WonderWitch/FreyaBIOS/System

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Revision as of 16:39, 20 October 2024 by Asie (talk | contribs) (Created page with "The System interrupt provides assorted system-related functionality. == Types == === Suspend/resume structure === This structure is stored in SRAM block 3, offset <code>$7E00</code> (core 1) and <code>$BF00</code> (core 0). {| class="wikitable" |- ! Offset !! Size !! Contents |- | $0000 || 16384 || Copy of RAM area <code>$0000</code> - <code>$3FFF</code> |- | $4000 || 2 || Stack segment? |- | $4002 || 2 || Data segment? |- | $4004 || 224 || Copy of IO ports <code>$00...")
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The System interrupt provides assorted system-related functionality.

Types

Suspend/resume structure

This structure is stored in SRAM block 3, offset $7E00 (core 1) and $BF00 (core 0).

Offset Size Contents
$0000 16384 Copy of RAM area $0000 - $3FFF
$4000 2 Stack segment?
$4002 2 Data segment?
$4004 224 Copy of IO ports $00 - $DF
$40E4 6 ?

Interrupts

TODO

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