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fixed 24bit address space decoding

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This commit is contained in:
Claude
2020-11-22 07:38:21 +00:00
parent d1c89d46a2
commit adad9d239c
1 changed files with 7 additions and 7 deletions
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14
emulator.c
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@@ -319,7 +319,7 @@ const struct sched_param priority = {99};
m68k_pulse_reset();
while(42) {
m68k_execute(30000);
m68k_execute(3000);
if (GET_GPIO(1) == 0){
srdata = read_reg();
m68k_set_irq((srdata >> 13)&0xff);
@@ -364,7 +364,7 @@ unsigned int m68k_read_memory_8(unsigned int address){
return readGayleB(address);
}
if(address>FASTBASE){
if(address>FASTBASE && address<FASTBASE + FASTSIZE){
return g_ram[address- FASTBASE];
}
@@ -397,7 +397,7 @@ unsigned int m68k_read_memory_16(unsigned int address){
return readGayle(address);
}
if(address>FASTBASE){
if(address>FASTBASE && address<FASTBASE + FASTSIZE){
uint16_t value = *(uint16_t*)&g_ram[address- FASTBASE];
value = (value << 8) | (value >> 8);
return value;
@@ -435,7 +435,7 @@ unsigned int m68k_read_memory_32(unsigned int address){
return readGayleL(address);
}
if(address>FASTBASE){
if(address>FASTBASE && address<FASTBASE + FASTSIZE){
uint32_t value = *(uint32_t*)&g_ram[address- FASTBASE];
value = ((value << 8) & 0xFF00FF00 ) | ((value >> 8) & 0xFF00FF );
return value << 16 | value >> 16;
@@ -478,7 +478,7 @@ void m68k_write_memory_8(unsigned int address, unsigned int value){
}
if(address>FASTBASE){
if(address>FASTBASE && address<FASTBASE + FASTSIZE){
g_ram[address- FASTBASE] = value;
return;
}
@@ -503,7 +503,7 @@ void m68k_write_memory_16(unsigned int address, unsigned int value){
printf("16CIA Output:%x\n", value );
if(address>FASTBASE){
if(address>FASTBASE && address<FASTBASE + FASTSIZE ){
uint16_t* dest = (uint16_t*)&g_ram[address- FASTBASE];
value = (value << 8) | (value >> 8);
*dest = value;
@@ -524,7 +524,7 @@ void m68k_write_memory_32(unsigned int address, unsigned int value){
writeGayleL(address, value);
}
if(address>FASTBASE){
if(address>FASTBASE && address<FASTBASE + FASTSIZE ){
uint32_t* dest = (uint32_t*)&g_ram[address- FASTBASE];
value = ((value << 8) & 0xFF00FF00 ) | ((value >> 8) & 0xFF00FF );
value = value << 16 | value >> 16;