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- fi$="NEW"
- 10 SCREEN 4:CLS
- X=0:Y=0:OX=0:OY=0:m=1
- PSET(X,Y),1
- 20 A$=INKEY$ : IF A$="" THEN 20
- IF A$="e" THEN 10
- if a$="l" then screen 7 : input "Filename";fi$ : screen 4 : pgload fi$
- if a$="s" then pgsave fi$ : beep
- IF A$="K" THEN X=X-1:if x<0 then x=0
- IF A$="M" THEN X=X+1:if x>199 then x=199
- IF A$="H" THEN Y=Y-1:if y<0 then y=0
- IF A$="P" THEN Y=Y+1:if y>63 then y=63
- IF A$="S" THEN M=-M
- if a$="G" then x=0:y=0
- IF A$=chr$(27) THEN SCREEN 2 : if isrun then run "menu" else system
- IF M<0 THEN PSET(OX,OY),0
- PSET(X,Y),1 : OX=X : OY=Y
- GOTO 20
- ə