Tandy 1000 Programmer's Reference Guide

Chapter 1 I System Calls
FindNext
Find Next Matching File
Function Call 4FH
Finds the next matching entry in a directory. The current Disk
Transfer Address must contain the block returned
by the Find-
First function call (4EH).
Entry Conditions:
AH = 4FH
E xi t Conditions:
Carry set:
AX = error code
Carry not set:
No error.
Error Returns:
AX = 18
No more files. There are no more files matching this
pattern.
Example:
FindNext eq" 4FH
;DTA contains block returned by
;FindFirst
mov ah, FindNext
int
21 H
133

Tandy 1000 Specifications

General

Processor	Intel 8088
Processor Speed	4.77 MHz
RAM	128 KB (expandable to 640 KB)
Operating System	MS-DOS 2.11
Manufacturer	Tandy Corporation
Release Year	1984
Storage	Single or double 5.25" floppy disk drive (360 KB), optional hard drive
Sound	Tandy 3-voice sound
Ports	Parallel, Serial
Graphics	CGA (Color Graphics Adapter)
Graphics Modes	320x200, 640x200