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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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28
cpu/Cyclone/OpBranch.cpp
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@ -58,7 +58,9 @@ static void PopPc()
MemHandler(0,2);
ot(" add r4,r0,r10 ;@ r4=Memory Base+PC\n");
ot("\n");
#if USE_CHECKPC_CALLBACK
CheckPc();
#endif
}
int OpTrap(int op)
@ -68,7 +70,7 @@ int OpTrap(int op)
use=op&~0xf;
if (op!=use) { OpUse(op,use); return 0; } // Use existing handler
OpStart(op);
OpStart(op,0x10);
ot(" and r0,r8,#0xf ;@ Get trap number\n");
ot(" orr r0,r0,#0x20\n");
ot(" mov r0,r0,asl #2\n");
@ -90,7 +92,7 @@ int OpLink(int op)
if (reg==7) use=op;
if (op!=use) { OpUse(op,use); return 0; } // Use existing handler
OpStart(op);
OpStart(op,0x10);
if(reg!=7) {
ot(";@ Get An\n");
@ -132,7 +134,7 @@ int OpUnlk(int op)
use=op&~7;
if (op!=use) { OpUse(op,use); return 0; } // Use existing handler
OpStart(op);
OpStart(op,0x10);
ot(";@ Get An\n");
EaCalc(10, 7, 8, 2, 1);
@ -168,27 +170,27 @@ int Op4E70(int op)
OpEnd();
return 0;
case 3: // rte
OpStart(op); Cycles=20;
SuperCheck(op);
case 3: // rte
OpStart(op,0x10); Cycles=20;
SuperCheck(op);
PopSr(1);
ot(" ldr r10,[r7,#0x60] ;@ Get Memory base\n");
PopPc();
SuperChange(op);
SuperChange(op);
CheckInterrupt(op);
OpEnd();
SuperEnd(op);
SuperEnd(op);
return 0;
case 5: // rts
OpStart(op); Cycles=16;
OpStart(op,0x10); Cycles=16;
ot(" ldr r10,[r7,#0x60] ;@ Get Memory base\n");
PopPc();
OpEnd();
return 0;
case 6: // trapv
OpStart(op); Cycles=4;
OpStart(op,0x10); Cycles=4;
ot(" tst r9,#0x10000000\n");
ot(" subne r5,r5,#%i\n",30);
ot(" movne r0,#0x1c ;@ TRAPV exception\n");
@ -197,7 +199,7 @@ int Op4E70(int op)
return 0;
case 7: // rtr
OpStart(op); Cycles=20;
OpStart(op,0x10); Cycles=20;
PopSr(0);
ot(" ldr r10,[r7,#0x60] ;@ Get Memory base\n");
PopPc();
@ -224,7 +226,7 @@ int OpJsr(int op)
use=OpBase(op);
if (op!=use) { OpUse(op,use); return 0; } // Use existing handler
OpStart(op);
OpStart(op,0x10);
ot(" ldr r10,[r7,#0x60] ;@ Get Memory base\n");
ot("\n");
@ -352,7 +354,7 @@ int OpBranch(int op)
else use=(op&0xff00)+1; // Use same opcode for all 8-bit branches
if (op!=use) { OpUse(op,use); return 0; } // Use existing handler
OpStart(op);
OpStart(op,size?0x10:0);
ot(";@ Get Branch offset:\n");
if (size)