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;* |
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;* Gameboy Hardware definitions |
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;* |
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;* Based on Jones' hardware.inc |
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;* And based on Carsten Sorensen's ideas. |
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;* |
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;* Rev 1.1 - 15-Jul-97 : Added define check |
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;* Rev 1.2 - 18-Jul-97 : Added revision check macro |
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;* Rev 1.3 - 19-Jul-97 : Modified for RGBASM V1.05 |
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;* Rev 1.4 - 27-Jul-97 : Modified for new subroutine prefixes |
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;* Rev 1.5 - 15-Aug-97 : Added _HRAM, PAD, CART defines |
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;* : and Nintendo Logo |
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;* Rev 1.6 - 30-Nov-97 : Added rDIV, rTIMA, rTMA, & rTAC |
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;* Rev 1.7 - 31-Jan-98 : Added _SCRN0, _SCRN1 |
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;* Rev 1.8 - 15-Feb-98 : Added rSB, rSC |
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;* Rev 1.9 - 16-Feb-98 : Converted I/O registers to $FFXX format |
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;* Rev 2.0 - : Added GBC registers |
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;* Rev 2.1 - : Added MBC5 & cart RAM enable/disable defines |
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;* Rev 2.2 : Fixed NR42,NR43, & NR44 equates |
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;* Rev 2.3 - : Fixed incorrect _HRAM equate |
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;* Rev 2.4 - : Completed CART defines |
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;* Rev 2.5 - : Fixed bug in CART defines |
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; If all of these are already defined, don't do it again. |
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IF !DEF(HARDWARE_INC) |
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HARDWARE_INC SET 1 |
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rev_Check_hardware_inc: MACRO |
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;NOTE: REVISION NUMBER CHANGES MUST BE ADDED |
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;TO SECOND PARAMETER IN FOLLOWING LINE. |
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IF \1 > 2.2 ;PUT REVISION NUMBER HERE |
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WARN "Version \1 or later of 'hardware.inc' is required." |
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ENDC |
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ENDM |
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_HW EQU $FF00 |
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_VRAM EQU $8000 ; $8000->$A000 |
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_SCRN0 EQU $9800 ; $9800->$9BFF |
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_SCRN1 EQU $9C00 ; $9C00->$9FFF |
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_RAM EQU $C000 ; $C000->$E000 |
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_HRAM EQU $FF80 ; $FF80->$FFFE |
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_OAMRAM EQU $FE00 ; $FE00->$FE9F |
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_AUD3WAVERAM EQU $FF30 ; $FF30->$FF3F |
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; *** MBC5 Equates *** |
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rRAMG EQU $0000 ; $0000->$1fff |
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rROMB0 EQU $2000 ; $2000->$2fff |
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rROMB1 EQU $3000 ; $3000->$3fff |
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rRAMB EQU $4000 ; $4000->$5fff |
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53 |
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54 |
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55 |
; -- |
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56 |
; -- OAM flags |
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57 |
; -- |
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58 |
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OAMF_PRI EQU %10000000 ; Priority |
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OAMF_YFLIP EQU %01000000 ; Y flip |
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OAMF_XFLIP EQU %00100000 ; X flip |
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OAMF_PAL0 EQU %00000000 ; Palette number; 0,1 |
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OAMF_PAL1 EQU %00010000 ; Palette number; 0,1 |
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;*************************************************************************** |
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;* |
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;* Custom registers |
