diff options
Diffstat (limited to 'source/sa1.cpp')
| -rw-r--r-- | source/sa1.cpp | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/source/sa1.cpp b/source/sa1.cpp index 39b08bb..eb10d33 100644 --- a/source/sa1.cpp +++ b/source/sa1.cpp @@ -228,14 +228,23 @@ uint8 S9xSA1GetByte (uint32 address) #ifdef DEBUGGER // printf ("R(B) %06x\n", address); #endif +#ifndef NO_OPEN_BUS return OpenBus; +#else + return 0; // Arbitrarily chosen value [Neb] +#endif } } uint16 S9xSA1GetWord (uint32 address) { +#ifndef NO_OPEN_BUS OpenBus = S9xSA1GetByte (address); return (OpenBus | (S9xSA1GetByte (address + 1) << 8)); +#else + uint8 Split = S9xSA1GetByte (address); + return (Split | (S9xSA1GetByte (address + 1) << 8)); +#endif } void S9xSA1SetByte (uint8 byte, uint32 address) |