diff options
Diffstat (limited to 'source/cheats.c')
-rw-r--r-- | source/cheats.c | 271 |
1 files changed, 1 insertions, 270 deletions
diff --git a/source/cheats.c b/source/cheats.c index 1a5e833..572fd55 100644 --- a/source/cheats.c +++ b/source/cheats.c @@ -22,8 +22,7 @@ static bool S9xAllHex(const char* code, int32_t len) const char* S9xProActionReplayToRaw(const char* code, uint32_t* address, uint8_t* byte) { uint32_t data = 0; - if (strlen(code) != 8 || !S9xAllHex(code, 8) || - sscanf(code, "%x", &data) != 1) + if (strlen(code) != 8 || !S9xAllHex(code, 8) || sscanf(code, "%x", &data) != 1) return "Invalid Pro Action Replay code - should be 8 hex digits in length."; *address = data >> 8; @@ -100,271 +99,3 @@ const char* S9xGameGenieToRaw(const char* code, uint32_t* address, uint8_t* byte return NULL; } - -void S9xStartCheatSearch(SCheatData* d) -{ - // memmove may be required: Source is usually a different malloc, but could be pointed to d->CWRAM [Neb] - memmove(d->CWRAM, d->RAM, 0x20000); - // memmove may be required: Source is usually a different malloc, but could be pointed to d->CSRAM [Neb] - memmove(d->CSRAM, d->SRAM, 0x10000); - // memmove may be required: Source is usually a different malloc, but could be pointed to d->CIRAM [Neb] - memmove(d->CIRAM, &d->FillRAM [0x3000], 0x2000); - memset(d->WRAM_BITS, 0xff, 0x20000 >> 3); - memset(d->SRAM_BITS, 0xff, 0x10000 >> 3); - memset(d->IRAM_BITS, 0xff, 0x2000 >> 3); -} - -#define BIT_CLEAR(a,v) \ -(a)[(v) >> 5] &= ~(1 << ((v) & 31)) - -#define BIT_SET(a,v) \ -(a)[(v) >> 5] |= 1 << ((v) & 31) - -#define TEST_BIT(a,v) \ -((a)[(v) >> 5] & (1 << ((v) & 31))) - -#define CHEATS_C(c,a,b) \ -((c) == S9X_LESS_THAN ? (a) < (b) : \ - (c) == S9X_GREATER_THAN ? (a) > (b) : \ - (c) == S9X_LESS_THAN_OR_EQUAL ? (a) <= (b) : \ - (c) == S9X_GREATER_THAN_OR_EQUAL ? (a) >= (b) : \ - (c) == S9X_EQUAL ? (a) == (b) : \ - (a) != (b)) - -#define _D(s,m,o) \ -((s) == S9X_8_BITS ? (uint8_t) (*((m) + (o))) : \ - (s) == S9X_16_BITS ? ((uint16_t) (*((m) + (o)) + (*((m) + (o) + 1) << 8))) : \ - (s) == S9X_24_BITS ? ((uint32_t) (*((m) + (o)) + (*((m) + (o) + 1) << 8) + (*((m) + (o) + 2) << 16))) : \ -((uint32_t) (*((m) + (o)) + (*((m) + (o) + 1) << 8) + (*((m) + (o) + 2) << 16) + (*((m) + (o) + 3) << 24)))) - -#define _DS(s,m,o) \ -((s) == S9X_8_BITS ? ((int8_t) *((m) + (o))) : \ - (s) == S9X_16_BITS ? ((int16_t) (*((m) + (o)) + (*((m) + (o) + 1) << 8))) : \ - (s) == S9X_24_BITS ? (((int32_t) ((*((m) + (o)) + (*((m) + (o) + 1) << 8) + (*((m) + (o) + 2) << 16)) << 8)) >> 8): \ - ((int32_t) (*((m) + (o)) + (*((m) + (o) + 1) << 8) + (*((m) + (o) + 2) << 16) + (*((m) + (o) + 3) << 24)))) - -void S9xSearchForChange(SCheatData* d, S9xCheatComparisonType cmp, - S9xCheatDataSize size, bool is_signed, bool update) -{ - int32_t l; - int32_t i; - - switch (size) - { - case S9X_8_BITS: - l = 0; - break; - case S9X_16_BITS: - l = 1; - break; - case S9X_24_BITS: - l = 2; - break; - default: - case S9X_32_BITS: - l = 3; - break; - } - - if (is_signed) - { - for (i = 0; i < 0x20000 - l; i++) - { - if (TEST_BIT(d->WRAM_BITS, i) && - CHEATS_C(cmp, _DS(size, d->RAM, i), _DS(size, d->CWRAM, i))) - { - if (update) - d->CWRAM [i] = d->RAM [i]; - } - else - BIT_CLEAR(d->WRAM_BITS, i); - } - - for (i = 0; i < 0x10000 - l; i++) - { - if (TEST_BIT(d->SRAM_BITS, i) && - CHEATS_C(cmp, _DS(size, d->SRAM, i), _DS(size, d->CSRAM, i))) - { - if (update) - d->CSRAM [i] = d->SRAM [i]; - } - else - BIT_CLEAR(d->SRAM_BITS, i); - } - - for (i = 0; i < 0x2000 - l; i++) - { - if (TEST_BIT(d->IRAM_BITS, i) && - CHEATS_C(cmp, _DS(size, d->FillRAM + 0x3000, i), _DS(size, d->CIRAM, i))) - { - if (update) - d->CIRAM [i] = d->FillRAM [i + 0x3000]; - } - else - BIT_CLEAR(d->IRAM_BITS, i); - } - } - else - { - for (i = 0; i < 0x20000 - l; i++) - { - if (TEST_BIT(d->WRAM_BITS, i) && - CHEATS_C(cmp, _D(size, d->RAM, i), _D(size, d->CWRAM, i))) - { - if (update) - d->CWRAM [i] = d->RAM [i]; - } - else - BIT_CLEAR(d->WRAM_BITS, i); - } - - for (i = 0; i < 0x10000 - l; i++) - { - if (TEST_BIT(d->SRAM_BITS, i) && - CHEATS_C(cmp, _D(size, d->SRAM, i), _D(size, d->CSRAM, i))) - { - if (update) - d->CSRAM [i] = d->SRAM [i]; - } - else - BIT_CLEAR(d->SRAM_BITS, i); - } - - for (i = 0; i < 0x2000 - l; i++) - { - if (TEST_BIT(d->IRAM_BITS, i) && - CHEATS_C(cmp, _D(size, d->FillRAM + 0x3000, i), _D(size, d->CIRAM, i))) - { - if (update) - d->CIRAM [i] = d->FillRAM [i + 0x3000]; - } - else - BIT_CLEAR(d->IRAM_BITS, i); - } - } -} - -void S9xSearchForValue(SCheatData* d, S9xCheatComparisonType cmp, - S9xCheatDataSize size, uint32_t value, - bool is_signed, bool update) -{ - int32_t l; - int32_t i; - - switch (size) - { - case S9X_8_BITS: - l = 0; - break; - case S9X_16_BITS: - l = 1; - break; - case S9X_24_BITS: - l = 2; - break; - default: - case S9X_32_BITS: - l = 3; - break; - } - - - if (is_signed) - { - for (i = 0; i < 0x20000 - l; i++) - { - if (TEST_BIT(d->WRAM_BITS, i) && - CHEATS_C(cmp, _DS(size, d->RAM, i), (int32_t) value)) - { - if (update) - d->CWRAM [i] = d->RAM [i]; - } - else - BIT_CLEAR(d->WRAM_BITS, i); - } - - for (i = 0; i < 0x10000 - l; i++) - { - if (TEST_BIT(d->SRAM_BITS, i) && - CHEATS_C(cmp, _DS(size, d->SRAM, i), (int32_t) value)) - { - if (update) - d->CSRAM [i] = d->SRAM [i]; - } - else - BIT_CLEAR(d->SRAM_BITS, i); - } - - for (i = 0; i < 0x2000 - l; i++) - { - if (TEST_BIT(d->IRAM_BITS, i) && - CHEATS_C(cmp, _DS(size, d->FillRAM + 0x3000, i), (int32_t) value)) - { - if (update) - d->CIRAM [i] = d->FillRAM [i + 0x3000]; - } - else - BIT_CLEAR(d->IRAM_BITS, i); - } - } - else - { - for (i = 0; i < 0x20000 - l; i++) - { - if (TEST_BIT(d->WRAM_BITS, i) && - CHEATS_C(cmp, _D(size, d->RAM, i), value)) - { - if (update) - d->CWRAM [i] = d->RAM [i]; - } - else - BIT_CLEAR(d->WRAM_BITS, i); - } - - for (i = 0; i < 0x10000 - l; i++) - { - if (TEST_BIT(d->SRAM_BITS, i) && - CHEATS_C(cmp, _D(size, d->SRAM, i), value)) - { - if (update) - d->CSRAM [i] = d->SRAM [i]; - } - else - BIT_CLEAR(d->SRAM_BITS, i); - } - - for (i = 0; i < 0x2000 - l; i++) - { - if (TEST_BIT(d->IRAM_BITS, i) && - CHEATS_C(cmp, _D(size, d->FillRAM + 0x3000, i), value)) - { - if (update) - d->CIRAM [i] = d->FillRAM [i + 0x3000]; - } - else - BIT_CLEAR(d->IRAM_BITS, i); - } - } -} - -void S9xOutputCheatSearchResults(SCheatData* d) -{ - int32_t i; - for (i = 0; i < 0x20000; i++) - { - if (TEST_BIT(d->WRAM_BITS, i)) - printf("WRAM: %05x: %02x\n", i, d->RAM [i]); - } - - for (i = 0; i < 0x10000; i++) - { - if (TEST_BIT(d->SRAM_BITS, i)) - printf("SRAM: %04x: %02x\n", i, d->SRAM [i]); - } - - for (i = 0; i < 0x2000; i++) - { - if (TEST_BIT(d->IRAM_BITS, i)) - printf("IRAM: %05x: %02x\n", i, d->FillRAM [i + 0x3000]); - } -} |