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SSKSP.Z80
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2000-06-30
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896b
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46 lines
;
; SYSLIB Module Name: SSKSP
; Author: Richard Conn
; SYSLIB Version Number: 3.6
; Module Version Number: 1.1
public sksp,sknsp
;
; SKSP skips spaces in the string pointed to by HL until either
; a non-space or null are encountered. HL pts to the non-space or null
; when done.
; SKNSP skips non-spaces in the string pointed to by HL until
; either a space or a null are encountered. HL pts to the space or null
; when done.
;
EXT ISSP
SKSP:
PUSH AF ; SAVE PSW
SKSP1:
LD A,(HL) ; GET NEXT CHAR
INC HL ; PT TO NEXT
OR A ; DONE?
JP Z,SKSP2
CALL ISSP ; IS A SPACE?
JP Z,SKSP1 ; CONTINUE SKIP IF SO
SKSP2:
DEC HL ; PT TO OFFENDING CHAR
POP AF ; GET PSW
RET
SKNSP:
PUSH AF ; SAVE PSW
SKNSP1:
LD A,(HL) ; GET NEXT CHAR
INC HL ; PT TO NEXT
OR A ; DONE?
JP Z,SKSP2
CALL ISSP ; IS A SPACE?
JP NZ,SKNSP1
JP SKSP2
END