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desmume
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- added full Action Replay code parser; (hooks not need...?)

This commit is contained in:
mtabachenko 2009-04-26 11:26:20 +00:00
parent 7704d2fd80
commit ff59371827
2 changed files with 62 additions and 123 deletions
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4
desmume/ChangeLog
View File

@ -1,10 +1,14 @@
0.9.2 -> 0.9.3
General/Core:
bug: fixed 64 bit issues and misc integer types usage cleanup [ldesnogues, rm]
enh: added Action Replay code parser [CrazyMax]
Gtk frontend:
enh: switch all of menu/toolbar system to GtkAction + GtkUIManager [matusz]
enh: remove the gtglext 3d code [rm]
Windows:
bug: fixed many bugs in Cheats [CrazyMax]
0.9.1 -> 0.9.2
General/Core:
bug: fix error in SBCS/RSCS flags; fixes many odd behaviors and crashes [zeromus]

171
desmume/src/cheatSystem.cpp
View File

@ -28,8 +28,6 @@
#include "MMU.h"
#include "debug.h"
//#define AR_DISASM 1
static CHEATS_LIST cheats[MAX_CHEAT_LIST];
static u16 cheatsNum = 0;
static u8 cheatFilename[MAX_PATH];
@ -85,86 +83,6 @@ BOOL cheatsUpdate(u8 size, u32 address, u32 val, char *description, BOOL enabled
return TRUE;
}
#ifdef AR_DISASM
void cheatsDisassemble_AR(u32 hi, u32 lo)
{
u8 type = (hi >> 28);
u32 hi_save = hi;
hi &= 0x0FFFFFFF;
switch (type)
{
case 0x00:
if (hi==0)
INFO("AR: manual hook\n");
else
if ((hi==0x0000AA99) && (lo=0))
INFO("AR: parameter bytes 9..10 for above code (padded with 00s)\n");
else
INFO("AR: word [%07X+offset] = %08X\n", hi, lo);
break;
case 0x01: INFO("AR: half [%07X+offset] = %04X\n", hi, lo & 0xFFFF); break;
case 0x02: INFO("AR: byte [%07X+offset] = %02X\n", hi, lo & 0xFF); break;
case 0x03: INFO("AR: IF %08X > word[%07X] ; unsigned\n", lo, hi); break;
case 0x04:
{
if ((hi == 04332211) && (lo == 88776655))
{
INFO("AR: parameter bytes 1..8 for above code (example)\n");
}
else
INFO("AR: IF %08X < word[%07X] ; unsigned\n", lo, hi);
}
break;
case 0x05: INFO("AR: IF %08X = word[%07X]\n", lo, hi); break;
case 0x06: INFO("AR: IF %08X <> word[%07X]\n", lo, hi); break;
case 0x07: INFO("AR: IF %04X > ((not %04X) AND half[%07X])\n", (lo & 0xF), (lo >> 16), hi); break;
case 0x08: INFO("AR: IF %04X < ((not %04X) AND half[%07X])\n", (lo & 0xF), (lo >> 16), hi); break;
case 0x09: INFO("AR: IF %04X = ((not %04X) AND half[%07X])\n", (lo & 0xF), (lo >> 16), hi); break;
case 0x0A: INFO("AR: IF %04X <> ((not %04X) AND half[%07X])\n",(lo & 0xF), (lo >> 16), hi); break;
case 0x0B: INFO("AR: offset = word[%07X + %07X]\n", hi, 0); break;
case 0x0C:
{
switch (hi >> 24)
{
case 0x0:INFO("AR: FOR loopcount=0 to %08X ;execute %08X times\n", lo, (lo+1)); break;
case 0x2:INFO("AR: offset = address of the C4000000 code ???\n");break;
case 0x5:INFO("AR: counter=counter+1, IF (counter AND %04X) = %04X\n", (lo >> 4), (lo &0xF));break;
case 0x6:INFO("AR: [%07X]=offset\n", lo);break;
default: INFO("AR: ERROR uknown command 0x%2X at %08X:%08X\n", type, hi, lo); break;
}
}
break;
case 0x0D:
{
switch (hi >> 24)
{
case 0x0:INFO("AR: ENDIF\n");break;
case 0x1:INFO("AR: NEXT loopcount\n");break;
case 0x2:INFO("AR: NEXT loopcount & Flush\n");break;
case 0x3:INFO("AR: offset = %07X\n", lo);break;
case 0x4:INFO("AR: datareg = datareg + %07X\n", lo);break;
case 0x5:INFO("AR: datareg = %07X\n",lo);break;
case 0x6:INFO("AR: word[%07X+offset] = datareg, offset=offset+4\n", lo);break;
case 0x7:INFO("AR: half[%07X+offset] = datareg, offset=offset+2\n", lo);break;
case 0x8:INFO("AR: byte[%07X+offset] = datareg, offset=offset+1\n", lo);break;
case 0x9:INFO("AR: datareg = word[%08X+offset]\n", lo);break;
case 0xA:INFO("AR: datareg = half[%08X+offset]\n", lo);break;
case 0xB:INFO("AR: datareg = byte[%08X+offset]\n", lo);break;
case 0xC:INFO("AR: offset = offset + %08X\n", lo);break;
default: INFO("AR: ERROR uknown command 0x%2X at %08X:%08X\n", type, hi, lo); break;
