Int 61/AH=30h

Atari Portfolio - FILE TRANSFER SERVICES

AH = 30h
AL = function
00h transmit block
CX = number of bytes to send
01h receive block
CX = buffer size
02h open ports
03h close ports
04h wait 500ms
DS:DX -> start of data buffer

Return:
DL = status
00h successful
01h buffer too small
02h transmission timeout
03h checksum failure
04h invalid subfunction
05h peripheral not installed
if function 01h:
CX = number of bytes received

See Also: AH=00h"Portfolio" - AH=2Eh"Portfolio"

Category: Vendor-specific BIOS Extensions - Int 61h - A

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