DataMuseum.dk

Presents historical artifacts from the history of:

Rational R1000/400

This is an automatic "excavation" of a thematic subset of
artifacts from Datamuseum.dk's BitArchive.

See our Wiki for more about Rational R1000/400

Excavated with: AutoArchaeologist - Free & Open Source Software.

top - download

⟦fbca80682⟧ TextFile

    Length: 544 (0x220)
    Types: TextFile
    Notes: R1k Text-file segment

Derivation

└─⟦8527c1e9b⟧ Bits:30000544 8mm tape, Rational 1000, Arrival backup of disks in PAM's R1000
    └─ ⟦cfc2e13cd⟧ »Space Info Vol 2« 
        └─⟦9836e5acd⟧ 
            └─⟦this⟧

TextFile

;
;ACIA memory mapped to CPU
;        
        OPTIONS	CONVERT

ROM	EQU	2000H
STACK	EQU	2600H

ACIA	EQU	3018H
Status	EQU	ACIA
Ctrl    EQU     ACIA
Port    EQU     ACIA+1
TDRE    EQU     02
RDRF    EQU     01 
Reset   EQU     03 
Mode    EQU     15H
Fin     EQU     10H

	ORG	ROM
        LD      A,Reset
        LD      (Ctrl),A
        LD      A,Mode
        LD      (Ctrl),A

recoi:  LD      A,(Status)
        AND     RDRF
        JR      Z,recoi
        LD      A,(Port)
        CP      Fin 
        JR      NZ,recoi                   

	END