INT 14 - FOSSIL(Fido/Opus/Seadog Standard Interface Layer) A standardized API for performing serial I/O, originally used by the Fido and Opus bulletin- board software and Seadog bulletin-board mailer, but now in wider use. - TRANSMIT NO WAIT AH = 0Bh AL = character DX = port number Return: AX = result 0000h character not accepted 0001h character accepted SeeAlso: AH=01h
INT 14 - MBBIOS - READ BUFFER AH = 0Bh CX = size of buffer ES:DI -> buffer Return: AH = composite line status (see #00304) formed by ORing all statuses on receive interrupts; bit 0 set if additional characters available AL = composite modem status (see #00305) formed by ORing all statuses CX = number of characters actually read DI updated Note: the PACCOM version of MBBIOS does not use CX or ES:DI on call, instead returning ES set to the segment of the buffer containing a received packet, or 0000h if no packets available; the buffer may be freed with AH=0Ch"MBBIOS" SeeAlso: AH=02h,AH=08h"MBBIOS",AH=0Ah"MBBIOS",AH=0Ch"MBBIOS",AH=18h"FOSSIL(Fido/Opus/Seadog Standard Interface Layer) A standardized API for performing serial I/O, originally used by the Fido and Opus bulletin- board software and Seadog bulletin-board mailer, but now in wider use."