Differences
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mg_notes:general:io_page [2018/01/16 17:34] M.G. [IIgs Quick Ref Table] |
mg_notes:general:io_page [2022/08/01 18:37] (current) M.G. [Address List] clarify KBD |
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| ^ Address ^ Name ^ Comp((O = Apple II+, E = Apple IIe, C = Apple IIc and IIc Plus, P = Apple IIc Plus Only, G = Apple IIgs, M = IIe PDS Card Only)) ^ Act((R = Read, W = Write, 7 = Bit 7, V = register)) ^ Description ^ | ^ Address ^ Name ^ Comp((O = Apple II+, E = Apple IIe, C = Apple IIc and IIc Plus, P = Apple IIc Plus Only, G = Apple IIgs, M = IIe PDS Card Only)) ^ Act((R = Read, W = Write, 7 = Bit 7, V = register)) ^ Description ^ | ||
| - | | C000 49152 | KBD | OECG | R | Last Key Pressed + 128 | | + | | C000 49152 | KBD | OECG | R | Last Key Pressed (+ 128 if strobe not cleared) | |
| | | 80STOREOFF | ECG | W | Use $C002-$C005 for Aux Memory | | | | 80STOREOFF | ECG | W | Use $C002-$C005 for Aux Memory | | ||
| | C001 49153 | 80STOREON | ECG | W | Use PAGE2 for Aux Memory | | | C001 49153 | 80STOREON | ECG | W | Use PAGE2 for Aux Memory | | ||
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| | C008 49160 | SETSTDZP | ECG | W | Main Stack and Zero Page | | | C008 49160 | SETSTDZP | ECG | W | Main Stack and Zero Page | | ||
| | C009 49161 | SETALTZP | ECG | W | Aux Stack and Zero Page | | | C009 49161 | SETALTZP | ECG | W | Aux Stack and Zero Page | | ||
| - | | C00A 49162 | SETINTC3ROM | E G | W | ROM in Slot 3 | | + | | C00A 49162 | SETINTC3ROM | E G | W | Use Internal Slot 3 ROM | |
| - | | C00B 49163 | SETSLOTC3ROM | E G | W | ROM in Aux Slot | | + | | C00B 49163 | SETSLOTC3ROM | E G | W | Use Card Slot 3 ROM | |
| | C00C 49164 | CLR80VID | ECG | W | 40 Columns | | | C00C 49164 | CLR80VID | ECG | W | 40 Columns | | ||
| | C00D 49165 | SET80VID | ECG | W | 80 Columns | | | C00D 49165 | SET80VID | ECG | W | 80 Columns | | ||
| Line 52: | Line 52: | ||
| | C026 49190 | DATAREG | G | V | ADB Command/Data \\ b0-2=# b3=valid b4=clr buf b5=reboot b6=abort b7=status | | | C026 49190 | DATAREG | G | V | ADB Command/Data \\ b0-2=# b3=valid b4=clr buf b5=reboot b6=abort b7=status | | ||
| | C027 49191 | KMSTATUS | G | V | ADB Status \\ b0=cmdFull b1=mouseX b2=keyIntr b3=key \\ b4=cmdIntr b5=data 6=mouseInt 7=mouse | | | C027 49191 | KMSTATUS | G | V | ADB Status \\ b0=cmdFull b1=mouseX b2=keyIntr b3=key \\ b4=cmdIntr b5=data 6=mouseInt 7=mouse | | ||
| - | | C028 49192 | ROMBANK | C | W | ROM bank select toggle | | + | | C028 49192 | ROMBANK | C | W | ROM bank select toggle. \\ Not on unmodified machines with original 16K ROM. | |
| | | ROMBANK | G | WR | ROM bank select toggle (ROM 0/1 IIgs only) \\ Switch $D000-FFFF between \\ $FFD000-$FFFFFF and $FF9000-$FFBFFFF | | | | ROMBANK | G | WR | ROM bank select toggle (ROM 0/1 IIgs only) \\ Switch $D000-FFFF between \\ $FFD000-$FFFFFF and $FF9000-$FFBFFFF | | ||
| | | MAINROM | M | WR | IIe PDS Card: Select main firmware | | | | MAINROM | M | WR | IIe PDS Card: Select main firmware | | ||
| Line 135: | Line 135: | ||
| | | CGGA_5F | P | WR | IIc+/Zip Chip: Paddle delay & Language Card cache | | | | CGGA_5F | P | WR | IIc+/Zip Chip: Paddle delay & Language Card cache | | ||
| | | ZIPGS_5F | G | R | ZipGS: Read last tag and reset cshupd | | | | ZIPGS_5F | G | R | ZipGS: Read last tag and reset cshupd | | ||
