visual6502/testprogram.js

37 lines
1.2 KiB
JavaScript

// This file testprogram.js can be substituted by one of several tests
// which may not be redistributable
// for example
// cbmbasic loaded at 0xa000 with entry point 0xe394
// test6502 (by Bird Computer) loaded at 0x8000 with entry point 0x8000
//
// (can use xxd -i to convert binary into C include syntax, as a starting point)
//
testprogramAddress=0x0000;
// we want to auto-clear the console if any output is sent by the program
var consoleboxStream="";
// demonstrate write hook
writeTriggers[0x000c]="consoleboxStream += String.fromCharCode(d);"+
"consolebox.innerHTML = consoleboxStream;";
// demonstrate read hook (not used by this test program)
readTriggers[0xD011]="((consolegetc==undefined)?0:0xff)"; // return zero until we have a char
readTriggers[0xD010]="var c=consolegetc; consolegetc=undefined; (c)";
testprogram = [
0xa9, 0x00, // LDA #$00
0x20, 0x10, 0x00, // JSR $0010
0x4c, 0x02, 0x00, // JMP $0002
0x00, 0x00, 0x00, 0x00,
0x40, 0x00, 0x00, 0x00,
0xe8, // INX
0x88, // DEY
0xe6, 0x0c, // INC $0C
0x38, // SEC
0x69, 0x02, // ADC #$02
0x60 // RTS
];