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YS MegaBasic manual - Title & Contents
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SOFTWARE

MEGA
BASIC

+
Sprite Designer
YS MegaBasic Copyright © 1984 Mike Leaman
Draft text transcription by Andrew Owen
HTML version by Jim Grimwood


CONTENTS


 
 

GETTING STARTED

Loading YS MegaBasic, Copying to Microdrive, Goodbye to keywords, Abbreviations, Line editing, User-defined keys, Control keys.

2

SCREEN OUTPUT

Windows, Panning and scrolling, Character sizes, Stippling, Character sets.

6

GRAPHICS

Attributes, User-defined graphics, Special effects.

11

CONTROLLING PROGRAM FLOW

Procedures, REPEAT-UNTIL loops, Branching, Multi-tasking.

14

PROGRAM DEBUGGING & EDITING

Use of BRANCH, TRON, TROFF, SPEED, AUTO, DELETE, BROFF, BRON, RESTART.

16

SOUND

PLAYing with sound effects, The Interrupt Sound Generator, SOFF, SON, SREP.

18

MACHINE CODE & YS MegaBasic

DOKE, CALL, Front-panel.

19

SPRITE DESIGNER

MegaSpectrum sprites, using Sprite Designer.

21

THE NEW COMMANDS

Easy reference guide to all the new YS MegaBasic commands.

24

THE NEW ERROR MESSAGES

Eleven YS MegaBasic error messages explained.

29