;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; ; Let's start a little library for naming parts of memory in the NES ; ; Including this file will not emit any instructions or data into your binary ; It only defines symbols in the symbol table to name memory addresses ; ; Author: Saf Allen 2015 ; I picked up some extra register names for mappers etc here: ; http://wiki.nesdev.com/w/index.php/Registers ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; .org $0000 .scope nes .scope ppu .org $2000 .space control1 1 ; $2000 .space control2 1 ; $2001 .space status 1 ; $2002 . .scope sprite .space address 1 ; $2003 .space io 1 ; $2004 .org $4014 .space dma 1 ; $4014 . .scope vram .org $2005 .space address1 1 ; $2005 .space address2 1 ; $2006 .space io 1 ; $2007 . ; Now let's do the APU registers .org $4000 .scope apu .scope pulse1 .space control 1 ; $4000 .space ramp_control 1 ; $4001 .space ft 1 ; $4002 .space ct 1 ; $4003 . .scope pulse2 .space control 1 ; $4004 .space ramp_control 1 ; $4005 .space ft 1 ; $4006 .space ct 1 ; $4007 . .scope triangle .space control1 1 ; $4008 .space control2 1 ; $4009 .space freq1 1 ; $400A .space freq2 1 ; $400B . .scope noise .space control1 1 ; $400C .space control2 1 ; $400D .space freq1 1 ; $400E .space freq2 1 ; $400F . .scope dmc .space control 1 ; $4010 .space da 1 ; $4011 .space address 1 ; $4012 .space dl 1 ; $4013 . .org $4015 .space channel_enable 1 ; $4015 . .org $4016 .space controller1 1 ; $4016 .space controller2 1 ; $4017 .scope mapper .org $8000 .space unrom 1 .org $8000 .space cnrom 1 .org $8000 .space mmc1_control 1 .org $A000 .space mmc1_vrom_low 1 .org $C000 .space mmc1_vrom_high 1 .org $E000 .space mmc1_prog 1 .org $8000 .space mmc3_command 1 .space mmc3_page 1 .org $A000 .space mmc3_mirror 1 .space mmc3_sram 1 .org $C000 .space mmc3_clock 1 .space mmc3_latch 1 .org $E000 .space mmc3_clock_off 1 .space mmc3_clock_on 1 . . ; Let's put PC back somewhere sane .org $0000