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cc65/libsrc/cbm510/ksetnam.s

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999 B
ArmAsm

;
; Ullrich von Bassewitz, 2003-12-18
;
; SETNAM kernal call.
;
; NOTE: The routine does not work like that in the CBM610 kernal (which works
; different than that on all other CBMs). Instead, it works like on all other
; Commodore machines. No segment has to be passed, the current segment is
; assumed.
.export SETNAM
.import sys_bank, restore_bank
.import sysp0: zp, ktmp: zp
.include "cbm510.inc"
.proc SETNAM
pha
jsr sys_bank
sty ktmp
txa
ldy #$90 ; FNAM
sta (sysp0),y
lda ktmp
iny
sta (sysp0),y
lda ExecReg ; Assume name is always in this segment
ldy #$92 ; FNAM_SEG
sta (sysp0),y
ldy #$9D ; FNAM_LEN
pla
sta (sysp0),y
ldy ktmp
jmp restore_bank
.endproc