New instructions
Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@142
This commit is contained in:
Sjoerd van der Berg
parent
383a425fc9
commit
0b17367d8d
1 changed files with 208 additions and 10 deletions
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@ -31,6 +31,63 @@ switch(Fetchb()) {
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}
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}
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break;
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/* 0x02 LAR Gw,Ew (286) */
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/* 0x03 LSL Gw,Ew (286) */
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/* 0x05 LOADALL (286 only?) */
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/* 0x06 CLTS (286) */
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/* 0x07 LOADALL (386 only?) */
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/* 0x08 INVD (486) */
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/* 0x02 WBINVD (486) */
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/* 0x10 UMOV Eb,Gb (386) */
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/* 0x11 UMOV Ew,Gw (386) */
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/* 0x12 UMOV Gb,Eb (386) */
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/* 0x13 UMOV Gw,Ew (386) */
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/* 0x20 MOV Rd,CRx (386) */
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/* 0x21 MOV Rd,DRx (386) */
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/* 0x22 MOV CRx,Rd (386) */
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/* 0x23 MOV DRx,Rd (386) */
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/* 0x24 MOV Rd,TRx (386) */
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/* 0x26 MOV TRx,Rd (386) */
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/* 0x30 WRMSR (P5) */
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/* 0x31 RDTSC (P5) */
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/* 0x32 RDMSR (P5) */
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/* 0x33 RDPMC (P6) */
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/* 0x40-4F CMOVcc Gw,Ew (P6) */
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/* 0x50 PAVEB Rq,Eq (CYRIX MMX) */
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/* 0x51 PADDSIW Rq,Eq (CYRIX MMX) */
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/* 0x52 PMAGW Rq,Eq (CYRIX MMX) */
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/* 0x54 PDISTIB Rq,Eq (CYRIX MMX) */
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/* 0x55 PSUBSIW Rq,Eq (CYRIX MMX) */
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/* 0x58 PMVZB Rq,Eq (CYRIX MMX) */
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/* 0x59 PMULHRW Rq,Eq (CYRIX MMX) */
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/* 0x5A PMVNZB Rq,Eq (CYRIX MMX) */
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/* 0x5B PMVLZB Rq,Eq (CYRIX MMX) */
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/* 0x5C PMVGEZB Rq,Eq (CYRIX MMX) */
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/* 0x5D PMULHRIW Rq,Eq (CYRIX MMX) */
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/* 0x5E PMACHRIW Rq,Eq (CYRIX MMX) */
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/* 0x60 PUNPCKLBW Rq,Eq (MMX) */
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/* 0x61 PUNPCKLWD Rq,Eq (MMX) */
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/* 0x62 PUNPCKLDQ Rq,Eq (MMX) */
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/* 0x63 PACKSSWB Rq,Eq (MMX) */
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/* 0x64 PCMPGTB Rq,Eq (MMX) */
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/* 0x65 PCMPGTW Rq,Eq (MMX) */
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/* 0x66 PCMPGTD Rq,Eq (MMX) */
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/* 0x67 PACKUSWB Rq,Eq (MMX) */
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/* 0x68 PUNPCKHBW Rq,Eq (MMX) */
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/* 0x69 PUNPCKHWD Rq,Eq (MMX) */
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/* 0x6A PUNPCKHDQ Rq,Eq (MMX) */
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/* 0x6B PACKSSDW Rq,Eq (MMX) */
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/* 0x6E MOVD Rq,Ed (MMX) */
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/* 0x6F MOVQ Rq,Eq (MMX) */
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/* 0x71 PSLLW/PSRAW/PSRLW Rq,Ib (MMX) */
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/* 0x72 PSLLD/PSRAD/PSRLD Rq,Ib (MMX) */
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/* 0x73 PSLLQ/PSRLQ Rq,Ib (MMX) */
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/* 0x74 PCMPEQB Rq,Eq (MMX) */
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/* 0x75 PCMPEQW Rq,Eq (MMX) */
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/* 0x76 PCMPEQD Rq,Eq (MMX) */
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/* 0x77 EMMS (MMX) */
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/* 0x7E MOVD Ed,Rq (MMX) */
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/* 0x7F MOVQ Ed,Rq (MMX) */
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case 0x80: /* JO */
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JumpSIw(get_OF());break;
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case 0x81: /* JNO */
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@ -63,10 +120,59 @@ switch(Fetchb()) {
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JumpSIw(get_ZF() || (get_SF() != get_OF()));break;
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case 0x8f: /* JNLE */
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JumpSIw((get_SF() == get_OF()) && !get_ZF());break;
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case 0x90: /* SETO */
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SETcc(get_OF());break;
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case 0x91: /* SETNO */
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SETcc(!get_OF());break;
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case 0x92: /* SETB */
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SETcc(get_CF());break;
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case 0x93: /* SETNB */
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SETcc(!get_CF());break;
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case 0x94: /* SETZ */
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SETcc(get_ZF());break;
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case 0x95: /* SETNZ */
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SETcc(!get_ZF()); break;
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case 0x96: /* SETBE */
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SETcc(get_CF() || get_ZF());break;
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case 0x97: /* SETNBE */
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SETcc(!get_CF() && !get_ZF());break;
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case 0x98: /* SETS */
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SETcc(get_SF());break;
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case 0x99: /* SETNS */
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SETcc(!get_SF());break;
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case 0x9a: /* SETP */
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SETcc(get_PF());break;
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case 0x9b: /* SETNP */
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SETcc(!get_PF());break;
