
(mrg_2 >= 0300 && (mrg_2 & bit) != sz))
serror("register error");
mrg_1 &= ~bit;
mrg_2 &= ~bit;
}
void indexed(void)
{
int sm1, sm2;
if (mrg_2 & ~7)
serror("register error");
sm1 = exp_2.typ == S_ABS && fitb((short)(exp_2.val));
if (sm1) {
sm2 = exp_2.val == 0 && mrg_2 != 6;
}
else sm2 = 0;
if (small(sm1, 1)) {
if (small(sm2, 1)) {
}
else mrg_2 |= 0100;
}
else {
if (small(0, 1)) {}
mrg_2 |= 0200;
}
}
void branch(register int opc, expr_t exp)
{
register int sm,dist;
int saving = opc == 0353 ? 1 : 3;
register int dist;
dist = exp.val - (DOTVAL + 2);
if (pass == PASS_2 && dist > 0 && !(exp.typ & S_DOT))
dist -= DOTGAIN;
sm = dist > 0 ? fitb(dist-saving) : fitb(dist);
if ((exp.typ & ~S_DOT) != DOTTYP)
sm = 0;
if ((opc & 0370) == 0340) {
fit(sm);
sm = 1;
if (small(fitb(dist) && (exp.typ & ~S_DOT) == DOTTYP, 3)) {
emit1(opc); emit1(dist);
} else {
if ((sm = small(sm,saving)) == 0) {
if (opc != 0353) {
emit1(opc^1);
emit1(3);
dist -= 2;
}
opc = 0351;
dist--;
}
}
emit1(opc);
if (sm == 0) {
emit1(opc^0x20); emit1(0x03); /* Skip over ... */
emit1(0x4C); /* ... far jump. */
#ifdef RELOCATION
newrelo(exp.typ, RELPC | RELO2);
newrelo(exp.typ, RELO2);
#endif
emit2(dist);
} else
emit1(dist);
}
void pushop(register int opc)
{
regsize(1);
if (mrg_1 & 020) {
if ( (mrg_1&3) == 1 && opc==1 ) badsyntax() ;
emit1(6 | opc | (mrg_1&3)<<3);
} else if (mrg_1 >= 0300) {
emit1(0120 | opc<<3 | (mrg_1&7));
} else if (opc == 0) {
if (mrg_1 & 040) { /* 070 ??? */
if (small(exp_1.typ == S_ABS && fitb((short)exp_1.val),1)) {
emit1(0152);
emit1((int) exp_1.val);
} else {
emit1(0150);
RELOMOVE(relonami, rel_1);
#ifdef RELOCATION
newrelo(exp_1.typ, RELO2);
emit2((int) exp_1.val);
#endif
}
} else {
emit1(0377); ea_1(6<<3);
}
} else {
emit1(0217); ea_1(0<<3);
}
}
void addop(register int opc)
{
regsize(opc);
if (mrg_2 >= 0300) {
emit1(opc); ea_1((mrg_2&7)<<3);
} else if ((mrg_2 & 040) && mrg_1 == 0300) {
emit1(opc | 4);
#ifdef RELOCATION
RELOMOVE(relonami, rel_2);
newrelo(exp_2.typ, (opc&1)? RELO2 : RELO1);
#endif
emitx(exp_2.val, (opc&1)+1);
} else if (mrg_2 & 040) {
if ((opc&1) == 0) {
emit1(0200);
} else {
int sm = exp_2.typ == S_ABS && fitb((short)exp_2.val) &&
opc != 011 && opc != 041 && opc != 061;
if (small(sm, 1)) {
emit1(0203); opc &= ~1;
}
else emit1(0201);
}
ea_1(opc & 070);
#ifdef RELOCATION
RELOMOVE(relonami, rel_2);
newrelo(exp_2.typ, (opc&1)? RELO2 : RELO1);
#endif
emitx(exp_2.val, (opc&1)+1);
} else if (mrg_1 >= 0300) {
emit1(opc | 2);
ea_2((mrg_1&7)<<3);
} else
badsyntax();
}
void rolop(register int opc)
{
register int cmrg;
cmrg = mrg_2;
mrg_2 = mrg_1;
regsize(opc);
if (cmrg == 0301) {
emit1(0322 | (opc&1)); ea_1(opc&070);
} else if (cmrg & 040) {
if (small(exp_2.val == 1, 1)) {
emit1(0320 | (opc&1)); ea_1(opc&070);
} else {
fit(fitb(exp_2.val));
