git.sesse.net Git - pistorm/blob - platforms/amiga/pistorm-dev/pistorm-dev.c

   1 // SPDX-License-Identifier: MIT
   2
   3 #include "pistorm-dev.h"
   4 #include "pistorm-dev-enums.h"
   5 #include <stdio.h>
   6
   7 #define DEBUG_PISTORM_DEVICE
   8
   9 #ifdef DEBUG_PISTORM_DEVICE
  10 #define DEBUG printf
  11
  12 static const char *op_type_names[4] = {
  13     "BYTE",
  14     "WORD",
  15     "LONGWORD",
  16     "MEM",
  17 };
  18 #else
  19 #define DEBUG(...)
  20 #endif
  21
  22 extern uint32_t pistorm_dev_base;
  23 extern uint32_t do_reset;
  24
  25 void handle_pistorm_dev_write(uint32_t addr, uint32_t val, uint8_t type) {
  26     switch((addr & 0xFFFF)) {
  27         case PI_CMD_RESET:
  28             DEBUG("[PISTORM-DEV] System reset called through PiStorm interaction device, code %.4X\n", (val & 0xFFFF));
  29             do_reset = 1;
  30             break;
  31         default:
  32             DEBUG("[PISTORM-DEV] WARN: Unhandled %s register write to %.4X: %d\n", op_type_names[type], addr - pistorm_dev_base, val);
  33             break;
  34     }
  35 }
  36
  37 uint32_t handle_pistorm_dev_read(uint32_t addr, uint8_t type) {
  38     switch((addr & 0xFFFF)) {
  39
  40         default:
  41             DEBUG("[PISTORM-DEV] WARN: Unhandled %s register read from %.4X\n", op_type_names[type], addr - pistorm_dev_base);
  42             break;
  43     }
  44     return 0;
  45 }