ZXAS

Learn and program in machine code the easy way with this powerful Z80 assembler, commissioned specially for the ZX80 & ZX81. Standard Z80 mnemonics are simply written into REM statements within your BASIC program. The assembly listings, together with addresses and assembled codes are displayed on the screen when assembled. The assembled code is executed with the USR function. The program uses 5K of memory and is protected from overwriting. Full documentation, including examples, is supplied with the cassette. 16K.