client/tag/0.6.0/hard_hongkongfc.h

   1 #ifndef _HONGKONGFC_HARD_H_
   2 #define _HONGKONGFC_HARD_H_
   3 /*
   4 DATA PORT
   5 BIT0-BIT7: DATA IN/OUT, ADDRESS, BUS CONTROL
   6 STATUS PORT:
   7 BIT7: DATA ½ÐÎÏ³ÎÇ§?
   8 CONTROL PORT:
   9 BIT~0: DATA PORT LATCH CLOCK
  10   H->L ¤Ç LATCH
  11 BIT~1 2 3: DATA PORT SELECT
  12 BIT4: ³ä¤ê¹þ¤ßµö²Ä MUST BE 0
  13 BIT5: PORT DIRECTION
  14   L PC->BUS
  15   H BUS->PC
  16 */
  17 enum{
  18         BITNUM_CONTROL_DATA_LATCH = 0,
  19         BITNUM_CONTROL_DATA_SELECT,
  20         BITNUM_CONTROL_INTERRUPT = 4,
  21         BITNUM_CONTROL_DIRECTION
  22 };
  23 /*
  24 DATA PORT SELECT
  25 0: DATA BUS DIRECTION PC->BUS
  26 1: DATA BUS DIRECTION BUS->PC
  27 2: WRITE->READ ¤ËÀÚ¤ê´¹¤¨¤ë¤È DATA_SELECT_A23toA16 ¤¬ÇËÂ»¤¹¤ë
  28 3: WRITE->READ ¤ËÀÚ¤ê´¹¤¨¤ë¤È DATA_SELECT_CONTROL ¤¬ÇËÂ»¤¹¤ë
  29 4: LATCH cartridge control
  30 5: LATCH A23-A16, fc ¤Ç¤Ï write data
  31 6: LATCH A15-A8
  32 7: LATCH A7-A0
  33 */
  34 enum{
  35         DATA_SELECT_WRITE = 0,
  36         DATA_SELECT_READ,
  37         DATA_SELECT_BREAK_DATA,
  38         DATA_SELECT_BREAK_CONTROL,
  39         DATA_SELECT_A7toA0 = 4,
  40         DATA_SELECT_A15toA8,
  41         DATA_SELECT_A23toA16,
  42         DATA_SELECT_CONTROL,
  43         DATA_SELECT_WRITEDATA = DATA_SELECT_A23toA16
  44 };
  45 enum{
  46         BITNUM_PPU_OUTPUT = 0,
  47         BITNUM_PPU_SELECT,
  48         BITNUM_PPU_RW,
  49         //bit3Ì¤»ÈÍÑ
  50         BITNUM_WRITEDATA_OUTPUT = 4, //b0 L ¤Ç½ÐÎÏ
  51         BITNUM_WRITEDATA_LATCH, //b1 L->H
  52         BITNUM_CPU_RW, //b2
  53         BITNUM_CPU_M2 //b3
  54 };
  55 #endif