Difference between revisions of "BIOS Functions"

From CPCWiki - THE Amstrad CPC encyclopedia!
Jump to: navigation, search
(Created page with '== Function Summary == * BIOS Function Summary == Details on Functions == * BIOS Kernel Functions * BIOS Kernel RSX Functions (Resident System Extensions) * [[BIOS…')
 
(Other Information)
 
(7 intermediate revisions by 3 users not shown)
Line 1: Line 1:
== Function Summary ==
+
== BIOS Function Summary ==
  
 
* [[BIOS Function Summary]]
 
* [[BIOS Function Summary]]
  
== Details on Functions ==
+
== Details on BIOS Functions ==
  
 
* [[BIOS Kernel Functions]]
 
* [[BIOS Kernel Functions]]
Line 15: Line 15:
 
* [[BIOS Cassette (or Diskette) Functions]]
 
* [[BIOS Cassette (or Diskette) Functions]]
 
* [[BIOS Sound 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
 +
 +
== BIOS Memory Maps ==
 +
* [[BIOS Overall Memory Map]]
 +
* [[AMSDOS Memory Map]]
 +
 +
== Other Information ==
 +
 +
* [[Media:The Amstrad CPC Firmware Guide.txt|The Amstrad CPC Firmware Guide]] - original txt version
 +
* [[Media:CPC firmware.pdf|The Amstrad CPC Firmware Guide]] - decadent pdf version
 +
* [[Media:Schneider CPC464 Firmware Handbuch.pdf|Schneider CPC464 Firmware Handbuch]] - german version of The Amstrad CPC Firmware Guide
 +
* [[Soft968: CPC 464/664/6128 Firmware]] - official firmware specs
 +
[[Category:BIOS]]

Latest revision as of 10:26, 5 January 2019

BIOS Function Summary

Details on BIOS 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

BIOS Memory Maps

Other Information