There are several updated functions in BIOS 3.00 (published in 10 of April,
2002).
0F2h (242) FN_SYNC=0 Set a synchronization
input:
C=0F2h
A - mode of the synchronization
A=0 default
A=1 Scorpion mode - 312 lines; INT synchronized with Scorpion 256
A=2 Pentagon mode - 320 lines; INT synchronized with Pentagon 128
A=3 ZX Spectrum +2 mode - 312 lines; INT synchronized with ZX Spectrum +2
output:
CF=1 - error - incorrect number of the synchronization
08Fh (143) FN_TURBO Turbo mode control.
input:
C=08Fh
A - 2 - turbo off
3 - turbo on
12h - 720 floppy disk
13h - 1.44 floppy disk
output:
CF=1 - error - incorrect mode
0A4h (164) PIC_SET_PAL Set the palettes
input:
C=0A4h
HL - buffer with palette data
E - number of first replaced colour
D - count of colours for replacing
B - mask (#FF for not masking)
A - 0..3 bits:
- 0..7 - number of palette
- 8..15 - reserved
- 4..6 bits - reserved (value = 0)
- 7 bit:
- 0 - set palette
- 1 - load palette into the memory
output:
none
0A6h (166) SET_PAL_INIT Set the internal palette
input:
C=0A6h
A - page of palette
B - number of palette:
B=1 - palette of graphic screens
B=2 - palette of Spectrum screen
B=3 - palette of CGA text screen
output:
CF=1 - wrong number of palette
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PETERS PLUS LTDEdited by
Alex_Goryachev on 2002/09/26 12:16.
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BIOS 3.00: updated functions
