Changes
initial article, should be improved
The is a list of all known I/O ports of the Amstrad CPC (copied from the [[FutureOS]] manual).
<pre>
#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
#DFXX : select ROM write / -
#EFXX : Printer Port write / -
#F4XX : 8255 PIO Port A write / read
#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 ? / ?
#F8E0 : Z80 STI Indirect Data Register write / read
#F8E1 : Z80 STI Gen. Purpose I/O Interrupt write / read
#F8E8 : Z80 STI Pointer Vector Register write / read
#F8EC : Z80 STI USART Control Register write / read
#F8ED : Z80 STI Receiver Status Register write / read
#F8EE : Z80 STI Transmitter Status Register write / read
#F8EF : Z80 STI USART Data Register write / read
#F8E2-#F8E4 : Dobbertin Eprommer 4003 ? / ?
#F8F2 : Dobbertin Eprommer 4003 ? / ?
#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 write / read
#FADD : Z80-SIO / DART port A Control Reg. write / read
#FADE : Z80-SIO / DART port B Data Register write / read
#FADF : Z80-SIO / DART port B Control Reg. write / read
#FB7E : 765 FDC (internal) Status Register - / read
#FB7F : 765 FDC (internal) Data Register write / read
#FBDC : 8253 Timer counter 0 write / read
#FBDD : 8253 Timer counter 1 write / read
#FBDE : 8253 Timer counter 2 write / read
#FBDF : 8253 Timer Modus Select write / -
#FBE0 : Hard Disc Data Port write / read
#FBE1 : Hard Disc Status, Reset write / read
#FBE2 : Hard Disc Select, Configuration write / read
#FBE3 : Hard Disc DMA, Interrupt write / read
#FBE4 : Hard Disc Reset write / read
#FBE0-#FBE3 : dk'tronics RTC. ? / ?
&FBE8 : dk'tronics RTC. ? / ?
#FBEE : SSA1 dk'tronics Speech-Module write / read
#FBF0-#FBFF : Otten & Fecht 1 MB RAM-Disc ? / ?
#FBF6 : 765 FDC (Vortex,ext) Status Register - / read
#FBF7 : 765 FDC (Vortex,ext) Data Register write / read
#FD00-#FD3F : SYMBiFACE II write / read
#FEE8 : Multiface II ? / ?
#FEEA : Multiface II ? / ?
#FFxx : CPC Booster write / read
</pre>
<pre>
#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
#DFXX : select ROM write / -
#EFXX : Printer Port write / -
#F4XX : 8255 PIO Port A write / read
#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 ? / ?
#F8E0 : Z80 STI Indirect Data Register write / read
#F8E1 : Z80 STI Gen. Purpose I/O Interrupt write / read
#F8E8 : Z80 STI Pointer Vector Register write / read
#F8EC : Z80 STI USART Control Register write / read
#F8ED : Z80 STI Receiver Status Register write / read
#F8EE : Z80 STI Transmitter Status Register write / read
#F8EF : Z80 STI USART Data Register write / read
#F8E2-#F8E4 : Dobbertin Eprommer 4003 ? / ?
#F8F2 : Dobbertin Eprommer 4003 ? / ?
#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 write / read
#FADD : Z80-SIO / DART port A Control Reg. write / read
#FADE : Z80-SIO / DART port B Data Register write / read
#FADF : Z80-SIO / DART port B Control Reg. write / read
#FB7E : 765 FDC (internal) Status Register - / read
#FB7F : 765 FDC (internal) Data Register write / read
#FBDC : 8253 Timer counter 0 write / read
#FBDD : 8253 Timer counter 1 write / read
#FBDE : 8253 Timer counter 2 write / read
#FBDF : 8253 Timer Modus Select write / -
#FBE0 : Hard Disc Data Port write / read
#FBE1 : Hard Disc Status, Reset write / read
#FBE2 : Hard Disc Select, Configuration write / read
#FBE3 : Hard Disc DMA, Interrupt write / read
#FBE4 : Hard Disc Reset write / read
#FBE0-#FBE3 : dk'tronics RTC. ? / ?
&FBE8 : dk'tronics RTC. ? / ?
#FBEE : SSA1 dk'tronics Speech-Module write / read
#FBF0-#FBFF : Otten & Fecht 1 MB RAM-Disc ? / ?
#FBF6 : 765 FDC (Vortex,ext) Status Register - / read
#FBF7 : 765 FDC (Vortex,ext) Data Register write / read
#FD00-#FD3F : SYMBiFACE II write / read
#FEE8 : Multiface II ? / ?
#FEEA : Multiface II ? / ?
#FFxx : CPC Booster write / read
</pre>
