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Add support for single-line cheats and PAR codes.

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notaz: include required header
This commit is contained in:
iLag 2017-03-22 14:19:35 -07:00 • committed by notaz
parent 9e38b1f0d6
commit 8655fd0462
1 changed files with 13 additions and 2 deletions
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15
pico/patch.c
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@ -22,6 +22,7 @@
*/ */
#include "pico_int.h" #include "pico_int.h"
#include "memory.h"
#include "patch.h" #include "patch.h"
struct patch struct patch
@ -142,7 +143,7 @@ static void hex_decode(const char *code, struct patch *result)
/* THIS is the function you call from the MegaDrive or whatever. This figures /* THIS is the function you call from the MegaDrive or whatever. This figures
* out whether it's a genie or hex code, depunctuates it, and calls the proper * out whether it's a genie or hex code, depunctuates it, and calls the proper
* decoder. */ * decoder. */
static void decode(const char* code, struct patch* result) void decode(const char* code, struct patch* result)
{ {
int len = strlen(code), i, j; int len = strlen(code), i, j;
char code_to_pass[16], *x; char code_to_pass[16], *x;
@ -299,6 +300,8 @@ void PicoPatchPrepare(void)
PicoPatches[i].addr &= ~1; PicoPatches[i].addr &= ~1;
if (PicoPatches[i].addr < Pico.romsize) if (PicoPatches[i].addr < Pico.romsize)
PicoPatches[i].data_old = *(unsigned short *)(Pico.rom + PicoPatches[i].addr); PicoPatches[i].data_old = *(unsigned short *)(Pico.rom + PicoPatches[i].addr);
else
PicoPatches[i].data_old = (unsigned short) m68k_read16(PicoPatches[i].addr);
if (strstr(PicoPatches[i].name, "AUTO")) if (strstr(PicoPatches[i].name, "AUTO"))
PicoPatches[i].active = 1; PicoPatches[i].active = 1;
} }
@ -328,7 +331,15 @@ void PicoPatchApply(void)
} }
else else
{ {
/* TODO? */ if (PicoPatches[i].active)
m68k_write16(PicoPatches[i].addr,PicoPatches[i].data);
else {
// if current addr is not patched by older patch, write back original val
for (u = 0; u < i; u++)
if (PicoPatches[u].addr == addr) break;
if (u == i)
m68k_write16(PicoPatches[i].addr,PicoPatches[i].data_old);
}
} }
} }
} }