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. 

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⟦c9056ffb8⟧ TextFile

    Length: 898 (0x382)
    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« 
        └─⟦6a80005e0⟧ 
            └─⟦this⟧

TextFile

;
;ACIA memory mapped to CPU
;        
        OPTIONS	CONVERT

IT      EQU     2700H
ROM	EQU	2000H
STACK	EQU	4500H

Aim1    EQU     27F7H
ACIA	EQU	3018H
Status	EQU	ACIA
Ctrl    EQU     ACIA
Port    EQU     ACIA+1
TDRE    EQU     02
RDRF    EQU     01 
Reset   EQU     03 
Mode    EQU     95H
Fin     EQU     0AH

 ;       ORG     IT
 ;       DEFB    0C3H 
 ;       DEFB    0F4H
 ;       DEFB    27H

	ORG	ROM
        LD      SP,STACK
        ld      a,27H
        ld      i,a
        IM2
        LD      A,Reset
        LD      (Ctrl),A
        LD      A,Mode
        LD      (Ctrl),A
        EI
        LD      C,0
loop:   INC     C
        JP      loop

        ORG     IT 
recoi:  PUSH    AF
        PUSH    BC
        LD      A,(Port)
        POP     BC
        POP     AF
        EI
        RET
        
        ORG     Aim1
        DEFB    00H
        DEFB    27H
        ;JP      recoi
	END