CPCWiki - THE Amstrad CPC encyclopedia! - User contributions [en]

I/O Port Summary

2007-01-21T21:28:50Z

83.26.224.50:

The is a list of all known I/O ports of the Amstrad CPC (copied from the [[FutureOS]] manual).

{|{{Prettytable|width: 700px; font-size: 2em;}}
|''I/O''||''Decoded as''||''Port''||''Read''||''Write''
|-
|#7FXX||%0xxxxxxx xxxxxxxx||[[Gate Array]]|| ||Write
|-
|#BCXX||%x0xxxx00 xxxxxxxx||6845 [[CRTC]] Address-Register|| - ||Write
|-
|#BDXX||%x0xxxx01 xxxxxxxx||6845 [[CRTC]] Data-Register|| - ||Write
|-
|#BEXX||%x0xxxx10 xxxxxxxx||6845 [[CRTC]] Status-Register||Read|| -
|-
|#BFXX||%x0xxxx11 xxxxxxxx||6845 [[CRTC]] Video-Address-Register||Read|| -
|-
|#DFXX||%xx0xxxxx xxxxxxxx||select ROM|| - ||Write
|-
|#EFXX||%xxx0xxxx xxxxxxxx||Printer Port|| - ||Write
|-
|#F4XX||%xxxx0x00 xxxxxxxx||8255 PIO Port A||Read||Write
|-
|#F5XX||%xxxx0x01 xxxxxxxx||8255 PIO Port B||Read|| -
|-
|#F6XX||%xxxx0x10 xxxxxxxx||8255 PIO Port C|| - ||Write
|-
|#F7XX||%xxxx0x11 xxxxxxxx||8255 PIO Control-Register|| - ||Write
|-
|#F8B0||?||Vidi-CPC Video-Digitiser||?||?
|-
|#F8B1||?||Vidi-CPC Video-Digitiser||?||?
|-
|#F8DC - #F8DD||?||CPCI Serial Interface||Read||Write
|-
|#F8E0||?||Z80 STI Indirect Data Register||Read||Write
|-
|#F8E1||?||Z80 STI Gen. Purpose I/O Interrupt||Read||Write
|-
|#F8E8||?||Z80 STI Pointer Vector Register||Read||Write
|-
|#F8E8||?||Music Machine|| - ||Write
|-
|#F8EC||?||Z80 STI USART Control Register||Read||Write
|-
|#F8EC||?||Music Machine|| - ||Write
|-
|#F8ED||?||Z80 STI Receiver Status Register||Read||Write
|-
|#F8EE||?||Z80 STI Transmitter Status Register||Read||Write
|-
|#F8EF||?||Z80 STI USART Data Register||Read||Write
|-
|#F8EF||?||Music Machine||Read|| -
|-
|#F8E2 - #F8E4||?||Dobbertin Eprommer 4003||?||?
|-
|#F8F0||?||Music Machine|| - ||Write
|-
|#F8F2||?||Dobbertin Eprommer 4003||?||?
|-
|#F8F4||?||Music Machine||Read|| -
|-
|#F8F8||?||Music Machine|| - ||Write
|-
|#F8FF||%1111100x 111xxxxx||CPCISA control port|| - ||Write
|-
|#F9B0||?||Vidi-CPC Video-Digitiser||?||?
|-
|#F9FC - #F9FE||?||Otten & Fecht 1 MB RAM-Disc||?||?
|-
|#FA7E||%xxxxxx0x0 0xxxxxxx||Floppy Motor Control|| - ||Write
|-
|#FADC||?||Z80-SIO / DART port A Data Register||Read||Write
|-
|#FADD||?||Z80-SIO / DART port A Control Reg.||Read||Write
|-
|#FADE||?||Z80-SIO / DART port B Data Register||Read||Write
|-
|#FADF||?||Z80-SIO / DART port B Control Reg.||Read||Write
|-
|#FB7E||%xxxxxx0x1 0xxxxxx0||765 FDC (internal) Status Register||Read|| -
|-
|#FB7F||%xxxxxx0x1 0xxxxxx1||765 FDC (internal) Data Register||Read||Write
|-
|#FBDC||?||8253 Timer counter 0||Read||Write
|-
|#FBDD||?||8253 Timer counter 1||Read||Write
|-
|#FBDE||?||8253 Timer counter 2||Read||Write
|-
|#FBDF||?||8253 Timer Modus Select|| - ||Write
|-
|#FBE0||?||Hard Disc Data Port||Read||Write
|-
|#FBE1||?||Hard Disc Status, Reset||Read||Write
|-
|#FBE2||?||Hard Disc Select, Configuration||Read||Write
|-
|#FBE3||?||Hard Disc DMA, Interrupt||Read||Write
|-
|#FBE4||?||Hard Disc Reset||Read||Write
|-
|#FBE0 - #FBE3||?||dk'tronics RTC.||?||?
|-
|#FBE8||?||dk'tronics RTC.||?||?
|-
|#FBEE||?||SSA1 dk'tronics Speech-Module||Read||Write
|-
|#FBF0 - #FBFF||?||Otten & Fecht 1 MB RAM-Disc||?||?
|-
|#FBF6||?||765 FDC (Vortex,ext) Status Register||Read|| -
|-
|#FBF7||?||765 FDC (Vortex,ext) Data Register||Read||Write
|-
|#FC00 - #FDFF||%1111110x xxxxxxxx||CPCISA 16bits mode high byte latch||Read||Write
|-
|#FD00 - #FD3F||?||SYMBiFACE II||Read||Write
|-
|#FE00 - #FFFF||%1111111x xxxxxxxx||CPCISA I/O access (low byte)||Read||Write
|-
|#FEE8||?||Multiface II||?||?
|-
|#FEEA||?||Multiface II||?||?
|-
|#FFXX||%11111111 xxxxxxxx||CPC Booster (XX=#00..#28 are used now)||Read||Write
|-
|}

