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AX = 1684h BX = 0444h (virtual device ID for VADMAD device) (see #02642) ES:DI = 0000h:0000h
Return:
ES:DI -> VxD API entry point (see #02683) 0000h:0000h if the VxD does not support an API(Table 02683) Call VADMAD entry point with: DX = operation 0000h set VADMAD mode AX = desired mode 0001h set VADMAD channel AX = desired channel
Note: After setting mode/channel, start the DMA operation with an OUT to I/O port 0Bh (channels 0-3) or D6h (channels 4-7)
See Also: #01268 at INT 20"Windows"
Category: Windows - Int 2Fh - M
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