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;* |
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;*************************************************************************** |
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71 |
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72 |
; -- |
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73 |
; -- P1 ($FF00) |
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; -- Register for reading joy pad info. (R/W) |
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; -- |
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rP1 EQU $FF00 |
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77 |
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P1F_5 EQU %00100000 ; P15 out port |
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P1F_4 EQU %00010000 ; P14 out port |
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P1F_3 EQU %00001000 ; P13 in port |
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P1F_2 EQU %00000100 ; P12 in port |
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P1F_1 EQU %00000010 ; P11 in port |
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P1F_0 EQU %00000001 ; P10 in port |
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84 |
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85 |
; -- |
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86 |
; -- SB ($FF01) |
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; -- Serial Transfer Data (R/W) |
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88 |
; -- |
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rSB EQU $FF01 |
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90 |
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91 |
; -- |
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; -- SC ($FF02) |
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; -- Serial I/O Control (R/W) |
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; -- |
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rSC EQU $FF02 |
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96 |
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97 |
; -- |
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98 |
; -- DIV ($FF04) |
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99 |
; -- Divider register (R/W) |
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100 |
; -- |
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101 |
rDIV EQU $FF04 |
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102 |
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103 |
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104 |
; -- |
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105 |
; -- TIMA ($FF05) |
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106 |
; -- Timer counter (R/W) |
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107 |
; -- |
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108 |
rTIMA EQU $FF05 |
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109 |
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110 |
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111 |
; -- |
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112 |
; -- TMA ($FF06) |
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113 |
; -- Timer modulo (R/W) |
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114 |
; -- |
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115 |
rTMA EQU $FF06 |
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116 |
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117 |
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118 |
; -- |
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119 |
; -- TAC ($FF07) |
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120 |
; -- Timer control (R/W) |
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121 |
; -- |
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122 |
rTAC EQU $FF07 |
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123 |
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TACF_START EQU %00000100 |
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125 |
TACF_STOP EQU %00000000 |
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TACF_4KHZ EQU %00000000 |
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127 |
TACF_16KHZ EQU %00000011 |
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TACF_65KHZ EQU %00000010 |
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TACF_262KHZ EQU %00000001 |
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130 |
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131 |
; -- |
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132 |
; -- IF ($FF0F) |
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133 |
; -- Interrupt Flag (R/W) |
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134 |
; -- |
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rIF EQU $FF0F |
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136 |
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137 |
; -- |
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138 |
; -- LCDC ($FF40) |
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139 |
; -- LCD Control (R/W) |
