I/O Port Summary

2007-01-10T21:30:51Z

83.26.213.238:

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''||''Port''||''Read''||''Write''
|-
|#7FXX||[[Gate Array]]|| ||Write
|-
|#BCXX||6845 [[CRTC]] Address-Register|| - ||Write
|-
|#BDXX||6845 [[CRTC]] Data-Register|| - ||Write
|-
|#BEXX||6845 [[CRTC]] Status-Register||Read|| -
|-
|#BFXX||6845 [[CRTC]] Video-Address-Register||Read|| -
|-
|#BDXX||select ROM|| - ||Write
|-
|#EFXX||Printer Port|| - ||Write
|-
|#F4XX||8255 PIO Port A||Read||Write
|-
|#F5XX||8255 PIO Port B||Read|| -
|-
|#F6XX||8255 PIO Port C|| - ||Write
|-
|#F7XX||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||CPCISA control port|| - ||Write
|-
|#F9B0||Vidi-CPC Video-Digitiser||?||?
|-
|#F9FC - #F9FE||Otten & Fecht 1 MB RAM-Disc||?||?
|-
|#FA7E||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||765 FDC (internal) Status Register||Read|| -
|-
|#FB7F||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||CPCISA 16bits mode latch||Read||Write
|-
|#FD00 - #FD3F||SYMBiFACE II||Read||Write
|-
|#FE00 - #FFFF||CPCISA I/O access||Read||Write
|-
|#FEE8||Multiface II||?||?
|-
|#FEEA||Multiface II||?||?
|-
|#FF00 - #FF2F||CPC Booster||Read||Write
|-
|}

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I/O Port Summary