This code appears in the following versions (click to see it in the source code):
Code variations between these versions are shown below.
Name: TWOS Type: Variable Category: Drawing pixels Summary: Ready-made single-pixel character row bytes for mode 4 Deep dive: Drawing monochrome pixels in mode 4
.TWOS EQUB %10000000 EQUB %01000000 EQUB %00100000 EQUB %00010000 EQUB %00001000 EQUB %00000100 EQUB %00000010 EQUB %00000001
This variation is blank in the Cassette, Disc (flight), Disc (docked) and 6502 Second Processor versions.
EQUB %10000000 EQUB %01000000