100 lines
1.5 KiB
NASM
100 lines
1.5 KiB
NASM
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;**********
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; Constants
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;**********
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; Replace the value with the name of your CHR file
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.define GAME_CHR "Boilerplate.chr"
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;----------
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; PPU
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;----------
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PPU_CTRL := $2000
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PPU_MASK := $2001
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PPU_STATUS := $2002
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PPU_SCROLL := $2005
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PPU_ADDR := $2006
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PPU_DATA := $2007
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; PPU MASK
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PPU_MASK_GREY = %00000001
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PPU_MASK_BKG8 = %00000010
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PPU_MASK_SPR8 = %00000100
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PPU_MASK_BKG = %00001000
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PPU_MASK_SPR = %00010000
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PPU_MASK_R = %00100000
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PPU_MASK_G = %01000000
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PPU_MASK_B = %10000000
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; PPU CTRL
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PPU_CTRL_NM_1 = %00000001
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PPU_CTRL_NM_2 = %00000010
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PPU_CTRL_INC = %00000100
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PPU_CTRL_SPR = %00001000
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PPU_CTRL_BKG = %00010000
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PPU_CTRL_SPR_SIZE = %00100000
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PPU_CTRL_SEL = %01000000
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PPU_CTRL_NMI = %10000000
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;----------
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; APU
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;----------
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APU := $4000
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APU_SQ1_VOL := $4000
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APU_SQ1_SWEEP := $4001
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APU_SQ1_LO := $4002
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APU_SQ1_HI := $4003
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APU_SQ2_VOL := $4004
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APU_SQ2_SWEEP := $4005
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APU_SQ2_LO := $4006
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APU_SQ2_HI := $4007
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APU_TRI_LINEAR := $4008
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APU_TRI_LO := $400A
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APU_TRI_HI := $400B
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APU_NOISE_VOL := $400C
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APU_NOISE_LO := $400E
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APU_NOISE_HI := $400F
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APU_DMC_FREQ := $4010
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APU_DMC_RAW := $4011
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APU_DMC_START := $4012
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APU_DMC_LEN := $4013
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APU_SND_CHN := $4015
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APU_CTRL := $4015
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APU_STATUS := $4015
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APU_FRAME := $4017
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;----------
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; OAM
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;----------
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OAMDMA := $4014
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;----------
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; IO
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;----------
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IO_JOY1 := $4016
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IO_JOY2 := $4017
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;----------
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; NMI
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;----------
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NMI_DONE = %10000000
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NMI_SCRL = %00010000
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NMI_PLT = %00001000
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NMI_ATR = %00000100
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NMI_SPR = %00000010
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NMI_BKG = %00000001
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