The 6502 Firmware Page

This site is mostly about the firmware -- software in ROM -- that came with the original Apple II, not the II+, IIe, IIc, or IIgs. The original Apple II had 4K of RAM and 8K of ROM. The ROM contains software, such as the Monitor and Integer BASIC, appropriate for a SBC.

Red Book refers to the original Apple II Reference Manual dated 1978.
WOZPAK refers to the WOZPAK II, a publication by Call-A.P.P.L.E., an Apple II user group.
DDJ refers to Dr. Dobbs Journal, a computer magazine.
IA refers to Interface Age, a publication of the SCCS (Southern California Computer Society).
SYM and AIM refer to early 6502 single board computers.

Apple II





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