zebra full screen (static)

    device zxspectrum48
; Author: Serdjuk
; Assembly: sjasmplus

        org #6000
start:

mainLoop:
    ei
    halt


    ld (saveSp),sp
    ld sp,#5800 // end of screen address
    ld bc,#0000 // empty
    ld de,#FFFF // fill
    ld a,192
nextScrLine:
    dup 8
    push bc     // fill line 32 bytes
    push de
    edup
    dec a
    jr nz,nextScrLine
    ld sp,(saveSp)
    jr mainLoop
saveSp: dw 0

        savetap "main.tap",start