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SHLRAM.SDA
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SHELLVAR.A
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2019-04-13
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887b
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46 lines
;
; SHELLRAM
;
; ┬Y: ┴DRIAN ╨EPPER
; ╘ORONTO, ╧NTARIO
;
; BASED ON, BUT HEAVILY MODIFIED FROM
; THE ╨RO-╠INE/╙PINNAKER
; ├ ╨╧╫┼╥/╨╧╫┼╥ ├ SHELL FOR THE
; ├OMMODORE 64 HOME COMPUTER.
;
; ╘HE SHELL WAS MODIFIED TO REDUCE
; THE SIZE OF THE CODE, AND ARRANGE
; THINGS SO MEMORY PAGE 22 (HEX $16)
; WILL BE FREE FOR USE AS A "╥┴═DISK
; ╔NTERFACE ╨AGE", FOR USE WITH THE
; ├OMMODORE 1764 256╦ ╥┴═ EXPANDER
; FOR THE ├OMMODORE 64
;
; ╘HIS (BASICALLY) ALLOWS ALL PROGRAMS
; DESIGNED TO RUN UNDER THE SHELL TO
; OPERATE WITH THE ╥┴═ DISK
;
;
; SHELLVAR.A -
; FORCES SOME STUFF TO FOLLOW
; SHELL PROGRAM
;
ARGV .DSEG 20*2 ; PLACE AT END OF CODE
;
;
; THESE ARE FORCED UP TO PAGE $17, TO
; LEAVE PAGE $16 FREE FOR ╥┴═ DISK
; INTERFACE PAGE
;
.DEF CURCMDN
.DEF CGETCBF
.DEF PRFBUF
.DEF STRAC
;
CURCMDN=$17E7-20
CGETCBF=CURCMDN-81
PRFBUF=CGETCBF-128
STRAC=PRFBUF