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Frater 2026-01-30 13:33:24 +01:00
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# BDA (Bios Data Area) Custom
Le projet utilise une extension de la BDA standard IBM PC.
Segment BDA Standard : 0x0040
Segment Données Custom : 0x0050 (Défini par BDA_DATA_SEG).
## Mapping Mémoire Global :
0000:0000 : IVT (Interrupt Vector Table)
0040:0000 : BDA Standard
0050:0000 : Variables Drivers (Souris, Gfx)
0800:0000 : Stack (0x8000 - 0x18000 approx) ou Code (selon boot.asm).
B800:0000 : VRAM CGA.