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43,50146/ploter.mac
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TITLE PLOTER INSTRUCTION SIMULATION (TYPE 350B) VERSION #2 SEPT. 1 '69
SUBTTL DAVE MCCLURE JULY /69
IFN PLOTER,<PASS2
END>
ENTRY PLDATA,PLCDAT,PLSF,PLCF,PLPU,PLPR,PLDU,PLPRDU,PLDD,PLPRDD,PLPL,PLUD,PLPLUD,PLPD
EXTERNAL SWRITE,NTIME,TIME
PLDATA: 4*^D10000/3 ;18000 STEPS PER MIN
Z
XWD PLACTI,PLFLG
Z
PLCDAT: EXP A ;ASCII MODE FOR SPOOLING
SIXBIT /PLT/
EXP PLHEAD,0,PLENTR
Z
Z
Z
Z
Z
PLSF: TRNE FLAGS,PLFLG ;<6501> SKIP ON PLOTTER FLAG
AOS PC
POPJ PDP,
PLCF: TRZ FLAGS,PLFLG ;<6502> CLEAR THE PLOTTER FLAG
POPJ PDP,
PLPU: MOVEI AC1,40 ;<6504> RAISE THE PEN
JRST PLOT
PLPR: MOVEI AC1,1 ;<6511> PEN RIGHT
JRST PLOT
PLDU: MOVEI AC1,10 ;<6512> DRUM UP
JRST PLOT
PLPRDU: MOVEI AC1,11 ;<6513> DRUM UP AND PEN RIGHT
JRST PLOT
PLDD: MOVEI AC1,4 ;<6514> DRUM DOWN
JRST PLOT
PLPRDD: MOVEI AC1,5 ;<6515> DRUM DOWN AND PEN RIGHT
JRST PLOT
PLPL: MOVEI AC1,2 ;<6521> PEN LEFT
JRST PLOT
PLUD: MOVEI AC1,10 ;<6522> DRUM UP
JRST PLOT
PLPLUD: MOVEI AC1,12 ;<6523> DRUM UP AND PEN LEFT
JRST PLOT
PLPD: MOVEI AC1,20 ;<6524> PEN LOWER
JRST PLOT
PLOT: TLO FLAGS,PLACTIVE ;SET PLOTTER ACTIVE
SOSG PLHEAD+2 ;BUFFER FULL?
JRST PLOT1 ;YES
IDPB AC1,PLHEAD+1 ;WRITE ONE CHARACTER
MOVE AC1,TIME ;LOAD CURRENT SIMULATED TIME
ADD AC1,PLDATA ;ADD DELAY FOR FLAG
CAMGE AC1,NTIME ;NEXT FLAG?
MOVEM AC1,NTIME ;YES
POPJ PDP,
PLOT1: MOVEI FDB,PLCDAT
PUSHJ PDP,SWRITE
JRST PLOT+3
PLENTR: SIXBIT /PLOTS/
SIXBIT /OUT/
Z
Z
PLHEAD: BLOCK 3
END