}
}
break;
case 0x0E: INFO("AR: copy %08X parameter bytes to [%08X + %07X...]\n", lo, hi, 0); break;
case 0x0F: INFO("AR: copy %08X bytes from [%07X...] to [%07X...]\n", lo, 0, hi); break;
default: INFO("AR: ERROR uknown command 0x%2X at %08X:%08X\n", type, hi, lo); break;
}
}
#endif
static void cheats_ARparser(CHEATS_LIST cheat)
{
u8 type = 0;
@ -179,6 +97,8 @@ static void cheats_ARparser(CHEATS_LIST cheat)
u32 loopcount = 0;
u32 counter = 0;
u32 if_flag = 0;
s32 loopbackline = 0;
u32 loop_flag = 0;
for (int i=0; i < cheat.num; i++)
{
@ -187,19 +107,23 @@ static void cheats_ARparser(CHEATS_LIST cheat)
hi = cheat.hi[i] & 0x0FFFFFFF;
lo = cheat.lo[i];
#ifdef AR_DISASM
cheatsDisassemble_AR(cheat.hi[i], cheat.lo[i]);
#endif
if (if_flag > 0)
{
if ( (type == 0x0D) && (subtype == 0)) if_flag--; // ENDIF
if ( (type == 0x0D) && (subtype == 2)) // NEXT & Flush
{
if (loop_flag)
i = (loopbackline-1);
else
{
offset = 0;
datareg = 0;
loopcount = 0;
counter = 0;
if_flag = 0;
loop_flag = 0;
}
}
continue;
}
@ -244,10 +168,6 @@ static void cheats_ARparser(CHEATS_LIST cheat)
else
{
if_flag++;
if (if_flag > 32)
{
LOG("AR: error in 'if' expression (type %i)\n", type);
}
}
break;
@ -260,10 +180,6 @@ static void cheats_ARparser(CHEATS_LIST cheat)
else
{
if_flag++;
if (if_flag > 32)
{
LOG("AR: error in 'if' expression (type %i)\n", type);
}
}
break;
@ -276,10 +192,6 @@ static void cheats_ARparser(CHEATS_LIST cheat)
else
{
if_flag++;
if (if_flag > 32)
{
LOG("AR: error in 'if' expression (type %i)\n", type);
}
}
break;
@ -292,10 +204,6 @@ static void cheats_ARparser(CHEATS_LIST cheat)
else
{
if_flag++;
if (if_flag > 32)
{
LOG("AR: error in 'if' expression (type %i)\n", type);
}
}
break;
@ -308,10 +216,6 @@ static void cheats_ARparser(CHEATS_LIST cheat)
else
{
if_flag++;
if (if_flag > 32)
{
LOG("AR: error in 'if' expression (type %i)\n", type);
}
}
break;
@ -324,10 +228,6 @@ static void cheats_ARparser(CHEATS_LIST cheat)
else
{
if_flag++;
if (if_flag > 32)
{
LOG("AR: error in 'if' expression (type %i)\n", type);
}
}
break;
@ -340,10 +240,6 @@ static void cheats_ARparser(CHEATS_LIST cheat)
else
{
if_flag++;
if (if_flag > 32)
{
LOG("AR: error in 'if' expression (type %i)\n", type);
}
}
break;
@ -356,10 +252,6 @@ static void cheats_ARparser(CHEATS_LIST cheat)
else
{
if_flag++;
if (if_flag > 32)
{
LOG("AR: error in 'if' expression (type %i)\n", type);
}
}
break;
@ -372,15 +264,32 @@ static void cheats_ARparser(CHEATS_LIST cheat)
switch (subtype)
{
case 0x0:
loopcount++;
loopbackline = i;
if (loopcount < (lo+1))
loop_flag = 1;
else
loop_flag = 0;
if (loopcount == 1)
break;
case 0x4:
break;
case 0x5:
counter++;
if ( (counter & (lo & 0xFFFF)) == ((lo >> 8) & 0xFFFF) )
{
if (if_flag > 0) if_flag--;
}
else
{
if_flag++;
}
break;
case 0x6:
T1WriteLong(MMU.MMU_MEM[ARMCPU_ARM9][lo>>20], lo & MMU.MMU_MASK[ARMCPU_ARM9][lo>>20], offset);
break;
}
break;
@ -390,8 +299,25 @@ static void cheats_ARparser(CHEATS_LIST cheat)
switch (subtype)
{
case 0x0:
break;
case 0x1:
if (loop_flag)
i = (loopbackline-1);
break;
case 0x2:
if (loop_flag)
i = (loopbackline-1);
else
{
offset = 0;
datareg = 0;
loopcount = 0;
counter = 0;
if_flag = 0;
loop_flag = 0;
}
break;
case 0x3:
@ -447,11 +373,20 @@ static void cheats_ARparser(CHEATS_LIST cheat)
break;
case 0xE:
for (u32 t = 0; t < lo; t++)
{
u8 tmp = T1ReadByte(MMU.MMU_MEM[ARMCPU_ARM9][(hi+t)>>20], (hi+t) & MMU.MMU_MASK[ARMCPU_ARM9][(hi+t)>>20]);
T1WriteByte(MMU.MMU_MEM[ARMCPU_ARM9][(offset+t)>>20], (offset+t) & MMU.MMU_MASK[ARMCPU_ARM9][(offset+t)>>20], tmp);
}
break;
case 0xF:
for (u32 t = 0; t < lo; t++)
{
u8 tmp = T1ReadByte(MMU.MMU_MEM[ARMCPU_ARM9][(offset+t)>>20], (offset+t) & MMU.MMU_MASK[ARMCPU_ARM9][(offset+t)>>20]);
T1WriteByte(MMU.MMU_MEM[ARMCPU_ARM9][(hi+t)>>20], (hi+t) & MMU.MMU_MASK[ARMCPU_ARM9][(hi+t)>>20], tmp);
}
break;
//default: INFO("AR: ERROR uknown command 0x%2X at %08X:%08X\n", type, hi, lo); break;
}
}