diff options
Diffstat (limited to 'cheats.c')
| -rw-r--r-- | cheats.c | 27 |
1 files changed, 22 insertions, 5 deletions
@@ -33,6 +33,19 @@ cheat_type cheats[MAX_CHEATS]; u32 max_cheat = 0; u32 cheat_master_hook = 0xffffffff; +static bool has_encrypted_codebreaker(cheat_type *cheat) +{ + int i; + for(i = 0; i < cheat->cheat_count; i++) + { + u32 code = cheat->codes[i].address; + u32 opcode = code >> 28; + if (opcode == 9) + return true; + } + return false; +} + static void update_hook_codebreaker(cheat_type *cheat) { int i; @@ -103,7 +116,7 @@ static void process_cheat_codebreaker(cheat_type *cheat, u16 pad) bvalue = cheat->codes[i].address >> (24 - off*8); break; case 4 ... 5: - bvalue = cheat->codes[i].address >> (40 - off*8); + bvalue = cheat->codes[i].value >> (40 - off*8); break; }; write_memory8(address, bvalue); @@ -192,7 +205,7 @@ void cheat_clear() cheat_master_hook = 0xffffffff; } -void cheat_parse(unsigned index, const char *code) +cheat_error cheat_parse(unsigned index, const char *code) { int pos = 0; int codelen = strlen(code); @@ -200,9 +213,9 @@ void cheat_parse(unsigned index, const char *code) char buf[1024]; if (index >= MAX_CHEATS) - return; + return CheatErrorTooMany; if (codelen >= sizeof(buf)) - return; + return CheatErrorTooBig; memcpy(buf, code, codelen+1); @@ -236,13 +249,17 @@ void cheat_parse(unsigned index, const char *code) if (pos >= codelen) { + /* Check whether these cheats are readable */ + if (has_encrypted_codebreaker(ch)) + return CheatErrorEncrypted; /* All codes were parsed! Process hook here */ ch->cheat_active = true; update_hook_codebreaker(ch); - return; + return CheatNoError; } /* TODO parse other types here */ + return CheatErrorNotSupported; } |