CPCISA ports for ISA cards
{|{{Prettytable|width: 700px; font-size: 2em;}}
|''Device''||''PC I/O range''||''CPCISA high''||''CPCISA low''
|-
|IDE1||1F0h..1F7h||#FDF0..#FDF7||#FFF0..#FFF7
|-
|IDE2||170h..177h||#FD70..#FD77||#FF70..#FF77
|-
|Joystick||201h..201h||#FC01..#FC01||#FE01..#FE01
|-
|Ethernet||210h..21Fh||#FC10..#FC1F||#FE10..#FE1F
|-
|Sound Blaster||220h..23Fh||#FC20..#FC3F||#FE20..#FE3F
|-
|LPT2||278h..27Fh||#FC78..#FC7F||#FE78..#FE7F
|-
|COM1||2F8h..2FFh||#FCF8..#FCFF||#FEF8..#FEFF
|-
|MIDI'||300h..301h||#FD00..#FD01||#FF00..#FF01
|-
|MIDI||330h..331h||#FD30..#FD31||#FF30..#FF31
|-
|Sound control||370h..371h||#FD70..#FD71||#FF70..#FF71
|-
|FDC1||372h..377h||#FD72..#FD77||#FF72..#FF77
|-
|LPT1||378h..37Fh||#FD78..#FD7F||#FF78..#FF7F
|-
|Sound AD-LIB||388h..38Bh||#FD88..#FD8B||#FF88..#FF8B
|-
|VGA||3B0h..3BBh||#FDB0..#FDBB||#FFB0..#FFBB
|-
|LPT3||3BCh..3BFh||#FDBC..#FDBF||#FFBC..#FFBF
|-
|VGA||3C0h..3DFh||#FDC0..#FDCF||#FFC0..#FFCF
|-
|FDC1||3F2h..3F7h||#FDF2..#FDF7||#FFF2..#FFF7
|-
|COM1||3F8h..3FFh||#FDF8..#FDFF||#FFF8..#FFFF
|-
|}

CPCISA ports for ISA motherboard
{|{{Prettytable|width: 700px; font-size: 2em;}}
|''Device''||''PC I/O range''||''CPCISA high''||''CPCISA low''
|-
|DMA||000h..00Fh||#FC00..#FC0F||#FE00..#FE0F
|-
|interrupt||020h..03Fh||#FC20..#FC3F||#FE20..#FE3F
|-
|counter||040h..05Fh||#FC40..#FC5F||#FE40..#FE5F
|-
|keyboard||060h..067h||#FC60..#FC67||#FE60..#FE67
|-
|RTC||070h..071h||#FC70..#FC71||#FE70..#FE71
|-
|DMA||080h..08Fh||#FC80..#FC8F||#FE80..#FE8F
|-
|DMA||0C0h..0DFh||#FCC0..#FCDF||#FEC0..#FEDF
|-
|interrupt||0A0h..0BFh||#FCA0..#FCBF||#FEA0..#FEBF
|-
|}

[[Category:Programming]] [[Category:Stub]]

I/O Port Summary

2007-01-21T21:25:07Z

83.26.224.50:

The is a list of all known I/O ports of the Amstrad CPC (copied from the [[FutureOS]] manual).

