DataMuseum.dk

Presents historical artifacts from the history of:

CR80 Hard and Floppy Disks

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

See our Wiki for more about CR80 Hard and Floppy Disks

Excavated with: AutoArchaeologist - Free & Open Source Software.


top - download

⟦0cf47dda5⟧ TextFile

    Length: 956 (0x3bc)
    Types: TextFile
    Names: »MS2100.S«, »~ORPHAN_0x003a«

Derivation

└─⟦93791531c⟧ Bits:30005105 8" CR80 Floppy CR80FD_0064 ( VOL:SCC.V MSS Directory: MS1.D )
    └─⟦185cc4db7⟧ 
        └─ ⟦this⟧ »~ORPHAN_0x003a« 
└─⟦b5acf5c79⟧ Bits:30005104 8" CR80 Floppy CR80FD_0063 ( VOL: SCC.V MSS Directory: MS2.D )
    └─⟦f918199fd⟧ 
        └─ ⟦this⟧ »MS2.D!MS2100.S« 

TextFile

MESSAGE <:MS2100.S V810214:>
;-----------------------------------------------------------------------
; SUBROUTINE MS2100
; GET CHARACTER CLASS
;
; REGISTERS          CALL               EXIT
; R0                 CHAR               CHAR
; R1                 -                  CLASS
; R4                 LINK
;
; INPUT:   GROUP
; OUTPUT:  -
; EXIT TO: LINK+0 (OK)
;-----------------------------------------------------------------------
MS2100:                             ; GET CHARACTER CLASS:
        MOV          R0         R1  ;   DUPLICATE CHAR
        XTR          R1  7          ;   REMOVE POSSIBLE PARITY BIT
        MOD          R1             ;   USE CHAR AS INDEX
        MOV   CCT               R1  ;   TO GET CLASS WORD
        MOD   GROUP                 ;   RIGHT ADJUST ACCORDING TO GROUP
        SRL          R1  0          ;
        XTR          R1  4          ;   ISOLATE CLASS(GROUP,CHAR)
        JMP              0.     X4  ;   RETURN