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140 |
; -- |
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rLCDC EQU $FF40 |
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142 |
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LCDCF_OFF EQU %00000000 ; LCD Control Operation |
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144 |
LCDCF_ON EQU %10000000 ; LCD Control Operation |
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145 |
LCDCF_WIN9800 EQU %00000000 ; Window Tile Map Display Select |
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LCDCF_WIN9C00 EQU %01000000 ; Window Tile Map Display Select |
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LCDCF_WINOFF EQU %00000000 ; Window Display |
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LCDCF_WINON EQU %00100000 ; Window Display |
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LCDCF_BG8800 EQU %00000000 ; BG & Window Tile Data Select |
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LCDCF_BG8000 EQU %00010000 ; BG & Window Tile Data Select |
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LCDCF_BG9800 EQU %00000000 ; BG Tile Map Display Select |
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152 |
LCDCF_BG9C00 EQU %00001000 ; BG Tile Map Display Select |
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153 |
LCDCF_OBJ8 EQU %00000000 ; OBJ Construction |
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LCDCF_OBJ16 EQU %00000100 ; OBJ Construction |
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LCDCF_OBJOFF EQU %00000000 ; OBJ Display |
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LCDCF_OBJON EQU %00000010 ; OBJ Display |
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LCDCF_BGOFF EQU %00000000 ; BG Display |
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LCDCF_BGON EQU %00000001 ; BG Display |
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; "Window Character Data Select" follows BG |
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160 |
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161 |
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162 |
; -- |
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163 |
; -- STAT ($FF41) |
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164 |
; -- LCDC Status (R/W) |
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; -- |
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166 |
rSTAT EQU $FF41 |
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167 |
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STATF_LYC EQU %01000000 ; LYCEQULY Coincidence (Selectable) |
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STATF_MODE10 EQU %00100000 ; Mode 10 |
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STATF_MODE01 EQU %00010000 ; Mode 01 (V-Blank) |
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STATF_MODE00 EQU %00001000 ; Mode 00 (H-Blank) |
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STATF_LYCF EQU %00000100 ; Coincidence Flag |
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STATF_HB EQU %00000000 ; H-Blank |
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STATF_VB EQU %00000001 ; V-Blank |
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STATF_OAM EQU %00000010 ; OAM-RAM is used by system |
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STATF_LCD EQU %00000011 ; Both OAM and VRAM used by system |
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STATF_BUSY EQU %00000010 ; When set, VRAM access is unsafe |
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178 |
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179 |
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; -- |
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; -- SCY ($FF42) |
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; -- Scroll Y (R/W) |
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; -- |
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rSCY EQU $FF42 |
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186 |
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; -- |
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; -- SCY ($FF43) |
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; -- Scroll X (R/W) |
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; -- |
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rSCX EQU $FF43 |
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192 |
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193 |
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; -- |
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; -- LY ($FF44) |
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; -- LCDC Y-Coordinate (R) |
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197 |
; -- |
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; -- Values range from 0->153. 144->153 is the VBlank period. |
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; -- |
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rLY EQU $FF44 |
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201 |
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202 |
