clones/8800-simulator
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

UI support for loading hex string data

Browse Source
This commit is contained in:
wixette
2020-03-07 00:40:54 +08:00
parent 99e0ffff4a
commit 3b2b82cd69
2 changed files with 53 additions and 21 deletions
Download Patch File Download Diff File Expand all files Collapse all files

40
js/sim8800.js
View File

@@ -104,9 +104,12 @@ class Sim8800 {
* @param {Array<number>} data The array of data.
*/
loadData(address, data) {
if (!this.isPoweredOn)
return;
for (let i = 0; i < data.length && address < this.mem.length; i++) {
this.mem[address++] = data[i];
}
this.dumpMem();
}
/**
@@ -115,11 +118,14 @@ class Sim8800 {
* @param {string} hexString Data encoded in hex string, like 'c3 00 00'.
*/
loadDataAsHexString(address, hexString) {
if (!this.isPoweredOn || !hexString)
return;
var data = hexString.split(' ');
for (let i = 0; i < data.length && address < this.mem.length; i++) {
var byte = parseInt('0x' + data[i]);
this.mem[address++] = byte;
}
this.dumpMem();
}
/**
@@ -257,23 +263,6 @@ class Sim8800 {
};
}
/**
* Runs a given number of CPU cycles.
* @param {number} cycles The number of CPU cycles to step on.
*/
step(cycles) {
if (!this.isPoweredOn)
return;
CPU8080.steps(cycles);
this.dumpCpu();
this.dumpMem();
if (this.setAddressLedsCallback) {
var cpu = CPU8080.status();
var pcBits = Sim8800.parseBits(cpu.pc, 16);
this.setAddressLedsCallback(pcBits);
}
}
/**
* Powers on the machine.
*/
@@ -353,4 +342,21 @@ class Sim8800 {
}
window.setTimeout(this.getClockTickerCallback(), 1);
}
/**
* Runs a given number of CPU cycles.
* @param {number} cycles The number of CPU cycles to step on.
*/
step(cycles) {
if (!this.isPoweredOn)
return;
CPU8080.steps(cycles);
this.dumpCpu();
this.dumpMem();
if (this.setAddressLedsCallback) {
var cpu = CPU8080.status();
var pcBits = Sim8800.parseBits(cpu.pc, 16);
this.setAddressLedsCallback(pcBits);
}
}
};