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150 lines
6.8 KiB
Plaintext
150 lines
6.8 KiB
Plaintext
; Copyright 2018 faddenSoft. All Rights Reserved.
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; See the LICENSE.txt file for distribution terms (Apache 2.0).
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;
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; Adapted from NiftyList, by Dave Lyons, and Apple II reference materials
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; found online.
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*SYNOPSIS Symbols from the Cxxx I/O area, common to most Apple II models.
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; There's a lot here that you wouldn't find on an Apple ][+, but since
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; this is for a disassembler it's okay to have extra stuff so long as it
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; doesn't conflict.
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KBD @ $C000 ;R last key pressed + 128
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CLR80COL = $c000 ;W use $C002-C005 for aux mem (80STOREOFF)
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SET80COL @ $C001 ;W use PAGE2 for aux mem (80STOREON)
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RDMAINRAM @ $C002 ;W if 80STORE off: read main mem $0200-BFFF
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RDCARDRAM @ $C003 ;W if 80STORE off: read aux mem $0200-BFFF
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WRMAINRAM @ $C004 ;W if 80STORE off: write main mem $0200-BFFF
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WRCARDRAM @ $C005 ;W if 80STORE off: write aux mem $0200-BFFF
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SETSLOTCXROM @ $C006 ;W peripheral ROM ($C100-CFFF)
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SETINTCXROM @ $C007 ;W internal ROM ($C100-CFFF)
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SETSTDZP @ $C008 ;W main stack and zero page
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SETALTZP @ $C009 ;W aux stack and zero page
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SETINTC3ROM @ $C00A ;W ROM in slot 3
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SETSLOTC3ROM @ $C00B ;W ROM in aux slot
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CLR80VID @ $C00C ;W 40 columns
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SET80VID @ $C00D ;W 80 columns
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CLRALTCHAR @ $C00E ;W primary char set
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SETALTCHAR @ $C00F ;W alternate char set
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KBDSTRB @ $C010 ;RW keyboard strobe
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RDLCBNK2 @ $C011 ;R status of selected $Dx bank
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RDLCRAM @ $C012 ;R status of $Dx ROM / $Dx RAM
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RDRAMRD @ $C013 ;R status of main/aux RAM reading
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RDRAMWRT @ $C014 ;R status of main/aux RAM writing
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RDCXROM @ $C015 ;R status of periph/ROM access
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RDALTZP @ $C016 ;R status of main/aux stack and zero page
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RDC3ROM @ $C017 ;R status of slot 3 / aux slot ROM
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RD80COL @ $C018 ;R status of $C002-C005/PAGE2 for aux mem
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RDVBLBAR @ $C019 ;R vertical blanking state
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RDTEXT @ $C01A ;R status of text/graphics
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RDMIX @ $C01B ;R status of full screen / mixed graphics
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RDPAGE2 @ $C01C ;R status of page 1 / page 2
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RDHIRES @ $C01D ;R status of lo-res / hi-res
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ALTCHARSET @ $C01E ;R status of primary / alternate char set
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RD80VID @ $C01F ;R status of 40/80 columns
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TAPEOUT @ $C020 ;RW toggle caseette tape output
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MONOCOLOR @ $C021 ;W color/mono
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TBCOLOR @ $C022 ;RW screen color (low is BG, high is FG)
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VGCINT @ $C023 ;R VGC interrupts
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MOUSEDATA @ $C024 ;R mouse data: high bit is button
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KEYMODREG @ $C025 ;R modifier key state
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DATAREG @ $C026 ;RW ADB command/data
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KMSTATUS @ $C027 ;RW ADB status
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ROMBANK @ $C028 ;RW ROM bank select (IIc Plus)
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NEWVIDEO @ $C029 ;RW video select (SHR)
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LANGSEL @ $C02B ;RW ROM bank select
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CHARROM @ $C02C ;R addr for character ROM test
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SLTROMSEL @ $C02D ;RW slot vs. ROM selection
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VERTCNT @ $C02E ;R read video counter bits (V5-VB)
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HORIZCNT @ $C02F ;R read video counter bits (VA-H0)
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SPKR @ $C030 ;RW toggle speaker
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DISKREG @ $C031 ;RW disk interface
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SCANINT @ $C032 ;W VGC interrupt clear
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CLOCKDATA @ $C033 ;RW battery RAM interface
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CLOCKCTL @ $C034 ;RW bits 0-3 = border color
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SHADOW @ $C035 ;RW inhibit shadowing
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CYAREG @ $C036 ;RW Configure Your Apple
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DMAREG @ $C037 ;RW