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; -- |
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; -- LYC ($FF45) |
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; -- LY Compare (R/W) |
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; -- |
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; -- When LYEQUEQULYC, STATF_LYCF will be set in STAT |
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; -- |
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rLYC EQU $FF45 |
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210 |
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211 |
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212 |
; -- |
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; -- DMA ($FF46) |
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; -- DMA Transfer and Start Address (W) |
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; -- |
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rDMA EQU $FF46 |
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217 |
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218 |
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; -- |
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; -- BGP ($FF47) |
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; -- BG Palette Data (W) |
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222 |
; -- |
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223 |
; -- Bit 7-6 - Intensity for %11 |
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; -- Bit 5-4 - Intensity for %10 |
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; -- Bit 3-2 - Intensity for %01 |
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; -- Bit 1-0 - Intensity for %00 |
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; -- |
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rBGP EQU $FF47 |
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229 |
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230 |
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231 |
; -- |
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232 |
; -- OBP0 ($FF48) |
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; -- Object Palette 0 Data (W) |
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; -- |
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; -- See BGP for info |
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; -- |
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rOBP0 EQU $FF48 |
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239 |
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; -- |
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; -- OBP1 ($FF49) |
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; -- Object Palette 1 Data (W) |
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; -- |
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; -- See BGP for info |
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; -- |
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rOBP1 EQU $FF49 |
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248 |
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; -- |
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; -- WY ($FF4A) |
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; -- Window Y Position (R/W) |
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; -- |
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; -- 0 <EQU WY <EQU 143 |
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; -- |
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rWY EQU $FF4A |
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; -- |
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; -- WX ($FF4B) |
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; -- Window X Position (R/W) |
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; -- |
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; -- 7 <EQU WX <EQU 166 |
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; -- |
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rWX EQU $FF4B |
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; -- |
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; -- KEY 1 ($FF4D) |
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; -- Select CPU Speed (R/W) |
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; -- |
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rKEY1 EQU $FF4D |
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273 |
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274 |
; -- |
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; -- VBK ($FF4F) |
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; -- Select Video RAM Bank (R/W) |
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; -- |
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rVBK EQU $FF4F |
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279 |
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280 |
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281 |
; -- |
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; -- HDMA1 ($FF51) |
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; -- Horizontal Blanking, General Purpose DMA (W) |
