COMPASS MSX-DOS2 PIS INDEX

MSX-DOS 2 PROGRAM INTERFACE SPECIFICATION

CONTENTS

1. Introduction

2. Transient Program Environment

2.1 Entry from MSX-DOS

2.2 Return to MSX-DOS

2.3 Page Zero Usage

2.4 BIOS Jump Table

2.5 RAM Paging

3. MSX-DOS calls

3.1 Calling Conventions

3.2 Devices and Character I/O

3.3 File Handles

3.4 File Info Blocks

3.5 Environment Strings

3.6 File Control Blocks

4. Screen Control Codes

5. Mapper Support Routines

5.1 Mapper Initialization

5.2 Mapper Variables and Routines

5.3 Using Mapper Routines

5.4 Allocating and Freeing Segments

5.5 Inter-Segment Read and Write

5.6 Inter-Segment Calls

5.7 Direct paging routines

6. Errors

6.1 Disk Errors

6.2 MSX-DOS Function Errors

6.3 Program Termination Errors

6.4 Command Errors