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DOS/V - FONT SUBSYSTEM ACCESS

AH = 50h
AL = which function address to retrieve
00h "read font" function
01h "write font" function
BL = 00h
BH = character size (00h single-byte, 01h double-byte)
DH = width of character cell
DL = height of character cell
BP = code page (see #00470)

Return:
CF clear if successful
AH = 00h
ES:BX -> requested function's address
CF set on error
AH = error code (see #00471)

See Also: AH=49h

(Table 00470)
Values for DOS/V code page:
0      default
437    US English
932    Japanese
934    Korea
936    China
938    Taiwan

See Also: #01757

(Table 00471)
Values for DOS/V error code:
01h    invalid font type in BH
02h    BL not zero
03h    invalid font size
04h    invalid code page
80h    unsupported function (PC)
86h    unsupported function (XT)

See Also: #01680

Category: Japanese - Int 15h - D

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