System-5 HBIOS (Hardware BIOS)

This code handles the video and keyboard I/O required by Mike's BIOS (see below). Startup jumps to minimon section of BIOS.

Source: sec1.asm
Makefile: Makefile     (assumes Mike's BIOS is in subdirectory called orig_bios)


Changes required to Mike Riley's BIOS (version 0.9)

Changes to BIOS are marked with conditional compilation using #DEFINE KSR

Source: bios.asm
Include: bios.inc
Makefile: Makefile


Changes required to Mike Riley's BIOS (version 1.0.4)

Source: bios.asm
Include: bios.inc
Makefile: Makefile

Note: Makefiles require srecord utility -- see the Tools Directory