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284 |
; -- |
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rHDMA1 EQU $FF51 |
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286 |
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287 |
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; -- |
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; -- HDMA2 ($FF52) |
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; -- Horizontal Blanking, General Purpose DMA (W) |
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; -- |
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rHDMA2 EQU $FF52 |
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293 |
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294 |
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; -- |
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; -- HDMA3 ($FF53) |
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; -- Horizontal Blanking, General Purpose DMA (W) |
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; -- |
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rHDMA3 EQU $FF53 |
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300 |
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301 |
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302 |
; -- |
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; -- HDMA4 ($FF54) |
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; -- Horizontal Blanking, General Purpose DMA (W) |
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; -- |
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rHDMA4 EQU $FF54 |
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308 |
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309 |
; -- |
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; -- HDMA5 ($FF55) |
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; -- Horizontal Blanking, General Purpose DMA (R/W) |
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312 |
; -- |
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rHDMA5 EQU $FF55 |
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314 |
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315 |
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316 |
; -- |
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317 |
; -- RP ($FF56) |
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318 |
; -- Infrared Communications Port (R/W) |
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319 |
; -- |
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rRP EQU $FF56 |
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321 |
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322 |
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323 |
; -- |
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324 |
; -- BCPS ($FF68) |
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325 |
; -- Background Color Palette Specification (R/W) |
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326 |
; -- |
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rBCPS EQU $FF68 |
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328 |
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329 |
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330 |
; -- |
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331 |
; -- BCPD ($FF69) |
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332 |
; -- Background Color Palette Data (R/W) |
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333 |
; -- |
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334 |
rBCPD EQU $FF69 |
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335 |
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336 |
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337 |
; -- |
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338 |
; -- BCPS ($FF6A) |
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339 |
; -- Object Color Palette Specification (R/W) |
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340 |
; -- |
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rOCPS EQU $FF6A |
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342 |
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343 |
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344 |
; -- |
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345 |
; -- BCPD ($FF6B) |
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346 |
; -- Object Color Palette Data (R/W) |
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347 |
; -- |
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rOCPD EQU $FF6B |
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349 |
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350 |
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351 |
; -- |
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352 |
; -- SVBK ($FF4F) |
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353 |
; -- Select Main RAM Bank (R/W) |
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354 |
; -- |
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355 |
rSVBK EQU $FF70 |
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356 |
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357 |
