RaySollium99/picodrive
1
0
Fork 0
mirror of https://github.com/RaySollium99/picodrive.git synced 2025-09-05 15:27:46 -04:00
Code Issues Projects Releases Packages Wiki Activity Actions

more MAME fixes, some optimization

Browse source 
git-svn-id: file:///home/notaz/opt/svn/PicoDrive@177 be3aeb3a-fb24-0410-a615-afba39da0efa
This commit is contained in:
notaz 2007-06-29 20:44:30 +00:00
parent 2c559c66ef
commit cfb3dfa0f2
10 changed files with 144 additions and 119 deletions
Download patch file Download diff file Expand all files Collapse all files

17
cpu/Cyclone/OpAny.cpp
View file

@ -25,16 +25,16 @@ void OpUse(int op,int use)
ot(";@ ---------- [%.4x] %s uses Op%.4x ----------\n",op,text,use);
}
void OpStart(int op, int ea)
void OpStart(int op, int sea, int tea)
{
Cycles=0;
OpUse(op,op); // This opcode obviously uses this handler
ot("Op%.4x%s\n", op, ms?"":":");
#if (MEMHANDLERS_NEED_PC || MEMHANDLERS_NEED_CYCLES)
if (ea >= 0x10 && ea != 0x3c) {
#if MEMHANDLERS_NEED_PC
#if (MEMHANDLERS_NEED_PREV_PC || MEMHANDLERS_NEED_CYCLES)
if ((sea >= 0x10 && sea != 0x3c) || (tea >= 0x10 && tea != 0x3c)) {
#if MEMHANDLERS_NEED_PREV_PC
ot(" sub r0,r4,#2\n");
ot(" str r0,[r7,#0x40] ;@ Save PC\n");
ot(" str r0,[r7,#0x50] ;@ Save prev PC\n");
#endif
#if MEMHANDLERS_NEED_CYCLES
ot(" str r5,[r7,#0x5c] ;@ Save Cycles\n");
@ -42,10 +42,15 @@ void OpStart(int op, int ea)
ot("\n");
}
#endif
pc_dirty = 1;
}
void OpEnd()
void OpEnd(int sea, int tea)
{
#if MEMHANDLERS_CHANGE_CYCLES
if ((sea >= 0x10 && sea != 0x3c) || (tea >= 0x10 && tea != 0x3c))
ot(" ldr r5,[r7,#0x5c] ;@ Load Cycles\n");
#endif
ot(" ldrh r8,[r4],#2 ;@ Fetch next opcode\n");
ot(" subs r5,r5,#%d ;@ Subtract cycles\n",Cycles);
ot(" ldrge pc,[r6,r8,asl #2] ;@ Jump to opcode handler\n");