goto read_value;
break;
case MAPTYPE_RAM:
+ case MAPTYPE_RAM_WTC:
+ case MAPTYPE_RAM_NOALLOC:
read_addr = cfg->map_data[i] + (addr - cfg->map_offset[i]);
goto read_value;
break;
return -1;
read_value:;
- //printf("Read value from %.8X\n", addr);
switch(type) {
case OP_TYPE_BYTE:
*val = read_addr[0];
}
inline int handle_mapped_write(struct emulator_config *cfg, unsigned int addr, unsigned int value, unsigned char type) {
+ int res = -1;
unsigned char *write_addr = NULL;
for (int i = 0; i < MAX_NUM_MAPPED_ITEMS; i++) {
else if (CHKRANGE_ABS(addr, cfg->map_offset[i], cfg->map_high[i])) {
switch(cfg->map_type[i]) {
case MAPTYPE_ROM:
- return 1;
+ res = 1;
break;
case MAPTYPE_RAM:
+ case MAPTYPE_RAM_NOALLOC:
write_addr = cfg->map_data[i] + (addr - cfg->map_offset[i]);
+ res = 1;
+ goto write_value;
+ break;
+ case MAPTYPE_RAM_WTC:
+ write_addr = cfg->map_data[i] + (addr - cfg->map_offset[i]);
+ res = -1;
goto write_value;
break;
case MAPTYPE_REGISTER:
}
}
- return -1;
+ return res;
write_value:;
- //printf("Write value to %.8X\n", addr);
switch(type) {
case OP_TYPE_BYTE:
write_addr[0] = (unsigned char)value;
- return 1;
+ return res;
break;
case OP_TYPE_WORD:
((short *)write_addr)[0] = htobe16(value);
- return 1;
+ return res;
break;
case OP_TYPE_LONGWORD:
((int *)write_addr)[0] = htobe32(value);
- return 1;
+ return res;
break;
case OP_TYPE_MEM:
return -1;
break;
}
- return 1;
+ // This should never actually happen.
+ return res;
}