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Try typing thi3 in and running it. (You'll have to turn the computer off and then back on again to get the original example program to stop.) You will again see the display of colors, but now, if you press the Game Reset switch while the program is running, the program will Jump back to the monitor program (I'll explain how this works in a moment). The monitor will a3 usual identify itself with cMx-2 In the middle of the TV and with the blinking cursor at the top. To restart the program, Just...

Pb5

Line PBS sees a logic one 3lgnal when the switch is in the up position. PB7 Right Difficulty switch. Line PB7 sees a logic one signal when the switch is in the up position. 6.2.3 Keyboard Controller Connections Each button on a keyboard controller Is an electrical switch that is connected between one line from I O port A and one of the display controller registers. All the buttons in the same row (e.g. 1, 2, and 3) are connected to the same I O port line. All the...

3j37

Copyright 1981 by Coaputer Magic Inc. Computer Fundamentals Using Your MagiCard Description of 6502 Microprocessor MagiCard Keyboard Functions MagiCard Memory Map Details of Video Computer System Features MagiCard Monitor Subroutines Hexadecimal-Decimal Conversion Table MagiCard Character Set 6502 Instruction Summary Life a Sample Program Construction and Connecting a Cassette Interface Congratulations on purchasing our MagiCard 6502 computer adapter card for your video game I First some words...