mirror of
https://github.com/bradgrantham/apple2e.git
synced 2024-11-18 20:06:10 +00:00
96 lines
5.7 KiB
Plaintext
96 lines
5.7 KiB
Plaintext
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soft switch with W 2 addresses, read high bit
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C002 49154 RDMAINRAM ECG W If 80STORE Off: Read Main Mem $0200-$BFFF
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C003 49155 RDCARDRAM ECG W If 80STORE Off: Read Aux Mem $0200-$BFFF
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C013 49171 RDRAMRD ECG R7 Status of Main/Aux RAM Reading
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C004 49156 WRMAINRAM ECG W If 80STORE Off: Write Main Mem $0200-$BFFF
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C005 49157 WRCARDRAM ECG W If 80STORE Off: Write Aux Mem $0200-$BFFF
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C014 49172 RDRAMWRT ECG R7 Status of Main/Aux RAM Writing
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C006 49158 SETSLOTCXROM E G W Peripheral ROM ($C100-$CFFF)
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C007 49159 SETINTCXROM E G W Internal ROM ($C100-$CFFF)
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C015 49173 RDCXROM E G R7 Status of Periph/ROM Access
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C008 49160 SETSTDZP ECG W Main Stack and Zero Page
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C009 49161 SETALTZP ECG W Aux Stack and Zero Page
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C016 49174 RDALTZP ECG R7 Status of Main/Aux Stack and Zero Page
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C00A 49162 SETINTC3ROM E G W ROM in Slot 3
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C00B 49163 SETSLOTC3ROM E G W ROM in Aux Slot
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C017 49175 RDC3ROM E G R7 Status of Slot 3/Aux Slot ROM
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C000 80STOREOFF ECG W Use $C002-$C005 for Aux Memory
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C001 49153 80STOREON ECG W Use PAGE2 for Aux Memory
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C018 49176 RD80STORE ECG R7 Status of $C002-$C005/PAGE2 for Aux Mem
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C00E 49166 CLRALTCHAR ECG W Primary Character Set
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C00F 49167 SETALTCHAR ECG W Alternate Character Set
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C01E 49182 RDALTCHAR ECG R7 Status of Primary/Alternate Character Set
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C00C 49164 CLR80VID ECG W 40 Columns
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C00D 49165 SET80VID ECG W 80 Columns
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C01F 49183 RD80VID ECG R7 Status of 40/80 Columns
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???
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C011 49169 RDLCBNK2 ECG R7 Status of Selected $Dx Bank
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C012 49170 RDLCRAM ECG R7 Status of $Dx ROM / $Dx RAM
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soft switch with R/W 2 addresses, read high bit
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C050 49232 TXTCLR OECG WR Display Graphics
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C051 49233 TXTSET OECG WR Display Text
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C01A 49178 RDTEXT ECG R7 Status of Text/Graphics
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C052 49234 MIXCLR OECG WR Display Full Screen
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C053 49235 MIXSET OECG WR Display Split Screen
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C01B 49179 RDMIXED ECG R7 Status of Full Screen/Mixed Graphics
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C054 49236 TXTPAGE1 OECG WR Display Page 1
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C055 49237 TXTPAGE2 OECG WR If 80STORE Off: Display Page 2
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ECG WR If 80STORE On: Read/Write Aux Display Mem
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C01C 49180 RDPAGE2 ECG R7 Status of Page 1/Page 2
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C056 49238 LORES OECG WR Display LoRes Graphics
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C057 49239 HIRES OECG WR Display HiRes Graphics
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C01D 49181 RDHIRES ECG R7 Status of LoRes/HiRes
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C000 49152 KBD OECG R Last Key Pressed + 128
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C010 49168 KBDSTRB OECG WR Keyboard Strobe
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C019 49177 RDVBL E G R7 Vertical Blanking (E:1=drawing G:0=drawing)
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C020 49184 TAPEOUT OE R Toggle Cassette Tape Output
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C028 49192 ROMBANK ???? ROM bank select toggle
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C02C 49196 CHARROM ???? Addr for test mode read of character ROM
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C02E 49198 VERTCNT ???? Addr for read of video cntr bits V5-VB
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C02F 49199 HORIZCNT ???? Addr for read of video cntr bits VA-H0
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C030 48200 SPKR OECG R Toggle Speaker
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C040 49216 STROBE OE R Game I/O Strobe Output
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C058 49240 CLRAN0 OE G WR If IOUDIS off: Annunciator 0 Off
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C059 49241 SETAN0 OE G WR If IOUDIS off: Annunciator 0 On
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C05A 49242 CLRAN1 OE G WR If IOUDIS off: Annunciator 1 Off
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C05B 49243 SETAN1 OE G WR If IOUDIS off: Annunciator 1 On
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C05C 49244 CLRAN2 OE G WR If IOUDIS off: Annunciator 2 Off
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C05D 49245 SETAN2 OE G WR If IOUDIS off: Annunciator 2 On
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C05E 49246 CLRAN3 OE G WR If IOUDIS off: Annunciator 3 Off
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DHIRESON ECG WR In 80-Column Mode: Double Width Graphics
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C05F 49247 SETAN3 OE G WR If IOUDIS off: Annunciator 3 On
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DHIRESOFF ECG WR In 80-Column Mode: Single Width Graphics
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C060 49248 TAPEIN OE R7 Read Cassette Input
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C061 49249 RDBTN0 ECG R7 Switch Input 0 / Open Apple
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C062 49250 BUTN1 E G R7 Switch Input 1 / Solid Apple
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C063 49251 RD63 E G R7 Switch Input 2 / Shift Key
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C064 49252 PADDL0 OECG R7 Analog Input 0
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C065 49253 PADDL1 OECG R7 Analog Input 1
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C066 49254 PADDL2 OE G R7 Analog Input 2
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C067 49255 PADDL3 OE G R7 Analog Input 3
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C070 49264 PTRIG E R Analog Input Reset
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C073 49267 BANKSEL ECG W Memory Bank Select for > 128K
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C07E 49278 IOUDISON EC W Disable IOU
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RDIOUDIS EC R7 Status of IOU Disabling
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C07F 49279 IOUDISOFF EC W Enable IOU
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RDDHIRES EC R7 Status of Double HiRes
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C080 49280 OECG R Read RAM bank 2; no write
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C081 49281 ROMIN OECG RR Read ROM; write RAM bank 2
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C082 49282 OECG R Read ROM; no write
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C083 49283 LCBANK2 OECG RR Read/write RAM bank 2
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C084 49284 OECG R Read RAM bank 2; no write
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C085 49285 ROMIN OECG RR Read ROM; write RAM bank 2
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C086 49286 OECG R Read ROM; no write
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C087 49287 LCBANK2 OECG RR Read/write RAM bank 2
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C088 49288 OECG R Read RAM bank 1; no write
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C089 49289 OECG RR Read ROM; write RAM bank 1
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C08A 49290 OECG R Read ROM; no write
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C08B 49291 OECG RR Read/write RAM bank 1
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C08C 49292 OECG R Read RAM bank 1; no write
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C08D 49293 OECG RR Read ROM; write RAM bank 1
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C08E 49294 OECG R Read ROM; no write
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C08F 49295 OECG RR Read/write RAM bank 1
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