emit1(0300|(opc&1)); ea_1(opc&070);
emit1((int)exp_2.val);
}
} else
badsyntax();
}
void incop(register int opc)
{
regsize(opc);
if ((opc&1) && mrg_1>=0300) {
emit1(0100 | (opc&010) | (mrg_1&7));
} else {
emit1(0376 | (opc&1));
ea_1(opc & 010);
}
}
void callop(register int opc)
{
regsize(1);
if (mrg_1 & 040) {
if (opc == (040+(0351<<8))) {
RELOMOVE(relonami, rel_1);
branch(0353,exp_1);
} else {
exp_1.val -= (DOTVAL+3);
emit1(opc>>8);
#ifdef RELOCATION
RELOMOVE(relonami, rel_1);
newrelo(exp_1.typ, RELPC | RELO2);
#endif
emit2(exp_1.val);
}
} else {
emit1(0377); ea_1(opc&070);
}
}
void xchg(register int opc)
{
regsize(opc);
if (mrg_2 == 0300 || mrg_1 < 0300)
reverse();
if (opc == 1 && mrg_1 == 0300 && mrg_2 >= 0300) {
emit1(0220 | (mrg_2&7));
} else if (mrg_1 >= 0300) {
emit1(0206 | opc); ea_2((mrg_1&7)<<3);
} else
badsyntax();
}
void test(register int opc)
{
regsize(opc);
if ((mrg_1 & 040) || mrg_2 >= 0300)
reverse();
if ((mrg_2 & 040) && mrg_1 == 0300) {
emit1(0250 | opc);
#ifdef RELOCATION
RELOMOVE(relonami, rel_2);
newrelo(exp_2.typ, (opc&1)? RELO2 : RELO1);
#endif
emitx(exp_2.val, (opc&1)+1);
} else if (mrg_2 & 040) {
emit1(0366 | opc);
ea_1(0<<3);
#ifdef RELOCATION
RELOMOVE(relonami, rel_2);
newrelo(exp_2.typ, (opc&1)? RELO2 : RELO1);
#endif
emitx(exp_2.val, (opc&1)+1);
} else if (mrg_1 >= 0300) {
emit1(0204 | opc); ea_2((mrg_1&7)<<3);
} else
badsyntax();
}
void mov(register int opc)
{
regsize(opc);
if (mrg_1 & 020) {
emit1(0216); ea_2((mrg_1&3)<<3);
} else if (mrg_2 & 020) {
emit1(0214); ea_1((mrg_2&3)<<3);
} else if (mrg_2 & 040) {
if (mrg_1 >= 0300) {
emit1(0260 | opc<<3 | (mrg_1&7));
#ifdef RELOCATION
RELOMOVE(relonami, rel_2);
newrelo(exp_2.typ, (opc&1)? RELO2 : RELO1);
#endif
emitx(exp_2.val, (opc&1)+1);
} else {
emit1(0306 | opc); ea_1(0<<3);
#ifdef RELOCATION
RELOMOVE(relonami, rel_2);
newrelo(exp_2.typ, (opc&1)? RELO2 : RELO1);
#endif
emitx(exp_2.val, (opc&1)+1);
}
} else if (mrg_2 == 0300 && mrg_1 == 6) {
emit1(0242 | opc);
#ifdef RELOCATION
RELOMOVE(relonami, rel_1);
newrelo(exp_1.typ, RELO2);
#endif
emit2(exp_1.val);
} else if (mrg_1 == 0300 && mrg_2 == 6) {
emit1(0240 | opc);
#ifdef RELOCATION
RELOMOVE(relonami, rel_2);
newrelo(exp_2.typ, RELO2);
#endif
emit2(exp_2.val);
} else if (mrg_2 >= 0300) {
emit1(0210 | opc); ea_1((mrg_2&7)<<3);
} else if (mrg_1 >= 0300) {
emit1(0212 | opc); ea_2((mrg_1&7)<<3);
} else {
badsyntax();
}
}
void imul(int opc)
{
regsize(opc);
if (exp_2.typ != S_ABS || ((mrg_2 & 040) == 0)) {
serror("bad operand");
} else {
if (small(exp_2.typ == S_ABS && fitb((short)exp_2.val),1)) {
emit1(0153);
ea_1((mrg_2&7)<<3);
emit1((int)exp_2.val);
} else {
emit1(0151);
ea_1((mrg_2&7)<<3);
RELOMOVE(relonami, rel_2);
#ifdef RELOCATION
newrelo(exp_2.typ, RELO2);
emit2((int) exp_2.val);
#endif
}
emit2(exp.val);
