**ZORK I.II.III
READ
CHANGE SS DHDR
TSTART DOS PAT1 STAT 1
IF FAIL 1 THEN TSTART LONG SS
TEND REPEAT
DISPLAY
TSTART BSPACE
TEND FSPACE 3
VSTART NORM
LABEL 1:WRITE STAT 1
IF SUCC 1 THEN GOTO EE
SHORTEN ALL EQUAL BY 2 STAT 5
IF FAIL 5 THEN GOTO DD
CLEAR ERROR : GOTO 1
LABEL DD
SHORTEN ALL CENTER BY 2 STAT 6
IF FAIL 6 GOTO DA
CLEAR ERROR : GOTO 1
LABEL DA: * SHORTENING FAILED
LABEL EE: * WRITE SUCCEEDED
COPY 0 22 1
COPY 3 3 1 COUNT=AUTO

***
**ZARDAX
READ
CHANGE SS DHDR
TSTART DOS PAT1 STAT 1
IF FAIL 1 THEN TSTART LONG SS
TEND REPEAT
DISPLAY
TSTART BSPACE
TEND FSPACE 3
VSTART NORM
LABEL 1:WRITE STAT 1
IF SUCC 1 THEN GOTO EE
SHORTEN ALL EQUAL BY 2 STAT 5
IF FAIL 5 THEN GOTO DD
CLEAR ERROR : GOTO 1
LABEL DD
SHORTEN ALL CENTER BY 2 STAT 6
IF FAIL 6 GOTO DA
CLEAR ERROR : GOTO 1
LABEL DA: * SHORTENING FAILED
LABEL EE: * WRITE SUCCEEDED
COPY 0 22 1 SYNC=YES

***
**ZOOM GRAPHICS
READ
CHANGE SS DHDR
SET PAT2 D4 AA 96 /
TSTART PAT2 STAT 2
IF FAIL 2 THEN TSTART DOS PAT1 STAT 1
IF FAIL 1 THEN TSTART LONG SS
TEND REPEAT
DISPLAY
TSTART BSPACE
TEND FSPACE 3
VSTART NORM
LABEL 1:WRITE STAT 1
IF SUCC 1 THEN GOTO EE
SHORTEN ALL EQUAL BY 2 STAT 5
IF FAIL 5 THEN GOTO DD
CLEAR ERROR : GOTO 1
LABEL DD
SHORTEN ALL CENTER BY 2 STAT 6
IF FAIL 6 GOTO DA
CLEAR ERROR : GOTO 1
LABEL DA: * SHORTENING FAILED
LABEL EE: * WRITE SUCCEEDED
COPY 0 22 1
***
**ZAXXON
*NOTE:SEVERAL VERSIONS OF ZAXXON
* SEE BOTTOM OF THIS FILE
SET DATAFB 1
SET PARM 01B TO 80 80
READ
CHANGE SS DHDR
CHANGE SS INVALIDS TO NORMAL
TSTART DOS PAT1 STAT 1
IF FAIL 1 THEN TSTART LONG SS
TEND REPEAT
DISPLAY
TSTART BSPACE
TEND FSPACE 3
VSTART NORM
LABEL 1:WRITE STAT 1
IF SUCC 1 THEN GOTO EE
SHORTEN ALL EQUAL BY 2 STAT 5
IF FAIL 5 THEN GOTO DD
CLEAR ERROR : GOTO 1
LABEL DD
SHORTEN ALL CENTER BY 2 STAT 6
IF FAIL 6 GOTO DA
CLEAR ERROR : GOTO 1
LABEL DA: * SHORTENING FAILED
LABEL EE: * WRITE SUCCEEDED
COPY 0 13 13 COUNT=AUTO
COPY 1 12 1
*NOTE:IF ABOVE DOESN'T WORK, TRY
* COPY 0 0 BY 1 COUNT=AUTO
* COPY TRACK 1 TO 16 BY 1
* COPY TRACK 20 TO 20 BY 1
***