{|{{Prettytable|width: 700px; font-size: 2em;}}
|''I/O''||''Decoded as''||''Port''||''Read''||''Write''
|-
|#7FXX||%0xxxxxxx xxxxxxxx||[[Gate Array]]|| ||Write
|-
|#BCXX||%x0xxxx00 xxxxxxxx||6845 [[CRTC]] Address-Register|| - ||Write
|-
|#BDXX||%x0xxxx01 xxxxxxxx||6845 [[CRTC]] Data-Register|| - ||Write
|-
|#BEXX||%x0xxxx10 xxxxxxxx||6845 [[CRTC]] Status-Register||Read|| -
|-
|#BFXX||%x0xxxx11 xxxxxxxx||6845 [[CRTC]] Video-Address-Register||Read|| -
|-
|#DFXX||%xx0xxxxx xxxxxxxx||select ROM|| - ||Write
|-
|#EFXX||%xxx0xxxx xxxxxxxx||Printer Port|| - ||Write
|-
|#F4XX||%xxxx0x00 xxxxxxxx||8255 PIO Port A||Read||Write
|-
|#F5XX||%xxxx0x01 xxxxxxxx||8255 PIO Port B||Read|| -
|-
|#F6XX||%xxxx0x10 xxxxxxxx||8255 PIO Port C|| - ||Write
|-
|#F7XX||%xxxx0x11 xxxxxxxx||8255 PIO Control-Register|| - ||Write
|-
|#F8B0||?||Vidi-CPC Video-Digitiser||?||?
|-
|#F8B1||?||Vidi-CPC Video-Digitiser||?||?
|-
|#F8DC - #F8DD||?||CPCI Serial Interface||Read||Write
|-
|#F8E0||?||Z80 STI Indirect Data Register||Read||Write
|-
|#F8E1||?||Z80 STI Gen. Purpose I/O Interrupt||Read||Write
|-
|#F8E8||?||Z80 STI Pointer Vector Register||Read||Write
|-
|#F8E8||?||Music Machine|| - ||Write
|-
|#F8EC||?||Z80 STI USART Control Register||Read||Write
|-
|#F8EC||?||Music Machine|| - ||Write
|-
|#F8ED||?||Z80 STI Receiver Status Register||Read||Write
|-
|#F8EE||?||Z80 STI Transmitter Status Register||Read||Write
|-
|#F8EF||?||Z80 STI USART Data Register||Read||Write
|-
|#F8EF||?||Music Machine||Read|| -
|-
|#F8E2 - #F8E4||?||Dobbertin Eprommer 4003||?||?
|-
|#F8F0||?||Music Machine|| - ||Write
|-
|#F8F2||?||Dobbertin Eprommer 4003||?||?
|-
|#F8F4||?||Music Machine||Read|| -
|-
|#F8F8||?||Music Machine|| - ||Write
|-
|#F8FF||%1111100x 111xxxxx||CPCISA control port|| - ||Write
|-
|#F9B0||?||Vidi-CPC Video-Digitiser||?||?
|-
|#F9FC - #F9FE||?||Otten & Fecht 1 MB RAM-Disc||?||?
|-
|#FA7E||%xxxxxx0x0 0xxxxxxx||Floppy Motor Control|| - ||Write
|-
|#FADC||?||Z80-SIO / DART port A Data Register||Read||Write
|-
|#FADD||?||Z80-SIO / DART port A Control Reg.||Read||Write
|-
|#FADE||?||Z80-SIO / DART port B Data Register||Read||Write
|-
|#FADF||?||Z80-SIO / DART port B Control Reg.||Read||Write
|-
|#FB7E||%xxxxxx0x1 0xxxxxx0||765 FDC (internal) Status Register||Read|| -
|-
|#FB7F||%xxxxxx0x1 0xxxxxx1||765 FDC (internal) Data Register||Read||Write
|-
|#FBDC||?||8253 Timer counter 0||Read||Write
|-
|#FBDD||?||8253 Timer counter 1||Read||Write
|-
|#FBDE||?||8253 Timer counter 2||Read||Write
|-
|#FBDF||?||8253 Timer Modus Select|| - ||Write
|-
|#FBE0||?||Hard Disc Data Port||Read||Write
|-
|#FBE1||?||Hard Disc Status, Reset||Read||Write
|-
|#FBE2||?||Hard Disc Select, Configuration||Read||Write
|-
|#FBE3||?||Hard Disc DMA, Interrupt||Read||Write
|-
|#FBE4||?||Hard Disc Reset||Read||Write
|-
|#FBE0 - #FBE3||?||dk'tronics RTC.||?||?
|-
|#FBE8||?||dk'tronics RTC.||?||?
|-
|#FBEE||?||SSA1 dk'tronics Speech-Module||Read||Write
|-
|#FBF0 - #FBFF||?||Otten & Fecht 1 MB RAM-Disc||?||?
|-
|#FBF6||?||765 FDC (Vortex,ext) Status Register||Read|| -
|-
|#FBF7||?||765 FDC (Vortex,ext) Data Register||Read||Write
|-
|#FC00 - #FDFF||%1111110x xxxxxxxx||CPCISA 16bits mode high byte latch||Read||Write
|-
|#FD00 - #FD3F||?||SYMBiFACE II||Read||Write
|-
|#FE00 - #FFFF||%1111111x xxxxxxxx||CPCISA I/O access (low byte)||Read||Write
|-
|#FEE8||?||Multiface II||?||?
|-
|#FEEA||?||Multiface II||?||?
|-
|#FFXX||?||CPC Booster (XX=#00..#28 are used now)||Read||Write
|-
|}

