File: kplot.s

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;
; Ullrich von Bassewitz, 2002-12-09
;
; PLOT replacement function for the VIC20. The kernal function does not set
; the pointer to the color RAM correctly.
;

        .export         PLOT

.scope  KERNAL
        .include        "cbm_kernal.inc"
.endscope

.proc   PLOT

        bcs     @L1
        jsr     KERNAL::PLOT            ; Set cursor position using original ROM PLOT
        jmp     KERNAL::UPDCRAMPTR      ; Set pointer to color RAM to match new cursor position

@L1:    jmp     KERNAL::PLOT            ; Get cursor position

.endproc