; 6502bench SNES CPU, PPU registers symbol ; Reference: ; Super Nintendo Entertainment System Development Manual ; Registers | Super Famicom Development Wiki ; https://wiki.superfamicom.org/registers ; Copyright 2021 absindx ; Follow the original license. (Apache 2.0) *SYNOPSIS Super NES registers *MULTI_MASK ; PPU registers (Address Bus B) INIDISP @ $2100 ;W B--- FFFF Initial settings for screen OBJSEL @ $2101 ;W SSSN NAAA Object size & Object data area designation OAMADDL @ $2102 ;W AAAA AAAA Address for accessing OAM (Low) OAMADDH @ $2103 ;W P--- ---A Address for accessing OAM (High) OAMDATA @ $2104 ;W DDDD DDDD Data for OAM write BGMODE @ $2105 ;W SSSS PMMM BG mode & Character size settings MOSAIC @ $2106 ;W MMMM EEEE Size & Screen designation for mosaic display BG1SC @ $2107 ;W AAAA AASS Address for storing SC-data of each BG & SC size designation (Mode 0-6) (BG-1) BG2SC @ $2108 ;W AAAA AASS Address for storing SC-data of each BG & SC size designation (Mode 0-6) (BG-2) BG3SC @ $2109 ;W AAAA AASS Address for storing SC-data of each BG & SC size designation (Mode 0-6) (BG-3) BG4SC @ $210A ;W AAAA AASS Address for storing SC-data of each BG & SC size designation (Mode 0-6) (BG-4) BG12NBA @ $210B ;W 2222 1111 BG character data area designation (BG-1, 2) BG34NBA @ $210C ;W 4444 3333 BG character data area designation (BG-3, 4) BG1HOFS @ $210D ;WW XXXX XXXX, ---X XXXX H scroll value designation for BG-1 BG1VOFS @ $210E ;WW XXXX XXXX, ---X XXXX V scroll value designation for BG-1 BG2HOFS @ $210F ;WW XXXX XXXX, ---- --XX H scroll value designation for BG-2 BG2VOFS @ $2110 ;WW XXXX XXXX, ---- --XX V scroll value designation for BG-2 BG3HOFS @ $2111 ;WW XXXX XXXX, ---- --XX H scroll value designation for BG-3 BG3VOFS @ $2112 ;WW XXXX XXXX, ---- --XX V scroll value designation for BG-3 BG4HOFS @ $2113 ;WW XXXX XXXX, ---- --XX H scroll value designation for BG-4 BG4VOFS @ $2114 ;WW XXXX XXXX, ---- --XX V scroll value designation for BG-4 VMAINC @ $2115 ;W T--- GGII VRAM address increment value designation VMADDL @ $2116 ;W AAAA AAAA Address for VRAM read and write (Low) VMADDH @ $2117 ;W AAAA AAAA Address for VRAM read and write (High) VMDATAL @ $2118 ;W AAAA AAAA Data for VRAM write (Low) VMDATAH @ $2119 ;W AAAA AAAA Data for VRAM write (High) M7SEL @ $211A ;W SS-- --VH Initial setting in screen Mode-7 M7A @ $211B ;WW AAAA AAAA, AAAA AAAA Rotation/Enlargement/Reduction in Mode-7, Matrix parameter A (Low, High) M7B @ $211C ;WW BBBB BBBB, BBBB BBBB Rotation/Enlargement/Reduction in Mode-7, Matrix parameter B (Low, High) M7C @ $211D ;WW CCCC CCCC, CCCC CCCC Rotation/Enlargement/Reduction in Mode-7, Matrix parameter C (Low, High) M7D @ $211E ;WW DDDD DDDD, DDDD DDDD Rotation/Enlargement/Reduction in Mode-7, Matrix parameter D (Low, High) M7X @ $211F ;WW XXXX XXXX, ---X XXXX Rotation/Enlargement/Reduction in Mode-7, Center position X0 (Low, High) M7Y @ $2120 ;WW YYYY YYYY, ---Y YYYY Rotation/Enlargement/Reduction in Mode-7, Center position Y0 (Low, High) CGADD @ $2121 ;W AAAA AAAA Address for CG-RAM read and write CGDATA @ $2122 ;WW DDDD DDDD, -DDD DDDD Data for CG-RAM write W12SEL @ $2123 ;W EIEI EIEI Window mask settings (BG-1, 2) W34SEL @ $2124 ;W EIEI EIEI Window mask settings (BG-3, 4) WOBJSEL @ $2125 ;W EIEI EIEI Window