=Manipulating the Amstrad CPC464 Screen Display=
SCREEN1.ASM, SCREEN2.ASM, SCREEN3.ASM, SCREEN4.ASM, and SCREEN5.ASM contain the Z80 assembler code for the "Manipulating the Amstrad CPC464 Screen Display" article.<br/>
See Amstrad Computer User, March 1985, page 103 for more details.