.export _cputcxy, _cputc
.export plot, cputdirect, putchar
- .import gotoxy, mul40
+ .import gotoxy, _mul40
.importzp tmp4,ptr4
.import _revflag,setcursor
sta (OLDADR),y
lda ROWCRS
- jsr mul40 ; destroys tmp4
- clc
+ jsr _mul40 ; destroys tmp4, carry is cleared
adc SAVMSC ; add start of screen memory
sta ptr4
txa