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SCCBREG @ $C038 ;RW SCC command channel B
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SCCAREG @ $C039 ;RW SCC command channel A
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SCCBDATA @ $C03A ;RW SCC data channel B
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SCCADATA @ $C03B ;RW SCC data channel A
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SOUNDCTL @ $C03C ;RW sound settings (0-3=volume)
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SOUNDDATA @ $C03D ;RW sound data
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SOUNDADRL @ $C03E ;RW low pointer
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SOUNDADRH @ $C03F ;RW high pointer
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STROBE @ $C040 ;R game I/O strobe
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INTEN @ $C041 ;RW read VBL interrupt
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MMDELTAX @ $C044 ;R mouse delta movement X
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MMDELTAY @ $C045 ;R mouse delta movement Y
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DIAGTYPE @ $C046 ;W self-test diagnostics
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CLRVBLINT @ $C047 ;W clear VBL interrupt
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CLRXYINT @ $C048 ;W clear XY interrupt
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EMUBYTE @ $C04F ;RW used by emulators to identify themselves
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TXTCLR @ $C050 ;RW display graphics
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TXTSET @ $C051 ;RW display text
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MIXCLR @ $C052 ;RW display full screen
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MIXSET @ $C053 ;RW display split screen
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TXTPAGE1 @ $C054 ;RW display page 1
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TXTPAGE2 @ $C055 ;RW display page 2 (or read/write aux mem)
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LORES @ $C056 ;RW display lo-res graphics
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HIRES @ $C057 ;RW display hi-res graphics
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SETAN0 @ $C058 ;RW annunciator 0 off
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CLRAN0 @ $C059 ;RW annunciator 0 on
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SETAN1 @ $C05A ;RW annunciator 1 off
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CLRAN1 @ $C05B ;RW annunciator 1 on
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SETAN2 @ $C05C ;RW annunciator 2 off
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CLRAN2 @ $C05D ;RW annunciator 2 on
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SETAN3 @ $C05E ;RW annunciator 3 off
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CLRAN3 @ $C05F ;RW annunciator 3 on
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TAPEIN = $C060 ;R read cassette input
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BUTN3 @ $C060 ;R switch input 3
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BUTN0 @ $C061 ;R switch input 0 / open-apple
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BUTN1 @ $C062 ;R switch input 1 / closed-apple
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BUTN2 @ $C063 ;R switch input 2 / shift key
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PADDL0 @ $C064 ;R analog input 0
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PADDL1 @ $C065 ;R analog input 1
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PADDL2 @ $C066 ;R analog input 2
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PADDL3 @ $C067 ;R analog input 3
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STATEREG @ $C068 ;RW address state
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TESTREG @ $C06D ;test mode
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CLTRM @ $C06E ;clear test mode
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ENTM @ $C06F ;enable test mode
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PTRIG @ $C070 ;RW analog input reset
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; $C080 ;RW read RAM, write off, bank 2
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ROMIN @ $C081 ;RW read ROM, write on, bank 2
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ROMIN_RO @ $C082 ;RW read ROM, write off, bank 2
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LCBANK2 @ $C083 ;RW read RAM, write on, bank 2
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; $C088 ;RW read RAM, write off, bank 1
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; $C089 ;RW read ROM, write on, bank 1
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; $C08A ;RW read ROM, write off, bank 1
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LCBANK1 @ $C08B ;RW read RAM, write on, bank 1
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CLRROM @ $CFFF
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;IWM:PH0 off @ C0E0
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;IWM:PH0 on @ C0E1
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;IWM:PH1 off @ C0E2
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;IWM:PH1 on @ C0E3
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;IWM:PH2 off @ C0E4
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;IWM:PH2 on @ C0E5
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;IWM:PH3 off @ C0E6
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;IWM:PH3 on @ C0E7
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;IWM:motor off @ C0E8
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;IWM:motor on @ C0E9
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;IWM:drive 1 @ C0EA
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;IWM:drive 2 @ C0EB
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;IWM:Q6 OFF (Read) @ C0EC
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;IWM:Q6 ON (WP-sense) @ C0ED
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;IWM:Q7 OFF (WP-sense/Read) @ C0EE
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;IWM:Q7 ON (Write) @ C0EF
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; Not strictly I/O locations, but they're in the neighborhood.
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ROM_AUXMOVE @ $C311
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ROM_XFER @ $C314
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