BBC Microcomputer System User Guide

BBC Microcomputer System user Guide Original edition written by John Coll, edited by David Allen. Amendments and corrections to this edition by Acorn Computers Limited Part no 0433 000. Issue 1. Date October 1984. WARNING: THE COMPUTER MUST BE EARTHED. Important: The wires in the mains lead to the computer are coloured in accordance with the following code: Green and yellow Earth Blue Neutral Brown Live As the colours of the wires may not correspond with the coloured markings identifying the terminals in your plug, proceed as follows: The wire which is coloured green and yellow must be connected to the terminal in the plug which is marked by the letter E, or by the safety earth symbol or coloured green, or green and yellow. The wire which is coloured blue must be connected to the terminal which is marked with the letter N, or coloured black.

10 PRINT formatting and cursor control 57 Field widths in different screen modes 57 Altering the width of the field and the way in which numbers are printed 60 For the more technically minded 60 TAB(X) 62 TAB(X,Y) 62 Advanced print positioning 63 Cursor control 65 Cursor on/off 66 11 Input 67 12 GET, INKEY 70 Advanced features 71 13 TIME, RND 73

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