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case 0x9c: /* SETL */
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SETcc(get_SF() != get_OF());break;
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case 0x9d: /* SETNL */
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SETcc(get_SF() == get_OF());break;
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case 0x9e: /* SETLE */
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SETcc(get_ZF() || (get_SF() != get_OF()));break;
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case 0x9f: /* SETNLE */
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SETcc((get_SF() == get_OF()) && !get_ZF());break;
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case 0xa0: /* PUSH FS */
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Push_16(Segs[fs].value);break;
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case 0xa1: /* POP FS */
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SetSegment_16(fs,Pop_16());break;
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/* 0xa2 CPUID */
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case 0xa3: /* BT Ew,Gw */
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{
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GetRMrw;
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Bit16u mask=1 << (*rmrw & 15);
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if (rm >= 0xc0 ) {
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GetEArw;
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flags.cf=(*earw & mask)>0;
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} else {
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GetEAa;Bit16u old=LoadMw(eaa);
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flags.cf=(old & mask)>0;
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}
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if (flags.type!=t_CF) { flags.prev_type=flags.type;flags.type=t_CF; }
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break;
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}
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case 0xa4: /* SHLD Ew,Gw,Ib */
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{
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GetRMrw;
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@ -81,10 +187,29 @@ switch(Fetchb()) {
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else {GetEAa;DSHLW(eaa,*rmrw,reg_cl,LoadMw,SaveMw);}
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break;
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}
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/* 0xa6 XBTS (early 386 only) CMPXCHG (early 486 only) */
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/* 0xa7 IBTS (early 386 only) CMPXCHG (early 486 only) */
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case 0xa8: /* PUSH GS */
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Push_16(Segs[gs].value);break;
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case 0xa9: /* POP GS */
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SetSegment_16(gs,Pop_16());break;
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/* 0xaa RSM */
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case 0xab: /* BTS Ew,Gw */
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{
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GetRMrw;
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Bit16u mask=1 << (*rmrw & 15);
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if (rm >= 0xc0 ) {
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GetEArw;
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flags.cf=(*earw & mask)>0;
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*earw|=mask;
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} else {
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GetEAa;Bit16u old=LoadMw(eaa);
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flags.cf=(old & mask)>0;
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SaveMw(eaa,old | mask);
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}
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if (flags.type!=t_CF) { flags.prev_type=flags.type;flags.type=t_CF; }
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break;
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}
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case 0xac: /* SHRD Ew,Gw,Ib */
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{
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GetRMrw;
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@ -111,6 +236,25 @@ switch(Fetchb()) {
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else {flags.cf=true;flags.of=true;}
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break;
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}
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/* 0xb0 CMPXCHG Eb,Gb */
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/* 0xb1 CMPXCHG Ew,Gw */
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/* 0xb2 LSS */
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case 0xb3: /* BTR Ew,Gw */
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{
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GetRMrw;
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Bit16u mask=1 << (*rmrw & 15);
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if (rm >= 0xc0 ) {
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GetEArw;
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flags.cf=(*earw & mask)>0;
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*earw&= ~mask;
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} else {
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GetEAa;Bit16u old=LoadMw(eaa);
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flags.cf=(old & mask)>0;
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SaveMw(eaa,old & ~mask);
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}
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if (flags.type!=t_CF) { flags.prev_type=flags.type;flags.type=t_CF; }
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break;
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}
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case 0xb4: /* LFS */
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{
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GetRMrw;GetEAa;
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@ -130,12 +274,20 @@ switch(Fetchb()) {
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else {GetEAa;*rmrw=LoadMb(eaa);}
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break;
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}
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case 0xb7: /* MOVZX Gw,Ew */
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case 0xbf: /* MOVSX Gw,Ew */
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{
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GetRMrw;
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if (rm >= 0xc0 ) {GetEArw;*rmrw=*earw;}
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else {GetEAa;*rmrw=LoadMw(eaa);}
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break;
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}
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case 0xba: /* GRP8 Ew,Ib */
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{
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GetRM;
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Bit16u mask=1 << (Fetchb() & 15);
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if (rm >= 0xc0 ) {