mask settings (OBJ, Color) WH0 @ $2126 ;W PPPP PPPP Window position designation (Window-1 left position) WH1 @ $2127 ;W PPPP PPPP Window position designation (Window-1 right position) WH2 @ $2128 ;W PPPP PPPP Window position designation (Window-2 left position) WH3 @ $2129 ;W PPPP PPPP Window position designation (Window-2 right position) WBGLOG @ $212A ;W 4433 2211 Mask logic settings for Window-1 & 2 on each screen WOBJLOG @ $212B ;W ---- CCOO Mask logic settings for Window-1 & 2 on each screen TM @ $212C ;W ---O 4321 Main screen designation TS @ $212D ;W ---O 4321 Sub screen designation TMW @ $212E ;W ---O 4321 Window mask designation for main screen TSW @ $212F ;W ---O 4321 Window mask designation for sub screen CGSWSEL @ $2130 ;W MMSS --CD Initial settings for fixed color addition on screen addition CGADSUB @ $2131 ;W SEBO 4321 Addition/Subtraction & Subtraction designation for each BG screen OBJ & Background color COLDATA @ $2132 ;W BGRD DDDD Fixed color data for fixed color addition/subtraction SETINI @ $2133 ;W SI-- PBOI Screen initial setting MPYL @ $2134 ;R MMMM MMMM Multiplication result (Low) MPYM @ $2135 ;R MMMM MMMM Multiplication result (Middle) MPYH @ $2136 ;R MMMM MMMM Multiplication result (High) SLHV @ $2137 ;- SSSS SSSS Software latch for H/V counter OAMDATA @ $2138 ;RR DDDD DDDD, DDDD DDDD Read data from OAM VMDATAL @ $2139 ;R DDDD DDDD Read data from VRAM (Low) VMDATAH @ $213A ;R DDDD DDDD Read data from VRAM (High) CGDATA @ $213B ;RR DDDD DDDD, -DDD DDDD Read data from CG-RAM OPHCT @ $213C ;RR HHHH HHHH, ---- ---H H counter data by external or software latch OPVCT @ $213D ;RR VVVV VVVV, ---- ---V V counter data by external or software latch STAT77 @ $213E ;R TRM- VVVV PPU status flag & Version number (5C77) STAT78 @ $213F ;R FL-D VVVV PPU status flag & Version number (5C78) APUIO0 @ $2140 ;RW DDDD DDDD Communication port with APU APUIO1 @ $2141 ;RW DDDD DDDD Communication port with APU APUIO2 @ $2142 ;RW DDDD DDDD Communication port with APU APUIO3 @ $2143 ;RW DDDD DDDD Communication port with APU WMDATA @ $2180 ;RW DDDD DDDD DATA to consecutively read from and write to WRAM WMADDL @ $2181 ;W AAAA AAAA Address to consecutively read and write WRAM (Low) WMADDM @ $2182 ;W AAAA AAAA Address to consecutively read and write WRAM (Middle) WMADDH @ $2183 ;W ---- ---A Address to consecutively read and write WRAM (High) ; CPU registers (Internal) NMITIMEN @ $4200 ;W N-VH ---C Enable flag for V-Blank, Timer interrupt & Standard controller read WRIO @ $4201 ;W DDDD DDDD Programmable I/O port (Out port) WRMPYA @ $4202 ;W AAAA AAAA Multiplicand by multiplication WRMPYB @ $4203 ;W BBBB BBBB Multiplier by multiplication WRDIVL @ $4204 ;W CCCC CCCC Dividend by divide (Low) WRDIVH @ $4205 ;W CCCC CCCC Dividend by divide (High) WRDIVB @ $4206 ;W BBBB BBBB Divisor by divide HTIMEL @ $4207 ;W HHHH HHHH H-count timer settings (Low) HTIMEH @ $4208 ;W ---- ---H H-count timer settings (High) VTIMEL @ $4209 ;W VVVV VVVV V-count timer settings (Low) VTIMEH @ $420A ;W ---- ---V V-count timer settings (High) MDMAEN @ $420B ;W 7654 3210 Channel designation for general purpose DMA & Trigger (start) HDMAEN @ $420C ;W 7654 3210 Channel designation for H-DMA MEMSEL @ $420D ;W ---- ---A Access cycle designation in memory [2] area RDNMI @ $4210 ;R N--- VVVV NMI flag by V-Blank & Version number TIMEUP @ $4211 ;R T--- ---- IRQ flag by H/V count timer HVBJOY @ $4212 ;R VH-- ---C H/V Blank flag & Standard controller enable flag RDIO @ $4213 ;R DDDD DDDD Programmable I/O port (In port) RDDIVL @ $4214 ;R AAAA AAAA Quotient of divide result (Low) RDDIVH @ $4215 ;R AAAA AAAA Quotient of divide result (High) RDMPYL @ $4216 ;R CCCC CCCC Product of multiplication result or remainder of divide result (Low) RDMPYH @ $4217 ;R CCCC CCCC Product of multiplication result or remainder of divide result (High) STDCNTRL1L @ $4218 ;R AXLR ---- Data for standard controller 1 (Low) STDCNTRL1H @ $4219 ;R BYST UDLR Data for standard controller 1 (High) STDCNTRL2L @ $421A ;R AXLR ---- Data for standard controller 2 (Low) STDCNTRL2H @ $421B ;R BYST UDLR Data for standard controller 2 (High) STDCNTRL3L @ $421C ;R AXLR ---- Data for standard controller 3 (Low) STDCNTRL3H @ $421D ;R BYST UDLR Data for standard controller 3 (High) STDCNTRL4L @ $421E ;R AXLR ---- Data for standard controller 4 (Low) STDCNTRL4H @ $421F ;R BYST UDLR Data for standard controller 4 (High) ; Old Style Joypad Registers JOYSER0 @ $4016 ;R:---- --31 W:---- -xxL JOYSER1 @ $4017 ;R ---- --42 ; DMA / HDMA Registers DMAP0 @ $4300 ;RW DT-I FDDD Parameter for DMA transfer (Channel 0) BBAD0 @ $4301 ;RW AAAA AAAA B-bus address for DMA (Channel 0) A1T0L @ $4302 ;RW AAAA AAAA Table address of A-bus for DMA (Low) (Channel 0) A1T0H @ $4303 ;RW AAAA AAAA Table address of A-bus for DMA (High) (Channel 0) A1B0 @ $4304 ;RW BBBB BBBB Table address of A-bus for DMA (Bank) (Channel 0) DAS0L @ $4305 ;RW AAAA AAAA Data address store by H-DMA & Number of byte to be transferred settings by general purpose DMA (Low) (Channel 0) DAS0H @ $4306 ;RW AAAA AAAA Data address store by H-DMA & Number of byte to be transferred settings by general purpose DMA (High) (Channel 0) DASB0 @ $4307 ;RW BBBB BBBB Data address store by H-DMA (Bank) (Channel 0) A2A0L @ $4308 ;RW AAAA AAAA Table address of A-bus by DMA (Low) (Channel 0) A2A0H @ $4309 ;RW AAAA AAAA Table address of A-bus by DMA (High) (Channel 0) NTLR0 @ $430A ;RW CLLL LLLL The number of lines to be transferred by H-DMA (Channel 0) ;DMAUNKNOWN00 @ $430B ;RW ???? ???? Unknown (Channel 0) ;DMAUNKNOWN01 @ $430F ;RW ???? ???? Unknown (Channel 0) DMAP1 @ $4310 ;RW DT-I FDDD Parameter for DMA transfer (Channel 1) BBAD1 @ $4311 ;RW AAAA AAAA B-bus address for DMA (Channel 1) A1T1L @ $4312 ;RW AAAA AAAA Table address of A-bus for DMA (Low) (Channel 1) A1T1H @ $4313 ;RW AAAA AAAA Table address of A-bus for DMA (High) (Channel 1) A1B1 @ $4314 ;RW BBBB BBBB Table address of A-bus for DMA (Bank) (Channel 1) DAS1L @ $4315 ;RW AAAA AAAA Data address store by H-DMA & Number of byte to be transferred settings by general purpose DMA (Low) (Channel 1) DAS1H @ $4316 ;RW AAAA AAAA Data address store by H-DMA & Number of byte to be transferred settings by general purpose DMA (High) (Channel 1) DASB1 @ $4317 ;RW BBBB BBBB Data address store by H-DMA (Bank) (Channel 1) A2A1L @ $4318 ;RW AAAA AAAA Table address of A-bus by DMA (Low) (Channel 1) A2A1H @ $4319 ;RW AAAA AAAA Table address of A-bus by DMA (High) (Channel 1) NTLR1 @ $431A ;RW CLLL LLLL The number of lines to be transferred by H-DMA (Channel 1) ;DMAUNKNOWN10 @ $431B ;RW ???? ???? Unknown (Channel 1) ;DMAUNKNOWN11 @ $431F ;RW ???? ???? Unknown (Channel 1) DMAP2 @ $4320 ;RW DT-I FDDD Parameter for DMA transfer (Channel 2) BBAD2 @ $4321 ;RW AAAA AAAA B-bus address for DMA (Channel 2) A1T2L @ $4322 ;RW AAAA AAAA Table address of A-bus for DMA (Low) (Channel 2) A1T2H @ $4323 ;RW AAAA AAAA Table address of A-bus for DMA (High) (Channel 2) A1B2 @ $4324 ;RW BBBB BBBB Table address of A-bus for DMA (Bank) (Channel 2) DAS2L @ $4325 ;RW AAAA AAAA Data address store by H-DMA & Number of byte to be transferred settings by general purpose DMA (Low) (Channel 2) DAS2H @ $4326 ;RW AAAA AAAA Data address store by H-DMA & Number of byte to be transferred settings by general purpose DMA (High) (Channel 2) DASB2 @ $4327 ;RW BBBB BBBB Data address store by H-DMA (Bank) (Channel 2) A2A2L @ $4328 ;RW AAAA AAAA Table address of A-bus by DMA (Low) (Channel 2) A2A2H @ $4329 ;RW AAAA AAAA Table address of A-bus by DMA (High) (Channel 2) NTLR2 @ $432A ;RW CLLL LLLL The number of lines to be transferred by H-DMA (Channel 2) ;DMAUNKNOWN20 @ $432B ;RW ???? ???? Unknown (Channel 2) ;DMAUNKNOWN21 @ $432F ;RW ???? ???? Unknown (Channel 2) DMAP3 @ $4330 ;RW DT-I FDDD Parameter for DMA transfer (Channel 3) BBAD3 @ $4331 ;RW AAAA AAAA B-bus address for DMA (Channel 3) A1T3L @ $4332 ;RW AAAA AAAA Table address of A-bus for DMA (Low) (Channel 3) A1T3H @ $4333 ;RW AAAA AAAA Table address of A-bus for DMA (High) (Channel 3) A1B3 @ $4334 ;RW BBBB BBBB Table address of A-bus for DMA (Bank) (Channel 3) DAS3L @ $4335 ;RW AAAA AAAA Data address store by H-DMA & Number of byte to be transferred settings by general purpose DMA (Low) (Channel 3) DAS3H @ $4336 ;RW AAAA AAAA Data address store by H-DMA & Number of byte to be transferred settings by general purpose DMA (High) (Channel 3) DASB3 @ $4337 ;RW BBBB BBBB Data address store by H-DMA (Bank) (Channel 3) A2A3L @ $4338 ;RW AAAA AAAA Table address of A-bus by DMA (Low) (Channel 3) A2A3H @ $4339 ;RW AAAA AAAA Table address of A-bus by DMA (High) (Channel 3) NTLR3 @ $433A ;RW CLLL LLLL The number of lines to be transferred by H-DMA (Channel 3) ;DMAUNKNOWN30 @ $433B ;RW ???? ???? Unknown (Channel 3) ;DMAUNKNOWN31 @ $433F ;RW ???? ???? Unknown (Channel 3) DMAP4 @ $4340 ;RW DT-I FDDD Parameter for DMA transfer (Channel 4) BBAD4 @ $4341 ;RW AAAA AAAA B-bus address for DMA (Channel 4) A1T4L @ $4342 ;RW AAAA AAAA Table address of A-bus for DMA (Low) (Channel 4) A1T4H @ $4343 ;RW AAAA AAAA Table address of A-bus for DMA (High) (Channel 4) A1B4 @ $4344 ;RW BBBB BBBB Table address of A-bus for DMA (Bank) (Channel 4) DAS4L @ $4345 ;RW AAAA AAAA Data address store by H-DMA & Number of byte to be transferred settings by general purpose DMA (Low) (Channel 4) DAS4H @ $4346 ;RW AAAA AAAA Data address store by H-DMA & Number of byte to be transferred settings by general purpose DMA (High) (Channel 4) DASB4 @ $4347 ;RW BBBB BBBB Data address store by H-DMA (Bank) (Channel 4) A2A4L @ $4348 ;RW AAAA AAAA Table address of A-bus by DMA (Low) (Channel 4) A2A4H @ $4349 ;RW AAAA AAAA Table address of A-bus by DMA (High) (Channel 4) NTLR4 @ $434A ;RW CLLL LLLL The number of lines to be transferred by H-DMA (Channel 4) ;DMAUNKNOWN40 @ $434B ;RW ???? ???? Unknown (Channel 