Added interrupt 15 functions, Function 46h - subfunction 00h, Read power/modem configuration – Texas Instruments 5000 User Manual

Page 266: Fadded interrupt 15 functions, F.1 introduction

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F

Added Interrupt 15 Functions

F.1 Introduction

This section describes the interrupt 15h functions that have been added to
the TM5000 BIOS. Only added functions are described in this specification.
All standard BIOS calls are described in the PhoenixBIOS Customer Docu-
mentation manual.

F.2 Function 46h - Subfunction 00h

Read Power/Modem Configuration

This function returns information on the current state of the power system
and the modem. This function is duplicated at Function 46h - Subfunction
02h. Also, see related functions 4601h, 4603h and FA05h.

Call with:

AH = 46h

AL = 00h or 02h

Returns:

AH = Modem Configuration

7

6

5

4

3

2

1

0

Modem Power State (0 = Off, 1 = On)

Modem Enabled by SET_UP (0 = No, 1 = Yes)

Modem on IRQ3 (0 = No, 1 = Yes)

Modem on COM1 (0 = No, 1 = Yes)

Modem Assigned (0 = No, 1 = Yes)

Modem On (0 = No, 1 = Yes)

SIO Only (0 = No, 1 = Yes)

Reserved

Added Interrupt 15 Functions F-1

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