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;NES specific hardware defines
if 1==1
PPU_CTRL_REG1 db 0;= $2000 ;d0=page (for scroll)
;PPU_CTRL_REG2 db 0;= $2001
PPU_STATUS db 0;= $2002
PPU_SPR_ADDR db 0;= $2003
PPU_SPR_DATA db 0;= $2004
PPU_SCROLL_REG_H db 0;= $2005
PPU_SCROLL_REG_V db 0;= $2005
PPU_ADDRESS db 0;= $2006
PPU_DATA db 0;= $2007
;PPU_SPRLIST ds 256
PPU_PALETTES
PPU_BGPAL ds 16
PPU_SPRPAL ds 16
else
PPU_CTRL_REG1 = $2000
PPU_CTRL_REG2 = $2001
PPU_STATUS = $2002
PPU_SPR_ADDR = $2003
PPU_SPR_DATA = $2004
PPU_SCROLL_REG = $2005
PPU_SCROLL_REG_H=PPU_SCROLL_REG
PPU_SCROLL_REG_V=PPU_SCROLL_REG
PPU_ADDRESS = $2006
PPU_DATA = $2007
PPU_BGPAL=$3f00
PPU_SPRPAL=$3f10
endif
if 1==1
SND_REGISTER ;= $4000
SND_SQUARE1_REG ds 4;= $4000
SND_SQUARE2_REG ds 4;= $4004
SND_TRIANGLE_REG ds 4;= $4008
SND_NOISE_REG ds 4;= $400c
SND_DELTA_REG ds 4;= $4010
db 0
SND_MASTERCTRL_REG db 0;= $4015
else
SND_REGISTER = $4000
SND_SQUARE1_REG = $4000
SND_SQUARE2_REG = $4004
SND_TRIANGLE_REG = $4008
SND_NOISE_REG = $400c
SND_DELTA_REG = $4010
SND_MASTERCTRL_REG = $4015
endif
if 1==1
SPR_DMA db 0;= $4014
JOYPAD_PORT ;= $4016
JOYPAD_PORT1 db 0;= $4016
JOYPAD_PORT2 db 0;= $4017
else
SPR_DMA = $4014
JOYPAD_PORT = $4016
JOYPAD_PORT1 = $4016
JOYPAD_PORT2 = $4017
endif