| + | | C060-C06F | OKI6242 | C | WR | AE Z-RAM Ultra Clock - OKI 6242 chip (low 4 bits of each location) | | ||
| | C060 49248 | TAPEIN | OE | R7 | Read Cassette Input (not on IIe PDS Card) | | | C060 49248 | TAPEIN | OE | R7 | Read Cassette Input (not on IIe PDS Card) | | ||
| | | | C | R7 | Status of 80/40 Column Switch (not IIc Plus) | | | | | C | R7 | Status of 80/40 Column Switch (not IIc Plus) | | ||
| Line 191: | Line 192: | ||
| | C08E 49294 | | OECG | R | Read ROM; no write | | | C08E 49294 | | OECG | R | Read ROM; no write | | ||
| | C08F 49295 | | OECG | RR | Read/write RAM bank 1 | | | C08F 49295 | | OECG | RR | Read/write RAM bank 1 | | ||
| - | | C090--C09F | | OE G | | slot 1 (not IIe PDS Card) | | + | | C090--C09F | | OE G | | slot 1 (virtual in IIe PDS Card) | |
| | C098 | | C | V | ACIA 1 tx/rx data register | | | C098 | | C | V | ACIA 1 tx/rx data register | | ||
| | C099 | | C | V | ACIA 1 tx/rx status register | | | C099 | | C | V | ACIA 1 tx/rx status register | | ||
| | C09A | | C | V | ACIA 1 tx/rx command register | | | C09A | | C | V | ACIA 1 tx/rx command register | | ||
| | C09B | | C | V | ACIA 1 tx/rx control register | | | C09B | | C | V | ACIA 1 tx/rx control register | | ||
| - | | C0A0--C0AF | | OE G | | slot 2 (not IIe PDS Card) | | + | | C0A0--C0AF | | OE G | | slot 2 (virtual in IIe PDS Card) | |
| | C098 | | C | V | ACIA 2 tx/rx data register | | | C098 | | C | V | ACIA 2 tx/rx data register | | ||
| | C099 | | C | V | ACIA 2 tx/rx status register | | | C099 | | C | V | ACIA 2 tx/rx status register | | ||
| | C09A | | C | V | ACIA 2 tx/rx command register | | | C09A | | C | V | ACIA 2 tx/rx command register | | ||
| | C09B | | C | V | ACIA 2 tx/rx control register | | | C09B | | C | V | ACIA 2 tx/rx control register | | ||
| - | | C0B0--C0BF | | OE G | | slot 3 (not IIe PDS Card) | | + | | C0B0--C0BF | | OE G | | slot 3 (video only in IIe PDS Card) | |
| | C0C0--C0CF | | OE G | | slot 4 (not IIe PDS Card) | | | C0C0--C0CF | | OE G | | slot 4 (not IIe PDS Card) | | ||
| | C0C0 | ADDRL | C | V | IIc Mem Expansion: Address low byte | | | C0C0 | ADDRL | C | V | IIc Mem Expansion: Address low byte | | ||
| Line 207: | Line 208: | ||
| | C0C2 | ADDRH | C | V | IIc Mem Expansion: Address high byte | | | C0C2 | ADDRH | C | V | IIc Mem Expansion: Address high byte | | ||
| | C0C3 | DATA | C | V | IIc Mem Expansion: Address data byte | | | C0C3 | DATA | C | V | IIc Mem Expansion: Address data byte | | ||
| - | | C0D0--C0DF | | OE G | | slot 5 (not IIe PDS Card) | | + | | C0D0--C0DF | | OE G | | slot 5 (virtual in IIe PDS Card) | |
| - | | C0E0--C0EF | | OE G | | slot 6 (not IIe PDS Card) | | + | | C0E0--C0EF | | OE G | | slot 6 (Disk II only in IIe PDS Card) | |
| | C0E0 | | MCG | | IWM:PH0 off | | | C0E0 | | MCG | | IWM:PH0 off | | ||
| | C0E1 | | MCG | | IWM:PH0 on | | | C0E1 | | MCG | | IWM:PH0 on | | ||
| Line 225: | Line 226: | ||
| | C0EE | | MCG | | IWM:Q7 off (WP sense/read) | | | C0EE | | MCG | | IWM:Q7 off (WP sense/read) | | ||
| | C0EF | | MCG | | IWM:Q7 on (Write) | | | C0EF | | MCG | | IWM:Q7 on (Write) | | ||
| - | | C0F0--C0FF | | OE G | | slot 7 (not IIe PDS Card) | | + | | C0F0--C0FF | | OE G | | slot 7 (virtual in IIe PDS Card) | |
| ===== IIgs Quick Ref Table ===== | ===== IIgs Quick Ref Table ===== | ||