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adjustments for MAME

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git-svn-id: file:///home/notaz/opt/svn/PicoDrive@164 be3aeb3a-fb24-0410-a615-afba39da0efa
This commit is contained in:
notaz 2007-06-17 12:24:13 +00:00
parent e362c57310
commit a67855765d
9 changed files with 245 additions and 216 deletions
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26
cpu/Cyclone/OpLogic.cpp
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@ -27,7 +27,7 @@ int OpBtstReg(int op)
use&=~0x0e00; // Use same handler for all registers
if (op!=use) { OpUse(op,use); return 0; } // Use existing handler
OpStart(op);
OpStart(op,tea);
if(type==1||type==3) {
Cycles=8;
@ -88,7 +88,7 @@ int OpBtstImm(int op)
use=OpBase(op);
if (op!=use) { OpUse(op,use); return 0; } // Use existing handler
OpStart(op);
OpStart(op,sea|tea);
ot(" mov r10,#1\n");
ot("\n");
@ -145,7 +145,7 @@ int OpNeg(int op)
use=OpBase(op);
if (op!=use) { OpUse(op,use); return 0; } // Use existing handler
OpStart(op); Cycles=size<2?4:6;
OpStart(op,ea); Cycles=size<2?4:6;
if(ea >= 0x10) {
Cycles*=2;
#ifdef CYCLONE_FOR_GENESIS
@ -170,10 +170,10 @@ int OpNeg(int op)
ot(" orr r3,r9,#0xb0000000 ;@ for old Z\n");
OpGetFlags(1,1,0);
if(size!=2) {
ot(" movs r1,r1,asr #%i\n",size?16:24);
ot(" movs r1,r1,asr #%i\n",size?16:24);
ot(" orreq r9,r9,#0x40000000 ;@ possily missed Z\n");
}
ot(" andeq r9,r9,r3 ;@ fix Z\n");
}
ot(" andeq r9,r9,r3 ;@ fix Z\n");
ot("\n");
}
@ -254,7 +254,7 @@ int OpTst(int op)
use=OpBase(op);
if (op!=use) { OpUse(op,use); return 0; } // Use existing handler
OpStart(op); Cycles=4;
OpStart(op,sea); Cycles=4;
EaCalc ( 0,0x003f,sea,size,1);
EaRead ( 0, 0,sea,size,0x003f,1);
@ -322,7 +322,7 @@ int OpSet(int op)
use=OpBase(op);
if (op!=use) { OpUse(op,use); return 0; } // Use existing handler
OpStart(op); Cycles=8;
OpStart(op,ea); Cycles=8;
if (ea<8) Cycles=4;
ot(" mov r1,#0\n");
@ -429,9 +429,9 @@ static int EmitAsr(int op,int type,int dir,int count,int size,int usereg)
if(count == 1) {
if(dir==0) {
if(size!=2) {
ot(" orr r0,r0,r0,lsr #%i\n", size?16:24);
ot(" bic r0,r0,#0x%x\n", 1<<(32-wide));
}
ot(" orr r0,r0,r0,lsr #%i\n", size?16:24);
ot(" bic r0,r0,#0x%x\n", 1<<(32-wide));
}
GetXBit(0);
ot(" movs r0,r0,rrx\n");
OpGetFlags(0,1);
@ -619,7 +619,7 @@ int OpAsrEa(int op)
use=OpBase(op);
if (op!=use) { OpUse(op,use); return 0; } // Use existing handler
OpStart(op); Cycles=6; // EmitAsr() will add 2
OpStart(op,ea); Cycles=6; // EmitAsr() will add 2
EaCalc (10,0x003f,ea,size,1);
EaRead (10, 0,ea,size,0x003f,1);
@ -645,7 +645,7 @@ int OpTas(int op, int gen_special)
use=OpBase(op);
if (op!=use) { OpUse(op,use); return 0; } // Use existing handler
if (!gen_special) OpStart(op);
if (!gen_special) OpStart(op,ea);
else
ot("Op%.4x_%s\n", op, ms?"":":");