diff options
Diffstat (limited to 'source/cheats2.cpp')
| -rw-r--r-- | source/cheats2.cpp | 29 |
1 files changed, 16 insertions, 13 deletions
diff --git a/source/cheats2.cpp b/source/cheats2.cpp index 8d81d6d..e5a7b0f 100644 --- a/source/cheats2.cpp +++ b/source/cheats2.cpp @@ -171,6 +171,8 @@ void S9xRemoveCheat (uint32 which1) *(ptr + (address & 0xffff)) = Cheat.c [which1].saved_byte; else S9xSetByte (Cheat.c [which1].saved_byte, address); + // Unsave the address for the next call to S9xRemoveCheat. + Cheat.c [which1].saved = FALSE; } } @@ -213,20 +215,24 @@ bool8 S9xLoadCheatFile (const char *filename) Cheat.num_cheats = 0; FILE *fs = fopen (filename, "rb"); - uint8 data [28]; + uint8 data [8 + MAX_SFCCHEAT_NAME]; if (!fs) return (FALSE); - while (fread ((void *) data, 1, 28, fs) == 28) + while (fread ((void *) data, 1, 8 + MAX_SFCCHEAT_NAME, fs) == 8 + MAX_SFCCHEAT_NAME) { + if (data[6] != 254 || data[7] != 252) { + fclose (fs); + return (FALSE); + } Cheat.c [Cheat.num_cheats].enabled = (data [0] & 4) == 0; Cheat.c [Cheat.num_cheats].byte = data [1]; Cheat.c [Cheat.num_cheats].address = data [2] | (data [3] << 8) | (data [4] << 16); Cheat.c [Cheat.num_cheats].saved_byte = data [5]; Cheat.c [Cheat.num_cheats].saved = (data [0] & 8) != 0; - memmove (Cheat.c [Cheat.num_cheats].name, &data [8], 20); - Cheat.c [Cheat.num_cheats++].name [20] = 0; + memcpy (Cheat.c [Cheat.num_cheats].name, &data [8], MAX_SFCCHEAT_NAME - 1); + Cheat.c [Cheat.num_cheats++].name [MAX_SFCCHEAT_NAME - 1] = 0; } fclose (fs); @@ -242,7 +248,7 @@ bool8 S9xSaveCheatFile (const char *filename) } FILE *fs = fopen (filename, "wb"); - uint8 data [28]; + uint8 data [8 + MAX_SFCCHEAT_NAME]; if (!fs) return (FALSE); @@ -250,12 +256,9 @@ bool8 S9xSaveCheatFile (const char *filename) uint32 i; for (i = 0; i < Cheat.num_cheats; i++) { - memset (data, 0, 28); - if (i == 0) - { - data [6] = 254; - data [7] = 252; - } + memset (data, 0, 8 + MAX_SFCCHEAT_NAME); + data [6] = 254; + data [7] = 252; if (!Cheat.c [i].enabled) data [0] |= 4; @@ -268,8 +271,8 @@ bool8 S9xSaveCheatFile (const char *filename) data [4] = (uint8) (Cheat.c [i].address >> 16); data [5] = Cheat.c [i].saved_byte; - memmove (&data [8], Cheat.c [i].name, 19); - if (fwrite (data, 28, 1, fs) != 1) + memcpy (&data [8], Cheat.c [i].name, MAX_SFCCHEAT_NAME - 1); + if (fwrite (data, 8 + MAX_SFCCHEAT_NAME, 1, fs) != 1) { fclose (fs); return (FALSE); |