git.sesse.net Git - pistorm/blob - registers/registers_amiga.c

   1 #include "../Gayle.h"
   2 #include "../config_file/config_file.h"
   3
   4 #define GAYLEBASE 0xD80000  // D7FFFF
   5 #define GAYLESIZE 0x6FFFF
   6
   7 int handle_register_read(unsigned int addr, unsigned char type, unsigned int *val) {
   8     if (addr > GAYLEBASE && addr < GAYLEBASE + GAYLESIZE) {
   9         switch(type) {
  10         case OP_TYPE_BYTE:
  11             *val = readGayleB(addr);
  12             return 1;
  13             break;
  14         case OP_TYPE_WORD:
  15             *val = readGayle(addr);
  16             return 1;
  17             break;
  18         case OP_TYPE_LONGWORD:
  19             *val = readGayleL(addr);
  20             return 1;
  21             break;
  22         case OP_TYPE_MEM:
  23             return -1;
  24             break;
  25         }
  26     }
  27     return -1;
  28 }
  29
  30 int handle_register_write(unsigned int addr, unsigned int value, unsigned char type) {
  31     if (addr > GAYLEBASE && addr < GAYLEBASE + GAYLESIZE) {
  32         switch(type) {
  33         case OP_TYPE_BYTE:
  34             writeGayleB(addr, value);
  35             return 1;
  36             break;
  37         case OP_TYPE_WORD:
  38             writeGayle(addr, value);
  39             return 1;
  40             break;
  41         case OP_TYPE_LONGWORD:
  42             writeGayleL(addr, value);
  43             return 1;
  44             break;
  45         case OP_TYPE_MEM:
  46             return -1;
  47             break;
  48         }
  49     }
  50     return -1;
  51 }