CPCISA ports for ISA cards
{|{{Prettytable|width: 700px; font-size: 2em;}}
|''Device''||''PC I/O range''||''CPCISA high''||''CPCISA low''
|-
|IDE1||1F0h..1F7h||#FDF0..#FDF7||#FFF0..#FFF7
|-
|IDE2||170h..177h||#FD70..#FD77||#FF70..#FF77
|-
|Joystick||201h..201h||#FC01..#FC01||#FE01..#FE01
|-
|Ethernet||210h..21Fh||#FC10..#FC1F||#FE10..#FE1F
|-
|Sound Blaster||220h..23Fh||#FC20..#FC3F||#FE20..#FE3F
|-
|LPT2||278h..27Fh||#FC78..#FC7F||#FE78..#FE7F
|-
|COM1||2F8h..2FFh||#FCF8..#FCFF||#FEF8..#FEFF
|-
|MIDI'||300h..301h||#FD00..#FD01||#FF00..#FF01
|-
|MIDI||330h..331h||#FD30..#FD31||#FF30..#FF31
|-
|Sound control||370h..371h||#FD70..#FD71||#FF70..#FF71
|-
|FDC1||372h..377h||#FD72..#FD77||#FF72..#FF77
|-
|LPT1||378h..37Fh||#FD78..#FD7F||#FF78..#FF7F
|-
|Sound AD-LIB||388h..38Bh||#FD88..#FD8B||#FF88..#FF8B
|-
|VGA||3B0h..3BBh||#FDB0..#FDBB||#FFB0..#FFBB
|-
|LPT3||3BCh..3BFh||#FDBC..#FDBF||#FFBC..#FFBF
|-
|VGA||3C0h..3DFh||#FDC0..#FDCF||#FFC0..#FFCF
|-
|FDC1||3F2h..3F7h||#FDF2..#FDF7||#FFF2..#FFF7
|-
|COM1||3F8h..3FFh||#FDF8..#FDFF||#FFF8..#FFFF
|-
|}

CPCISA ports for ISA motherboard
{|{{Prettytable|width: 700px; font-size: 2em;}}
|''Device''||''PC I/O range''||''CPCISA high''||''CPCISA low''
|-
|DMA||000h..00Fh||#FC00..#FC0F||#FE00..#FE0F
|-
|interrupt||020h..03Fh||#FC20..#FC3F||#FE20..#FE3F
|-
|counter||040h..05Fh||#FC40..#FC5F||#FE40..#FE5F
|-
|keyboard||060h..067h||#FC60..#FC67||#FE60..#FE67
|-
|RTC||070h..071h||#FC70..#FC71||#FE70..#FE71
|-
|DMA||080h..08Fh||#FC80..#FC8F||#FE80..#FE8F
|-
|DMA||0C0h..0DFh||#FCC0..#FCDF||#FEC0..#FEDF
|-
|interrupt||0A0h..0BFh||#FCA0..#FCBF||#FEA0..#FEBF
|-
|}

[[Category:Programming]] [[Category:Stub]]

I/O Port Summary

2007-01-21T21:22:20Z

83.26.224.50:

The is a list of all known I/O ports of the Amstrad CPC (copied from the [[FutureOS]] manual).

