Horizontal scrolling demo for the Dragon 32
Drawing into the scroll buffers is compensated to allow optimal pul/psh fast copy to frame buffer.
Runs at video frame rate (50Hz PAL, 60Hz NTSC)
assembled with asm6809 (www.6809.org.uk/asm6809) asm6809 -D -o hscroll.bin hscroll.asm
(Or CoCo DECB: asm6809 -C -o hscroll.bin hscroll.asm)
Requires 32K
Graphics adapted from Konami Scramble screenshots found online