.include "atari7800.inc" .export _clrscr .import _screen .import pushax, ___bzero .include "extzp.inc" .code .proc _clrscr lda #<_screen ldx #>_screen jsr pushax ldx #>(charsperline * screenrows) lda #<(charsperline * screenrows) jmp ___bzero .endproc ;------------------------------------------------------------------------------- ; force the init constructor to be imported .import initconio conio_init = initconio