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GetEArw;
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Bit16u mask=1 << (Fetchb() & 15);
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flags.cf=(*earw & mask)>0;
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switch (rm & 0x38) {
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case 0x20: /* BT */
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@ -144,16 +296,14 @@ switch(Fetchb()) {
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*earw|=mask;
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break;
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case 0x30: /* BTR */
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*earw&=~mask;
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*earw&= ~mask;
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break;
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case 0x38: /* BTC */
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if (flags.cf) *earw&=~mask;
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else *earw|=mask;
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*earw^=mask;
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break;
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}
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} else {
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GetEAa;Bit16u old=LoadMw(eaa);
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Bit16u mask=1 << (Fetchb() & 15);
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flags.cf=(old & mask)>0;
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switch (rm & 0x38) {
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case 0x20: /* BT */
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@ -165,16 +315,31 @@ switch(Fetchb()) {
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SaveMw(eaa,old & ~mask);
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break;
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case 0x38: /* BTC */
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if (flags.cf) old&=~mask;
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else old|=mask;
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SaveMw(eaa,old);
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SaveMw(eaa,old ^ mask);
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break;
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}
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}
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if (flags.type!=t_CF) flags.prev_type=flags.type;
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flags.type=t_CF;
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if (flags.type!=t_CF) { flags.prev_type=flags.type;flags.type=t_CF; }
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break;
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}
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case 0xbb: /* BTC Ew,Gw */
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{
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GetRMrw;
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Bit16u mask=1 << (*rmrw & 15);
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if (rm >= 0xc0 ) {
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GetEArw;
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flags.cf=(*earw & mask)>0;
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*earw^=mask;
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} else {
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GetEAa;Bit16u old=LoadMw(eaa);
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flags.cf=(old & mask)>0;
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SaveMw(eaa,old ^ mask);
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}
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if (flags.type!=t_CF) { flags.prev_type=flags.type;flags.type=t_CF; }
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break;
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}
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/* 0xbc BSF Gw,Ew */
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/* 0xbd BSR Gw,Ew */
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case 0xbe: /* MOVSX Gw,Eb */
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{
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GetRMrw;
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@ -182,6 +347,39 @@ switch(Fetchb()) {
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else {GetEAa;*rmrw=LoadMbs(eaa);}
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break;
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}
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/* 0xc0 XADD Eb,Gb (486) */
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/* 0xc1 XADD Ew,Gw (486) */
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/* 0xc7 CMPXCHG8B Mq (P5) */
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/* 0xc8-cf BSWAP Rw (odd behavior,486) */
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/* 0xd1 PSRLW Rq,Eq (MMX) */
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/* 0xd2 PSRLD Rq,Eq (MMX) */
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/* 0xd3 PSRLQ Rq,Eq (MMX) */
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/* 0xd5 PMULLW Rq,Eq (MMX) */
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/* 0xd8 PSUBUSB Rq,Eq (MMX) */
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/* 0xd9 PSUBUSW Rq,Eq (MMX) */
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/* 0xdb PAND Rq,Eq (MMX) */
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/* 0xdc PADDUSB Rq,Eq (MMX) */
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/* 0xdd PADDUSW Rq,Eq (MMX) */
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/* 0xdf PANDN Rq,Eq (MMX) */
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/* 0xe1 PSRAW Rq,Eq (MMX) */
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/* 0xe2 PSRAD Rq,Eq (MMX) */
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/* 0xe5 PMULHW Rq,Eq (MMX) */
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/* 0xe8 PSUBSB Rq,Eq (MMX) */
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/* 0xe9 PSUBSW Rq,Eq (MMX) */
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/* 0xeb POR Rq,Eq (MMX) */
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/* 0xec PADDSB Rq,Eq (MMX) */
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/* 0xed PADDSW Rq,Eq (MMX) */
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/* 0xef PXOR Rq,Eq (MMX) */
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/* 0xf1 PSLLW Rq,Eq (MMX) */
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/* 0xf2 PSLLD Rq,Eq (MMX) */
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/* 0xf3 PSLLQ Rq,Eq (MMX) */
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/* 0xf5 PMADDWD Rq,Eq (MMX) */
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/* 0xf8 PSUBB Rq,Eq (MMX) */
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/* 0xf9 PSUBW Rq,Eq (MMX) */
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/* 0xfa PSUBD Rq,Eq (MMX) */
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/* 0xfc PADDB Rq,Eq (MMX) */
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/* 0xfd PADDW Rq,Eq (MMX) */
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/* 0xfe PADDD Rq,Eq (MMX) */
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default:
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SUBIP(1);
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E_Exit("CPU:Opcode 0F:%2X Unhandled",Fetchb());
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