}
}

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@ -1,189 +0,0 @@
.sect .text; .sect .rom; .sect .data;
.sect .data
.define _m_a_i_n
blablabla:
.space 100
.sect .text
_m_a_i_n:
! no operands
f2xm1
fabs
fchs
fclex
fcompp
fdecstp
fdisi
feni
fincstp
finit
fld1
fldl2e
fldl2t
fldlg2
fldln2
fldpi
fldz
fnop
fpatan
fprem
fptan
frndint
fscale
fsqrt
ftst
fxam
fxtract
fyl2x
fyl2pi
! memory operand
fiadds (blablabla)
fiaddl (blablabla)
fadds (blablabla)
faddd (blablabla)
fbld (blablabla)
fbstp (blablabla)
ficoms (blablabla)
ficoml (blablabla)
fcoms (blablabla)
fcomd (blablabla)
ficomps (blablabla)
ficompl (blablabla)
fcomps (blablabla)
fcompd (blablabla)
fidivs (blablabla)
fidivl (blablabla)
fdivs (blablabla)
fdivd (blablabla)
fidivrs (blablabla)
fidivrl (blablabla)
fdivrs (blablabla)
fdivrd (blablabla)
filds (blablabla)
fildl (blablabla)
flds (blablabla)
fldd (blablabla)
fldx (blablabla)
fldcw (blablabla)
fldenv (blablabla)
fimuls (blablabla)
fimull (blablabla)
fmuls (blablabla)
fmuld (blablabla)
frstor (blablabla)
fsave (blablabla)
fists (blablabla)
fistl (blablabla)
fsts (blablabla)
fstd (blablabla)
fistps (blablabla)
fistpl (blablabla)
fstps (blablabla)
fstpd (blablabla)
fstpx (blablabla)
fstcw (blablabla)
fstenv (blablabla)
fstsw (blablabla)
fisubs (blablabla)
fisubl (blablabla)
fsubs (blablabla)
fsubd (blablabla)
fisubrs (blablabla)
fisubrl (blablabla)
fsubrs (blablabla)
fsubrd (blablabla)
! again, memory operand
fiadds 8(bp)
fiaddl 8(bp)
fadds 8(bp)
faddd 8(bp)
fbld 8(bp)
fbstp 8(bp)
ficoms 8(bp)
ficoml 8(bp)
fcoms 8(bp)
fcomd 8(bp)
ficomps 8(bp)
ficompl 8(bp)
fcomps 8(bp)
fcompd 8(bp)
fidivs 8(bp)
fidivl 8(bp)
fdivs 8(bp)
fdivd 8(bp)
fidivrs 8(bp)
fidivrl 8(bp)
fdivrs 8(bp)
fdivrd 8(bp)
filds 8(bp)
fildl 8(bp)
flds 8(bp)
fldd 8(bp)
fldx 8(bp)
fldcw 8(bp)
fldenv 8(bp)
fimuls 8(bp)
fimull 8(bp)
fmuls 8(bp)
fmuld 8(bp)
frstor 8(bp)
fsave 8(bp)
fists 8(bp)
fistl 8(bp)
fsts 8(bp)
fstd 8(bp)
fistps 8(bp)
fistpl 8(bp)
fstps 8(bp)
fstpd 8(bp)
fstpx 8(bp)
fstcw 8(bp)
fstenv 8(bp)
fstsw 8(bp)
fisubs 8(bp)
fisubl 8(bp)
fsubs 8(bp)
fsubd 8(bp)
fisubrs 8(bp)
fisubrl 8(bp)
fsubrs 8(bp)
fsubrd 8(bp)
! one FP stack argument
fld st
fst st
fstp st
fxch st
fcom st
fcomp st
ffree st
fld st(4)
fst st(4)
fstp st(4)
fxch st(4)
fcom st(4)
fcomp st(4)
ffree st(4)
! two FP stack arguments
fadd st(4),st
faddp st(4),st
fdiv st(4),st
fdivp st(4),st
fdivr st(4),st
fdivrp st(4),st
fmul st(4),st
fmulp st(4),st
fsub st(4),st
fsubp st(4),st
fsubr st(4),st
fsubrp st(4),st
fadd st,st(4)
faddp st,st(4)
fmul st,st(4)
fmulp st,st(4)

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#define CHAR_UNSIGNED 0
#define MSB_AT_LOW_ADDRESS 0
#define MSW_AT_LOW_ADDRESS 0
#define FL_MSB_AT_LOW_ADDRESS 0
#define FL_MSW_AT_LOW_ADDRESS 0
#define FL_MSL_AT_LOW_ADDRESS 0