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358 |
; -- |
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359 |
; -- IE ($FFFF) |
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360 |
; -- Interrupt Enable (R/W) |
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361 |
; -- |
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362 |
rIE EQU $FFFF |
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363 |
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364 |
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365 |
IEF_HILO EQU %00010000 ; Transition from High to Low of Pin number P10-P13 |
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366 |
IEF_SERIAL EQU %00001000 ; Serial I/O transfer end |
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367 |
IEF_TIMER EQU %00000100 ; Timer Overflow |
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368 |
IEF_LCDC EQU %00000010 ; LCDC (see STAT) |
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369 |
IEF_VBLANK EQU %00000001 ; V-Blank |
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370 |
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371 |
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372 |
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373 |
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374 |
;*************************************************************************** |
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375 |
;* |
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376 |
;* Sound control registers |
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377 |
;* |
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378 |
;*************************************************************************** |
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379 |
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380 |
; -- |
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381 |
; -- AUDVOL/NR50 ($FF24) |
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382 |
; -- Channel control / ON-OFF / Volume (R/W) |
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383 |
; -- |
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384 |
; -- Bit 7 - Vin->SO2 ON/OFF (Vin??) |
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385 |
; -- Bit 6-4 - SO2 output level (volume) (# 0-7) |
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386 |
; -- Bit 3 - Vin->SO1 ON/OFF (Vin??) |
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387 |
; -- Bit 2-0 - SO1 output level (volume) (# 0-7) |
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388 |
; -- |
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389 |
rNR50 EQU $FF24 |
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390 |
rAUDVOL EQU rNR50 |
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391 |
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392 |
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393 |
; -- |
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394 |
; -- AUDTERM/NR51 ($FF25) |
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395 |
; -- Selection of Sound output terminal (R/W) |
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396 |
; -- |
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397 |
; -- Bit 7 - Output sound 4 to SO2 terminal |
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398 |
; -- Bit 6 - Output sound 3 to SO2 terminal |
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399 |
; -- Bit 5 - Output sound 2 to SO2 terminal |
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400 |
; -- Bit 4 - Output sound 1 to SO2 terminal |
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401 |
; -- Bit 3 - Output sound 4 to SO1 terminal |
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402 |
; -- Bit 2 - Output sound 3 to SO1 terminal |
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403 |
; -- Bit 1 - Output sound 2 to SO1 terminal |
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404 |
; -- Bit 0 - Output sound 0 to SO1 terminal |
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405 |
; -- |
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406 |
rNR51 EQU $FF25 |
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|
407 |
rAUDTERM EQU rNR51 |
|
|
408 |
|
|
|
409 |
|
|
|
410 |
; -- |
|
|
411 |
; -- AUDENA/NR52 ($FF26) |
|
|
412 |
; -- Sound on/off (R/W) |
|
|
413 |
; -- |
|
|
414 |
; -- Bit 7 - All sound on/off (sets all audio regs to 0!) |
|
|
415 |
; -- Bit 3 - Sound 4 ON flag (doesn't work!) |
|
|
416 |
; -- Bit 2 - Sound 3 ON flag (doesn't work!) |
|
|
417 |
; -- Bit 1 - Sound 2 ON flag (doesn't work!) |
|
|
418 |
; -- Bit 0 - Sound 1 ON flag (doesn't work!) |
|
|
419 |
; -- |
|
|
420 |
rNR52 EQU $FF26 |
|
|
421 |
rAUDENA EQU rNR52 |
|
|
422 |
|
|
|
423 |
|
|
|
424 |
;*************************************************************************** |
|
|
425 |
;* |
|
|
426 |
;* SoundChannel #1 registers |
|
|
427 |
;* |
|
|
428 |
;*************************************************************************** |
|
|
429 |
|
|
|
430 |
; -- |
|
|
431 |
; -- AUD1SWEEP/NR10 ($FF10) |
|
|
432 |
; -- Sweep register (R/W) |
|
|
433 |
; -- |
|
