WonderWitch/FreyaBIOS/System
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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
