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Disable conversion to SIXBIT in GETJCL

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Alexander Noack
2025-12-10 16:02:14 +01:00
parent 40af13b49b
commit b371e07c10
1 changed files with 15 additions and 2 deletions
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17
src/sudoku.s
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@@ -64,13 +64,26 @@ GETJCL: PUSH P,A ;Save the register A.
MOVE A,[JCL]
MOVE A,[BPTR,,JCL] ;Load the command parameters into A.
MOVE B,[BPTR,,FNAME1] ;Pointer to the first file name.
PUSHJ P,TOSIXB ;Transfer the first word into FNAME1
PUSHJ P,CPSTR ;Transfer the first word into FNAME1
MOVE B,[BPTR,,FNAME2] ;Pointer to the second file name.
PUSHJ P,TOSIXB ;Transfer the second word into FNAME2
PUSHJ P,CPSTR ;Transfer the second word into FNAME2
POP P,B ;Restore the B register.
POP P,A ;Restore the A register.
POPJ P, ;Return from routine.
;Subroutine to copy a string. Takes a bytepointer in A and B
;where A is the source and B is the destination. It will stop copying, if
;the end of the string is reached, or a whitespace is encounterd,
CPSTR: PUSH P,D ;Store the contents of register D.
CPSTLP: ILDB D,A ;Load the next character from A.
JUMPE D,CPSTEN ;Exit the loop.
CAIN D,40 ;If the character is whitespace
JUMPA CPSTEN ;exit the loop.
IDPB D,B ;Deposit the charcter at destination.
JRST CPSTLP ;Repeat with the next character
CPSTEN: POP P,D ;Restore the D register.
POPJ P, ;Return from function.
;Subroutine to convert an ASCII string into SIXBIT. Takes a byte
;pointer in A and B, where A is the source and B is the destination.
TOSIXB: PUSH P,D ;Store the contents of register D.