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Set of Apple II Hard Drive Images
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eric.hdv
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SOURCE
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SHIFTTX.SRC.txt
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2020-08-13
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2KB
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132 lines
; SHIFT TEXT SCREEN LEFT ONE BYTE
;
ORG $6000
;
LDX #$01
LOOP LDA $400,X
DEX
STA $400,X
INX
;
LDA $480,X
DEX
STA $480,X
INX
;
LDA $500,X
DEX
STA $500,X
INX
;
LDA $580,X
DEX
STA $580,X
INX
;
LDA $600,X
DEX
STA $600,X
INX
;
LDA $680,X
DEX
STA $680,X
INX
;
LDA $700,X
DEX
STA $700,X
INX
;
LDA $780,X
DEX
STA $780,X
INX
;
LDA $428,X
DEX
STA $428,X
INX
;
LDA $4A8,X
DEX
STA $4A8,X
INX
;
LDA $528,X
DEX
STA $528,X
INX
;
LDA $5A8,X
DEX
STA $5A8,X
INX
;
LDA $628,X
DEX
STA $628,X
INX
;
LDA $6A8,X
DEX
STA $6A8,X
INX
;
LDA $728,X
DEX
STA $728,X
INX
;
LDA $7A8,X
DEX
STA $7A8,X
INX
;
LDA $450,X
DEX
STA $450,X
INX
;
LDA $4D0,X
DEX
STA $4D0,X
INX
;
LDA $550,X
DEX
STA $550,X
INX
;
LDA $5D0,X
DEX
STA $5D0,X
INX
;
LDA $650,X
DEX
STA $650,X
INX
;
LDA $6D0,X
DEX
STA $6D0,X
INX
;
LDA $750,X
DEX
STA $750,X
INX
;
LDA $7D0,X
DEX
STA $7D0,X
INX
;
INX
CPX #$28
BEQ DONE
JMP LOOP
DONE RTS
;