|
434 |
; -- Bit 6-4 - Sweep Time |
|
|
435 |
; -- Bit 3 - Sweep Increase/Decrease |
|
|
436 |
; -- 0: Addition (frequency increases???) |
|
|
437 |
; -- 1: Subtraction (frequency increases???) |
|
|
438 |
; -- Bit 2-0 - Number of sweep shift (# 0-7) |
|
|
439 |
; -- Sweep Time: (n*7.8ms) |
|
|
440 |
; -- |
|
|
441 |
rNR10 EQU $FF10 |
|
|
442 |
rAUD1SWEEP EQU rNR10 |
|
|
443 |
|
|
|
444 |
|
|
|
445 |
; -- |
|
|
446 |
; -- AUD1LEN/NR11 ($FF11) |
|
|
447 |
; -- Sound length/Wave pattern duty (R/W) |
|
|
448 |
; -- |
|
|
449 |
; -- Bit 7-6 - Wave Pattern Duty (00:12.5% 01:25% 10:50% 11:75%) |
|
|
450 |
; -- Bit 5-0 - Sound length data (# 0-63) |
|
|
451 |
; -- |
|
|
452 |
rNR11 EQU $FF11 |
|
|
453 |
rAUD1LEN EQU rNR11 |
|
|
454 |
|
|
|
455 |
|
|
|
456 |
; -- |
|
|
457 |
; -- AUD1ENV/NR12 ($FF12) |
|
|
458 |
; -- Envelope (R/W) |
|
|
459 |
; -- |
|
|
460 |
; -- Bit 7-4 - Initial value of envelope |
|
|
461 |
; -- Bit 3 - Envelope UP/DOWN |
|
|
462 |
; -- 0: Decrease |
|
|
463 |
; -- 1: Range of increase |
|
|
464 |
; -- Bit 2-0 - Number of envelope sweep (# 0-7) |
|
|
465 |
; -- |
|
|
466 |
rNR12 EQU $FF12 |
|
|
467 |
rAUD1ENV EQU rNR12 |
|
|
468 |
|
|
|
469 |
|
|
|
470 |
; -- |
|
|
471 |
; -- AUD1LOW/NR13 ($FF13) |
|
|
472 |
; -- Frequency lo (W) |
|
|
473 |
; -- |
|
|
474 |
rNR13 EQU $FF13 |
|
|
475 |
rAUD1LOW EQU rNR13 |
|
|
476 |
|
|
|
477 |
|
|
|
478 |
; -- |
|
|
479 |
; -- AUD1HIGH/NR14 ($FF14) |
|
|
480 |
; -- Frequency hi (W) |
|
|
481 |
; -- |
|
|
482 |
; -- Bit 7 - Initial (when set, sound restarts) |
|
|
483 |
; -- Bit 6 - Counter/consecutive selection |
|
|
484 |
; -- Bit 2-0 - Frequency's higher 3 bits |
|
|
485 |
; -- |
|
|
486 |
rNR14 EQU $FF14 |
|
|
487 |
rAUD1HIGH EQU rNR14 |
|
|
488 |
|
|
|
489 |
|
|
|
490 |
;*************************************************************************** |
|
|
491 |
;* |
|
|
492 |
;* SoundChannel #2 registers |
|
|
493 |
;* |
|
|
494 |
;*************************************************************************** |
|
|
495 |
|
|
|
496 |
; -- |
|
|
497 |
; -- AUD2LEN/NR21 ($FF16) |
|
|
498 |
; -- Sound Length; Wave Pattern Duty (R/W) |
|
|
499 |
; -- |
|
|
500 |
; -- see AUD1LEN for info |
|
|
501 |
; -- |
|
|
502 |
rNR21 EQU $FF16 |
|
|
503 |
rAUD2LEN EQU rNR21 |
|
|
504 |
|
|
|
505 |
|
|
|
506 |
; -- |
|
|
507 |
; -- AUD2ENV/NR22 ($FF17) |
|
|
508 |
; -- Envelope (R/W) |
|
|
509 |
; -- |
|
|
510 |
; -- see AUD1ENV for info |
|
|
511 |
; -- |
|
|
512 |
rNR22 EQU $FF17 |
|
|
513 |
rAUD2ENV EQU rNR22 |
|
|
514 |
|
|
|
515 |
|
|
|
516 |
; -- |
|
|
517 |
; -- AUD2LOW/NR23 ($FF18) |
|
|
518 |
; -- Frequency lo (W) |
|
|
519 |
; -- |
|
|
520 |
rNR23 EQU $FF18 |
|
|
521 |
rAUD2LOW EQU rNR23 |
|
|
522 |
|
|
|
523 |
|
|
|
524 |
; -- |
|
|
525 |
; -- AUD2HIGH/NR24 ($FF19) |
|
|
526 |
; -- Frequency hi (W) |
|
|
527 |
; -- |
|
|
528 |
; -- see AUD1HIGH for info |
|
|
529 |
; -- |
|
|
530 |
rNR24 EQU $FF19 |
|
|
531 |
rAUD2HIGH EQU rNR24 |
|
|
532 |
|
|
|
533 |
|
|
|
534 |
;*************************************************************************** |
|
|
535 |
;* |
|
|
536 |
;* SoundChannel #3 registers |
|
|
537 |
;* |
|
|
538 |
;*************************************************************************** |
|
|
539 |
|
|
|
540 |
; -- |
|
|
541 |
; -- AUD3ENA/NR30 ($FF1A) |
|
|
542 |
; -- Sound on/off (R/W) |
|
|
543 |
; -- |
|
|
544 |
; -- Bit 7 - Sound ON/OFF (1EQUON,0EQUOFF) |
|
|
545 |
; -- |
|
|
546 |
rNR30 EQU $FF1A |
|
|
547 |
rAUD3ENA EQU rNR30 |
|
|
548 |
|
|
|
549 |
|
|
|
550 |
; -- |
|
|
551 |
; -- AUD3LEN/NR31 ($FF1B) |
|
|
552 |
; -- Sound length (R/W) |
|
|
553 |
; -- |
|
|
554 |
; -- Bit 7-0 - Sound length |
|
|
555 |
; -- |
|
|
556 |
rNR31 EQU $FF1B |
|
|
557 |
rAUD3LEN EQU rNR31 |
|
|
558 |
|
|
|
559 |
|
|
|
560 |
; -- |
|
|
561 |
; -- AUD3LEVEL/NR32 ($FF1C) |
|
|
562 |
; -- Select output level |
|
|
563 |
; -- |
|
|
564 |
; -- Bit 6-5 - Select output level |
|
|
565 |
; -- 00: 0/1 (mute) |
|
|
566 |
; -- 01: 1/1 |
|
|
567 |
; -- 10: 1/2 |
|
|
568 |
; -- 11: 1/4 |
|
|
569 |
; -- |
|
|
570 |
rNR32 EQU $FF1C |
|
|
571 |
rAUD3LEVEL EQU rNR32 |
|
|
572 |
|
|
|
573 |
|
|
|
574 |
; -- |
|
|
575 |
; -- AUD3LOW/NR33 ($FF1D) |
|
|
576 |
; -- Frequency lo (W) |
|
|
577 |
; -- |
|
|
578 |
; -- see AUD1LOW for info |
|
|
579 |
; -- |
|
|
580 |
rNR33 EQU $FF1D |
|
|
581 |
rAUD3LOW EQU rNR33 |
|
|
582 |
|
|
|
583 |
|
|
|
584 |
; -- |
|
|
585 |
; -- AUD3HIGH/NR34 ($FF1E) |
|
|
586 |
; -- Frequency hi (W) |
|
|
587 |
; -- |
|
|
588 |
; -- see AUD1HIGH for info |
|
|
589 |
; -- |
|
|
590 |
rNR34 EQU $FF1E |
|
|
591 |
rAUD3HIGH EQU rNR34 |
|
|
592 |
|
|
|
593 |
|
|
|
594 |
; -- |
|
|
595 |
; -- AUD4LEN/NR41 ($FF20) |
|
|
596 |
; -- Sound length (R/W) |
|
|
597 |
; -- |
|
|
598 |
; -- Bit 5-0 - Sound length data (# 0-63) |
|
|
599 |
; -- |
|
|
600 |
rNR41 EQU $FF20 |
|
|
601 |
rAUD4LEN EQU rNR41 |
|
|
602 |
|
|
|
603 |
|
|
|
604 |
; -- |
|
|
605 |
; -- AUD4ENV/NR42 ($FF21) |
|
|
606 |
; -- Envelope (R/W) |
|
|
607 |
; -- |
|
|
608 |
; -- see AUD1ENV for info |
|
|
609 |
; -- |
|
|
610 |
rNR42 EQU $FF21 |
|
|
611 |
rAUD4ENV EQU rNR42 |
|
|
612 |
|
|
|
613 |
|
|
|
614 |
; -- |
|
|
615 |
; -- AUD4POLY/NR43 ($FF22) |
|
|
616 |
; -- Polynomial counter (R/W) |
|
|
617 |
