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BIOS Functions: Difference between revisions

From CPCWiki - THE Amstrad CPC encyclopedia!
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== Function Summary ==
== BIOS Function Summary ==


* [[BIOS Function Summary]]
* [[BIOS Function Summary]]


== Details on Functions ==
== Details on BIOS Functions ==


* [[BIOS Kernel Functions]]
* [[BIOS Kernel Functions]]
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* [[AMSDOS Hidden RSX Functions]]
* [[AMSDOS Hidden RSX Functions]]


== Reserved CPU Registers ==
== BIOS Reserved CPU Registers ==
   AF'  Reserved for Interrupts (A=old C', CY=External IRQ Flag)
   AF'  Reserved for Interrupts (A=old C', CY=External IRQ Flag)
   BC'  Reserved for Gate Array (BC=7F8xh, LSBs=ROM enable/video mode)
   BC'  Reserved for Gate Array (BC=7F8xh, LSBs=ROM enable/video mode)
   DE'  Reserved for BIOS
   DE'  Reserved for BIOS
   HL'  Reserved for BIOS
   HL'  Reserved for BIOS
== BIOS Memory Maps ==
* [[BIOS Overall Memory Map]]
* [[AMSDOS Memory Map]]

Revision as of 22:43, 24 January 2010

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