4) ;DMAUNKNOWN41 @ $434F ;RW ???? ???? Unknown (Channel 4) DMAP5 @ $4350 ;RW DT-I FDDD Parameter for DMA transfer (Channel 5) BBAD5 @ $4351 ;RW AAAA AAAA B-bus address for DMA (Channel 5) A1T5L @ $4352 ;RW AAAA AAAA Table address of A-bus for DMA (Low) (Channel 5) A1T5H @ $4353 ;RW AAAA AAAA Table address of A-bus for DMA (High) (Channel 5) A1B5 @ $4354 ;RW BBBB BBBB Table address of A-bus for DMA (Bank) (Channel 5) DAS5L @ $4355 ;RW AAAA AAAA Data address store by H-DMA & Number of byte to be transferred settings by general purpose DMA (Low) (Channel 5) DAS5H @ $4356 ;RW AAAA AAAA Data address store by H-DMA & Number of byte to be transferred settings by general purpose DMA (High) (Channel 5) DASB5 @ $4357 ;RW BBBB BBBB Data address store by H-DMA (Bank) (Channel 5) A2A5L @ $4358 ;RW AAAA AAAA Table address of A-bus by DMA (Low) (Channel 5) A2A5H @ $4359 ;RW AAAA AAAA Table address of A-bus by DMA (High) (Channel 5) NTLR5 @ $435A ;RW CLLL LLLL The number of lines to be transferred by H-DMA (Channel 5) ;DMAUNKNOWN50 @ $435B ;RW ???? ???? Unknown (Channel 5) ;DMAUNKNOWN51 @ $435F ;RW ???? ???? Unknown (Channel 5) DMAP6 @ $4360 ;RW DT-I FDDD Parameter for DMA transfer (Channel 6) BBAD6 @ $4361 ;RW AAAA AAAA B-bus address for DMA (Channel 6) A1T6L @ $4362 ;RW AAAA AAAA Table address of A-bus for DMA (Low) (Channel 6) A1T6H @ $4363 ;RW AAAA AAAA Table address of A-bus for DMA (High) (Channel 6) A1B6 @ $4364 ;RW BBBB BBBB Table address of A-bus for DMA (Bank) (Channel 6) DAS6L @ $4365 ;RW AAAA AAAA Data address store by H-DMA & Number of byte to be transferred settings by general purpose DMA (Low) (Channel 6) DAS6H @ $4366 ;RW AAAA AAAA Data address store by H-DMA & Number of byte to be transferred settings by general purpose DMA (High) (Channel 6) DASB6 @ $4367 ;RW BBBB BBBB Data address store by H-DMA (Bank) (Channel 6) A2A6L @ $4368 ;RW AAAA AAAA Table address of A-bus by DMA (Low) (Channel 6) A2A6H @ $4369 ;RW AAAA AAAA Table address of A-bus by DMA (High) (Channel 6) NTLR6 @ $436A ;RW CLLL LLLL The number of lines to be transferred by H-DMA (Channel 6) ;DMAUNKNOWN60 @ $436B ;RW ???? ???? Unknown (Channel 6) ;DMAUNKNOWN61 @ $436F ;RW ???? ???? Unknown (Channel 6) DMAP7 @ $4370 ;RW DT-I FDDD Parameter for DMA transfer (Channel 7) BBAD7 @ $4371 ;RW AAAA AAAA B-bus address for DMA (Channel 7) A1T7L @ $4372 ;RW AAAA AAAA Table address of A-bus for DMA (Low) (Channel 7) A1T7H @ $4373 ;RW AAAA AAAA Table address of A-bus for DMA (High) (Channel 7) A1B7 @ $4374 ;RW BBBB BBBB Table address of A-bus for DMA (Bank) (Channel 7) DAS7L @ $4375 ;RW AAAA AAAA Data address store by H-DMA & Number of byte to be transferred settings by general purpose DMA (Low) (Channel 7) DAS7H @ $4376 ;RW AAAA AAAA Data address store by H-DMA & Number of byte to be transferred settings by general purpose DMA (High) (Channel 7) DASB7 @ $4377 ;RW BBBB BBBB Data address store by H-DMA (Bank) (Channel 7) A2A7L @ $4378 ;RW AAAA AAAA Table address of A-bus by DMA (Low) (Channel 7) A2A7H @ $4379 ;RW AAAA AAAA Table address of A-bus by DMA (High) (Channel 7) NTLR7 @ $437A ;RW CLLL LLLL The number of lines to be transferred by H-DMA (Channel 7) ;DMAUNKNOWN70 @ $437B ;RW ???? ???? Unknown (Channel 7) ;DMAUNKNOWN71 @ $437F ;RW ???? ???? Unknown (Channel 7)