{|{{Prettytable|width: 700px; font-size: 2em;}}
|''I/O''||''Binary''||''Port''||''Read''||''Write''
|-
|#7FXX||%0xxxxxxx xxxxxxxx||[[Gate Array]]|| ||Write
|-
|#BCXX||%x0xxxx00 xxxxxxxx||6845 [[CRTC]] Address-Register|| - ||Write
|-
|#BDXX||%x0xxxx01 xxxxxxxx||6845 [[CRTC]] Data-Register|| - ||Write
|-
|#BEXX||%x0xxxx10 xxxxxxxx||6845 [[CRTC]] Status-Register||Read|| -
|-
|#BFXX||%x0xxxx11 xxxxxxxx||6845 [[CRTC]] Video-Address-Register||Read|| -
|-
|#DFXX||%xx0xxxxx xxxxxxxx||select ROM|| - ||Write
|-
|#EFXX||%xxx0xxxx xxxxxxxx||Printer Port|| - ||Write
|-
|#F4XX||%xxxx0x00 xxxxxxxx||8255 PIO Port A||Read||Write
|-
|#F5XX||%xxxx0x01 xxxxxxxx||8255 PIO Port B||Read|| -
|-
|#F6XX||%xxxx0x10 xxxxxxxx||8255 PIO Port C|| - ||Write
|-
|#F7XX||%xxxx0x11 xxxxxxxx||8255 PIO Control-Register|| - ||Write
|-
|#F8B0||?||Vidi-CPC Video-Digitiser||?||?
|-
|#F8B1||?||Vidi-CPC Video-Digitiser||?||?
|-
|#F8DC - #F8DD||?||CPCI Serial Interface||Read||Write
|-
|#F8E0||?||Z80 STI Indirect Data Register||Read||Write
|-
|#F8E1||?||Z80 STI Gen. Purpose I/O Interrupt||Read||Write
|-
|#F8E8||?||Z80 STI Pointer Vector Register||Read||Write
|-
|#F8E8||?||Music Machine|| - ||Write
|-
|#F8EC||?||Z80 STI USART Control Register||Read||Write
|-
|#F8EC||?||Music Machine|| - ||Write
|-
|#F8ED||?||Z80 STI Receiver Status Register||Read||Write
|-
|#F8EE||?||Z80 STI Transmitter Status Register||Read||Write
|-
|#F8EF||?||Z80 STI USART Data Register||Read||Write
|-
|#F8EF||?||Music Machine||Read|| -
|-
|#F8E2 - #F8E4||?||Dobbertin Eprommer 4003||?||?
|-
|#F8F0||?||Music Machine|| - ||Write
|-
|#F8F2||?||Dobbertin Eprommer 4003||?||?
|-
|#F8F4||?||Music Machine||Read|| -
|-
|#F8F8||?||Music Machine|| - ||Write
|-
|#F8FF||%1111100x 111xxxxx||CPCISA control port|| - ||Write
|-
|#F9B0||?||Vidi-CPC Video-Digitiser||?||?
|-
|#F9FC - #F9FE||?||Otten & Fecht 1 MB RAM-Disc||?||?
|-
|#FA7E||%xxxxxx0x0 0xxxxxxx||Floppy Motor Control|| - ||Write
|-
|#FADC||?||Z80-SIO / DART port A Data Register||Read||Write
|-
|#FADD||?||Z80-SIO / DART port A Control Reg.||Read||Write
|-
|#FADE||?||Z80-SIO / DART port B Data Register||Read||Write
|-
|#FADF||?||Z80-SIO / DART port B Control Reg.||Read||Write
|-
|#FB7E||%xxxxxx0x1 0xxxxxx0||765 FDC (internal) Status Register||Read|| -
|-
|#FB7F||%xxxxxx0x1 0xxxxxx1||765 FDC (internal) Data Register||Read||Write
|-
|#FBDC||?||8253 Timer counter 0||Read||Write
|-
|#FBDD||?||8253 Timer counter 1||Read||Write
|-
|#FBDE||?||8253 Timer counter 2||Read||Write
|-
|#FBDF||?||8253 Timer Modus Select|| - ||Write
|-
|#FBE0||?||Hard Disc Data Port||Read||Write
|-
|#FBE1||?||Hard Disc Status, Reset||Read||Write
|-
|#FBE2||?||Hard Disc Select, Configuration||Read||Write
|-
|#FBE3||?||Hard Disc DMA, Interrupt||Read||Write
|-
|#FBE4||?||Hard Disc Reset||Read||Write
|-
|#FBE0 - #FBE3||?||dk'tronics RTC.||?||?
|-
|&FBE8||?||dk'tronics RTC.||?||?
|-
|#FBEE||?||SSA1 dk'tronics Speech-Module||Read||Write
|-
|#FBF0 - #FBFF||?||Otten & Fecht 1 MB RAM-Disc||?||?
|-
|#FBF6||?||765 FDC (Vortex,ext) Status Register||Read|| -
|-
|#FBF7||?||765 FDC (Vortex,ext) Data Register||Read||Write
|-
|#FC00 - #FDFF||%1111110x xxxxxxxx||CPCISA 16bits mode high byte latch||Read||Write
|-
|#FD00 - #FD3F||?||SYMBiFACE II||Read||Write
|-
|#FE00 - #FFFF||%1111111x xxxxxxxx||CPCISA I/O access (low byte)||Read||Write
|-
|#FEE8||?||Multiface II||?||?
|-
|#FEEA||?||Multiface II||?||?
|-
|#FFXX||?||CPC Booster (XX=#00..#28 are used now)||Read||Write
|-
|}

