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CR80 Hard and Floppy Disks

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⟦e1c37346e⟧ TextFile

    Length: 1386 (0x56a)
    Types: TextFile
    Names: »MS2110.S«, »~ORPHAN_0x003b«

Derivation

└─⟦93791531c⟧ Bits:30005105 8" CR80 Floppy CR80FD_0064 ( VOL:SCC.V MSS Directory: MS1.D )
    └─⟦185cc4db7⟧ 
        └─ ⟦this⟧ »~ORPHAN_0x003b« 
└─⟦b5acf5c79⟧ Bits:30005104 8" CR80 Floppy CR80FD_0063 ( VOL: SCC.V MSS Directory: MS2.D )
    └─⟦f918199fd⟧ 
        └─ ⟦this⟧ »MS2.D!MS2110.S« 

TextFile

MESSAGE <:MS2110.S V810214:>
;-----------------------------------------------------------------------
; SUBROUTINE MS2110
; UPDATE STATE, BRANCH TO ACTION
;
; REGISTERS          CALL               EXIT
; R0                 CHAR               CHAR
; R1                 CLASS              -
; R4                 LINK               LINK
; R7                 -                  DEST
;
; INPUT:   STATE
; OUTPUT:  STATE
; EXIT TO: ACTION PROCEDURE
;-----------------------------------------------------------------------
MS2110:                             ; UPDATE STATE, BRANCH TO ACTION:
        MOD   STATE                 ;   USE OLDSTATE NUMBER AS INDEX
        MOV   SAT               R7  ;   TO GET OLDSTATE
        ADD          R1         R7  ;   ADD CLASS TO OLDSTATE
        MOD          R7             ;   USE COMPOUND AS INDEX
        MOV   SET               R1  ;   TO GET LOOKUP VALUE
        MOV          R1         R7  ;   DUPLICATE
        SWP          R7             ;   POSITION
        XTR          R1  8          ;   ISOLATE ACTION PROC NUMBER
        XTR          R7  8          ;   ISOLATE NEWSTATE NUMBER
        MOV          R7  STATE      ;   SAVE NEWSTATE NUMBER AS STATE
        MOD          R1             ;   USE ACT.PROC NUMBER AS INDEX
        JMPI             PAT        ;   TO ACCESS ACT.PROC TOP
                                    ;   (RETURN THRU LINK)