BIOS Function Summary
Details on BIOS Functions
- BIOS Kernel Functions
- BIOS Kernel RSX Functions (Resident System Extensions)
- BIOS Kernel Timer/Event Functions
- BIOS Machine Pack
- BIOS Keyboard Functions
- BIOS Text Functions
- BIOS Graphics Functions
- BIOS Screen Functions
- BIOS Cassette (or Diskette) Functions
- BIOS Sound Functions
- AMSDOS RSX Functions
- AMSDOS Hidden RSX Functions
BIOS Reserved CPU Registers
AF' Reserved for Interrupts (A=old C', CY=External IRQ Flag) BC' Reserved for Gate Array (BC=7F8xh, LSBs=ROM enable/video mode) DE' Reserved for BIOS HL' Reserved for BIOS