CPCISA ports for ISA cards
{|{{Prettytable|width: 700px; font-size: 2em;}}
|''Device''||''PC I/O range''||''CPCISA high''||''CPCISA low''
|-
|IDE1||1F0h..1F7h||#FDF0..#FDF7||#FFF0..#FFF7
|-
|IDE2||170h..177h||#FD70..#FD77||#FF70..#FF77
|-
|Joystick||201h..201h||#FC01..#FC01||#FE01..#FE01
|-
|Ethernet||210h..21Fh||#FC10..#FC1F||#FE10..#FE1F
|-
|Sound Blaster||220h..23Fh||#FC20..#FC3F||#FE20..#FE3F
|-
|LPT2||278h..27Fh||#FC78..#FC7F||#FE78..#FE7F
|-
|COM1||2F8h..2FFh||#FCF8..#FCFF||#FEF8..#FEFF
|-
|MIDI'||300h..301h||#FD00..#FD01||#FF00..#FF01
|-
|MIDI||330h..331h||#FD30..#FD31||#FF30..#FF31
|-
|Sound control||370h..371h||#FD70..#FD71||#FF70..#FF71
|-
|FDC1||372h..377h||#FD72..#FD77||#FF72..#FF77
|-
|LPT1||378h..37Fh||#FD78..#FD7F||#FF78..#FF7F
|-
|Sound AD-LIB||388h..38Bh||#FD88..#FD8B||#FF88..#FF8B
|-
|VGA||3B0h..3BBh||#FDB0..#FDBB||#FFB0..#FFBB
|-
|LPT3||3BCh..3BFh||#FDBC..#FDBF||#FFBC..#FFBF
|-
|VGA||3C0h..3DFh||#FDC0..#FDCF||#FFC0..#FFCF
|-
|FDC1||3F2h..3F7h||#FDF2..#FDF7||#FFF2..#FFF7
|-
|COM1||3F8h..3FFh||#FDF8..#FDFF||#FFF8..#FFFF
|-
|}

CPCISA ports for ISA motherboard
{|{{Prettytable|width: 700px; font-size: 2em;}}
|''Device''||''PC I/O range''||''CPCISA high''||''CPCISA low''
|-
|DMA||000h..00Fh||#FC00..#FC0F||#FE00..#FE0F
|-
|interrupt||020h..03Fh||#FC20..#FC3F||#FE20..#FE3F
|-
|counter||040h..05Fh||#FC40..#FC5F||#FE40..#FE5F
|-
|keyboard||060h..067h||#FC60..#FC67||#FE60..#FE67
|-
|RTC||070h..071h||#FC70..#FC71||#FE70..#FE71
|-
|DMA||080h..08Fh||#FC80..#FC8F||#FE80..#FE8F
|-
|DMA||0C0h..0DFh||#FCC0..#FCDF||#FEC0..#FEDF
|-
|interrupt||0A0h..0BFh||#FCA0..#FCBF||#FEA0..#FEBF
|-
|}

[[Category:Programming]] [[Category:Stub]]