;I/O Port address for Jonos computer
;
;	CPU card I/O port
;
;counter timer 8254 (8253-5)
cnt$md	equ	08bh	;counter mode port
cnt$0	equ	088h	;counter 0 port
cnt$1	equ	089h	;counter 1 port
cnt$2	equ	08ah	;counter 2 port
;8251A usarts I/O ports
uart$b$s	equ	087h	;CPU printer (termianl) port status
uart$b$d	equ	086h	;CPU printer (terminal) port data
uart$a$s	equ	085h	;CPU modem port status
uart$a$d	equ	084h	;CPU modem port data
;bank select port
bank$port	equ	08ch	;CPU memory bank select port
;
;	Floppy Disk Contorller I/O ports 3 1/2 / 8"
;
dmacm3	equ	0b8h	;DMAC mode/status port
dma0ad3	equ	0b0h	;DMAC dma address port 
dma0tc3	equ	0b1h	;DMAC terminal count port
fdcd3	equ	0a1h	;FDC data port
fdcsr3	equ	0a0h	;FDC status register port
intsp3	equ	0a2h	;FDC interrup/motor port
;
;	Floppy Disk Contorller I/O ports 5 1/4 / 8"
;
dmacm5	equ	0d8h	;DMAC mode/status port
dma0ad5	equ	0d0h	;DMAC dma address port 
dma0tc5	equ	0d1h	;DMAC terminal count port
fdcd5	equ	0c1h	;FDC data port
fdcsr5	equ	0c0h	;FDC status register port
intsp5	equ	0c2h	;FDC interrup/motor port
;
;
;	CRT controller port
;
crt$0$s	equ	0a9h	;internal crt status port
crt$0$d	equ	0a8h	;internal crt data port
;
;	OPTION card ports
;
pt$1		equ	0a4h	;parallel printer port
pt$int$cl	equ	0a6h	;clear printer interupt port (read)
rtc$data 	equ	0a5h	;real time clock data port
rtc$cont	equ	0a6h	;real time clock control port
beep$port	equ	0a7h	;beeper port (write)	
;
rdata		equ	0c4h	;ram disk data port
ladd		equ	0c5h	;ram disk low address port
madd		equ	0c6h	;ram disk middle port
hadd		equ	0c7h	;ram disk high address port
;