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Merge pull request #36 from BigEd/patch-2

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Add I/O to 6800
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trebonian 2015-04-26 13:48:07 -04:00
commit f3cffeeed6
1 changed files with 13 additions and 7 deletions
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chip-6800/testprogram.js
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@ -4,20 +4,26 @@ testprogramAddress=0x0000;
// we want to auto-clear the console if any output is sent by the program // we want to auto-clear the console if any output is sent by the program
var consoleboxStream=""; var consoleboxStream="";
// for opcodes, see ftp://ftp.comlab.ox.ac.uk/pub/Cards/txt/6800.txt // demonstrate write hook
writeTriggers[0x8000]="consoleboxStream += String.fromCharCode(d);"+
"consolebox.innerHTML = consoleboxStream;";
// demonstrate read hook (not used by this test program)
readTriggers[0x8004]="((consolegetc==undefined)?0:0xff)"; // return zero until we have a char
readTriggers[0x8000]="var c=consolegetc; consolegetc=undefined; (c)";
// for opcodes, see http://www.textfiles.com/programming/CARDS/6800
testprogram = [ testprogram = [
0xce, 0x43, 0x21, // LDX #4321 0xce, 0x43, 0x21, // LDX #4321
0x35, // TXS 0x35, // TXS
0xc6, 0xfb, // LDAB #$FB 0xce, 0x80, 0x00, // LDX #8000
0xc6, 0x40, // LDAB #$40
0xbd, 0x00, 0x10, // JSR $0010 0xbd, 0x00, 0x10, // JSR $0010
0x7e, 0x00, 0x04, // JMP $0004 0x7e, 0x00, 0x09, // JMP $0009
0x01, // NOP 0x01, // NOP
0x01, // NOP
0x01, // NOP
0x01, // NOP
0x08, // INX
0x4a, // DECA 0x4a, // DECA
0xe7, 0x00, // STAB 0, X
0x7c, 0x00, 0x0f, // INC $0F 0x7c, 0x00, 0x0f, // INC $0F
0x0d, // SEC 0x0d, // SEC
0xc9, 0x02, // ADCB #$02 0xc9, 0x02, // ADCB #$02