; -- |
|
|
618 |
; -- Bit 7-4 - Selection of the shift clock frequency of the (scf) |
|
|
619 |
; -- polynomial counter (0000-1101) |
|
|
620 |
; -- freqEQUdrf*1/2^scf (not sure) |
|
|
621 |
; -- Bit 3 - Selection of the polynomial counter's step |
|
|
622 |
; -- 0: 15 steps |
|
|
623 |
; -- 1: 7 steps |
|
|
624 |
; -- Bit 2-0 - Selection of the dividing ratio of frequencies (drf) |
|
|
625 |
; -- 000: f/4 001: f/8 010: f/16 011: f/24 |
|
|
626 |
; -- 100: f/32 101: f/40 110: f/48 111: f/56 (fEQU4.194304 Mhz) |
|
|
627 |
; -- |
|
|
628 |
rNR43 EQU $FF22 |
|
|
629 |
rAUD4POLY EQU rNR43 |
|
|
630 |
|
|
|
631 |
|
|
|
632 |
; -- |
|
|
633 |
; -- AUD4GO/NR44 ($FF23) |
|
|
634 |
; -- (has wrong name and value (ff30) in Dr.Pan's doc!) |
|
|
635 |
; -- |
|
|
636 |
; -- Bit 7 - Inital |
|
|
637 |
; -- Bit 6 - Counter/consecutive selection |
|
|
638 |
; -- |
|
|
639 |
rNR44 EQU $FF23 |
|
|
640 |
rAUD4GO EQU rNR44 ; silly name! |
|
|
641 |
|
|
|
642 |
;*************************************************************************** |
|
|
643 |
;* |
|
|
644 |
;* Cart related |
|
|
645 |
;* |
|
|
646 |
;*************************************************************************** |
|
|
647 |
|
|
|
648 |
CART_ROM EQU 0 ; ROM |
|
|
649 |
CART_ROM_MBC1 EQU 1 ; ROM+MBC1 |
|
|
650 |
CART_ROM_MBC1_RAM EQU 2 ; ROM+MBC1+RAM |
|
|
651 |
CART_ROM_MBC1_RAM_BAT EQU 3 ; ROM+MBC1+RAM+BATTERY |
|
|
652 |
CART_ROM_MBC2 EQU 5 ; ROM+MBC2 |
|
|
653 |
CART_ROM_MBC2_BAT EQU 6 ; ROM+MBC2+BATTERY |
|
|
654 |
CART_ROM_RAM EQU 8 ; ROM+RAM |
|
|
655 |
CART_ROM_RAM_BAT EQU 9 ; ROM+RAM+BATTERY |
|
|
656 |
CART_ROM_MMM EQU $b ; ROM+MMM01 |
|
|
657 |
CART_ROM_RAM_MMM EQU $c ; ROM+RAM+MMM01 |
|
|
658 |
CART_ROM_RAM_MMM_BAT EQU $d ; ROM+RAM+MMM01+BATTERY |
|
|
659 |
CART_ROM_MBC3_TIM_BAT EQU $f ; ROM+MBC3+TIMER+BATTERY |
|
|
660 |
CART_ROM_MBC3_TIM_RAM_BAT EQU $10 ; ROM+MBC3+TIMER+RAM+BATTERY |
|
|
661 |
CART_ROM_MBC3 EQU $11 ; ROM+MBC3 |
|
|
662 |
CART_ROM_MBC3_RAM EQU $12 ; ROM+MBC3+RAM |
|
|
663 |
CART_ROM_MBC3_RAM_BAT EQU $13 ; ROM+MBC3+RAM+BATTERY |
|
|
664 |
CART_ROM_MBC4 EQU $15 ; ROM+MBC4 |
|
|
665 |
CART_ROM_MBC4_RAM EQU $16 ; ROM+MBC4+RAM |
|
|
666 |
CART_ROM_MBC4_RAM_BAT EQU $17 ; ROM+MBC4+RAM+BATTERY |
|
|
667 |
CART_ROM_MBC5 EQU $19 ; ROM+MBC5 |
|
|
668 |
CART_ROM_MBC5_RAM EQU $1a ; ROM+MBC5+RAM |
|
|
669 |
CART_ROM_MBC5_RAM_BAT EQU $1b ; ROM+MBC5+RAM+BATTERY |
|
|
670 |
CART_ROM_MBC5_RUM EQU $1c ; ROM+MBC5+RUMBLE |
|
|
671 |
CART_ROM_MBC5_RUM_RAM EQU $1d ; ROM+MBC5+RUMBLE+RAM |
|
|
672 |
CART_ROM_MBC5_RUM_RAM_BAT EQU $1e ; ROM+MBC5+RUMBLE+RAM+BATTERY |
|
|
673 |
CART_CAMERA EQU $fc ; Camera ROM |
|
|
674 |
CART_TAMA5 EQU $fd ; Bandai Tama 5 |
|
|
675 |
CART_HuC3 EQU $fe ; HuC3 |
|
|
676 |
CART_HuC1_RAM_BAT EQU $ff ; HuC1+RAM+BATTERY |
|
|
677 |
|
|
|
678 |
CART_ROM_256K EQU 0 |
|
|
679 |
CART_ROM_512K EQU 1 |
|
|
680 |
CART_ROM_1M EQU 2 |
|
|
681 |
CART_ROM_2M EQU 3 |
|
|
682 |
CART_ROM_4M EQU 4 |
|
|
683 |
CART_ROM_8M EQU 5 |
|
|
684 |
CART_ROM_16M EQU 6 |
|
|
685 |
|
|
|
686 |
CART_RAM_NONE EQU 0 |
|
|
687 |
CART_RAM_16K EQU 1 |
|
|
688 |
CART_RAM_64K EQU 2 |
|
|
689 |
CART_RAM_256K EQU 3 |
|
|
690 |
|
|
|
691 |
CART_RAM_ENABLE EQU $0a |
|
|
692 |
CART_RAM_DISABLE EQU $00 |
|
|
693 |
|
|
|
694 |
;*************************************************************************** |
|
|
695 |
;* |
|
|
696 |
;* Keypad related |
|
|
697 |
;* |
|
|
698 |
;*************************************************************************** |
|
|
699 |
|
|
|
700 |
PADF_DOWN EQU $80 |
|
|
701 |
PADF_UP EQU $40 |
|
|
702 |
PADF_LEFT EQU $20 |
|
|
703 |
PADF_RIGHT EQU $10 |
|
|
704 |
PADF_START EQU $08 |
|
|
705 |
PADF_SELECT EQU $04 |
|
|
706 |
PADF_B EQU $02 |
|
|
707 |
PADF_A EQU $01 |
|
|
708 |
|
|
|
709 |
PADB_DOWN EQU $7 |
|
|
710 |
PADB_UP EQU $6 |
|
|
711 |
PADB_LEFT EQU $5 |
|
|
712 |
PADB_RIGHT EQU $4 |
|
|
713 |
PADB_START EQU $3 |
|
|
714 |
PADB_SELECT EQU $2 |
|
|
715 |
PADB_B EQU $1 |
|
|
716 |
PADB_A EQU $0 |
|
|
717 |
|
|
|
718 |
;*************************************************************************** |
|
|
719 |
;* |
|
|
720 |
;* Screen related |
|
|
721 |
;* |
|
|
722 |
;*************************************************************************** |
|
|
723 |
|
|
|
724 |
SCRN_X EQU 160 ; Width of screen in pixels |
|
|
725 |
SCRN_Y EQU 144 ; Height of screen in pixels |
|
|
726 |
SCRN_X_B EQU 20 ; Width of screen in bytes |
|
|
727 |
SCRN_Y_B EQU 18 ; Height of screen in bytes |
|
|
728 |
|
|
|
729 |
SCRN_VX EQU 256 ; Virtual width of screen in pixels |
|
|
730 |
SCRN_VY EQU 256 ; Virtual height of screen in pixels |
|
|
731 |
SCRN_VX_B EQU 32 ; Virtual width of screen in bytes |
|
|
732 |
SCRN_VY_B EQU 32 ; Virtual height of screen in bytes |
|
|
733 |
|
|
|
734 |
NINTENDO_LOGO: MACRO |
|
|
735 |
;* |
|
|
736 |
;* Nintendo scrolling logo |
|
|
737 |
;* (Code won't work on a real GameBoy) |
|
|
738 |
;* (if next six lines are altered.) |
|
|
739 |
DB $CE,$ED,$66,$66,$CC,$0D,$00,$0B,$03,$73,$00,$83,$00,$0C,$00,$0D |
|
|
740 |
DB $00,$08,$11,$1F,$88,$89,$00,$0E,$DC,$CC,$6E,$E6,$DD,$DD,$D9,$99 |
|
|
741 |
DB $BB,$BB,$67,$63,$6E,$0E,$EC,$CC,$DD,$DC,$99,$9F,$BB,$B9,$33,$3E |
|
|
742 |
ENDM |
|
|
743 |
|
|
|
744 |
ENDC ;HARDWARE_INC |