client/trunk/anago/nintendo_cnrom.af

   1 board <- {
   2         mappernum = 3,
   3         cpu_rom = {
   4                 size_base = 0x8000, size_max = 0x8000
   5                 banksize = 0x8000
   6         },
   7         ppu_rom= {
   8                 size_base = 0x8000, size_max = 0x8000,
   9                 banksize = 0x2000
  10         },
  11         ppu_ramfind = false, vram_mirrorfind = true
  12 };
  13 function cpu_dump(d, pagesize, banksize)
  14 {
  15         cpu_read(d, 0x8000, 0x4000);
  16         cpu_read(d, 0xc000, 0x4000);
  17 }
  18 function ppu_dump(d, pagesize, banksize)
  19 {
  20         local security = 0; //0,1,2,3 or don't care
  21         security = security << 4;
  22         for(local i = 0; i < pagesize; i++){
  23                 cpu_write(d, 0x8000, security | i);
  24                 ppu_read(d, 0, banksize);
  25         }
  26 }
  27
  28 function program_initalize(d, cpu_banksize, ppu_banksize)
  29 {
  30         cpu_write(d, 0x8000, 0x30);
  31         cpu_command(d, 0, 0x8000, cpu_banksize);
  32         cpu_command(d, 0x02aa, 0xc000, cpu_banksize);
  33         cpu_command(d, 0x0555, 0xc000, cpu_banksize);
  34         ppu_command(d, 0, 0x0000, ppu_banksize);
  35         ppu_command(d, 0x02aa, 0x0000, ppu_banksize);
  36         ppu_command(d, 0x0555, 0x0000, ppu_banksize);
  37 }
  38
  39 function cpu_transfer(d, start, end, cpu_banksize)
  40 {
  41         if(cpu_banksize == 0x8000){
  42                 cpu_program(d, 0x8000, 0x4000);
  43         }
  44         cpu_program(d, 0xc000, 0x4000);
  45 }
  46
  47 function ppu_transfer(d, start, end, ppu_banksize)
  48 {
  49         for(local i = start; i < end; i++){
  50                 cpu_write(d, 0x8000, 0xf0 | i);
  51                 ppu_program(d, 0x0000, ppu_banksize);
  52         }
  53 }