Make JavaScript core work like the API
This commit is contained in:
parent
1cc268e5d0
commit
386f4a904f
2
makefile
2
makefile
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@ -1,7 +1,7 @@
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.PHONY: help
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help:
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@echo
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@echo "Virtual Boy Emulator - March 11, 2023"
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@echo "Virtual Boy Emulator - March 12, 2023"
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@echo
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@echo "Target build environment is any Debian with the following packages:"
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@echo " emscripten"
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@ -1,6 +1,30 @@
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// Interface between application and WebAssembly worker thread
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class Core {
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//////////////////////////////// Constants ////////////////////////////////
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/* Register types */
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static VB_PROGRAM = 0;
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static VB_SYSTEM = 1;
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static VB_OTHER = 2;
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/* System registers */
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static VB_ADTRE = 25;
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static VB_CHCW = 24;
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static VB_ECR = 4;
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static VB_EIPC = 0;
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static VB_EIPSW = 1;
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static VB_FEPC = 2;
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static VB_FEPSW = 3;
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static VB_PIR = 6;
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static VB_PSW = 5;
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static VB_TKCW = 7;
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/* Other registers */
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static VB_PC = 0;
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///////////////////////// Initialization Methods //////////////////////////
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constructor() {
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@ -138,29 +162,13 @@ class Core {
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}, [], options);
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}
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// Retrieve the value of PC
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getProgramCounter(sim, options) {
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// Retrieve the value of a register
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getRegister(sim, type, id, options) {
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return this.message({
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command: "getProgramCounter",
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sim : sim.pointer
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}, [], options);
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}
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// Retrieve the value of a program register
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getProgramRegister(sim, id, options) {
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return this.message({
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command: "getProgramRegister",
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command: "getRegister",
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id : id,
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sim : sim.pointer
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}, [], options);
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}
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// Retrieve the value of a system register
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getSystemRegister(sim, id, options) {
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return this.message({
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command: "getSystemRegister",
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id : id,
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sim : sim.pointer
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sim : sim.pointer,
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type : type
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}, [], options);
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}
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@ -199,21 +207,13 @@ class Core {
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}, [], options);
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}
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// Specify a value for the program counter
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setProgramCounter(sim, value, options) {
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// Specify a value for a register
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setRegister(sim, type, id, value, options) {
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return this.message({
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command: "setProgramCounter",
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sim : sim.pointer,
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value : value
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}, [], options);
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}
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// Specify a value for a program register
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setProgramRegister(sim, id, value, options) {
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return this.message({
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command: "setProgramRegister",
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command: "setRegister",
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id : id,
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sim : sim.pointer,
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type : type,
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value : value
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}, [], options);
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}
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@ -229,16 +229,6 @@ class Core {
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}, [data.buffer], options);
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}
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// Specify a value for a system register
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setSystemRegister(sim, id, value, options) {
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return this.message({
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command: "setSystemRegister",
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id : id,
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sim : sim.pointer,
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value : value
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}, [], options);
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}
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// Execute the current instruction
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singleStep(sims, options) {
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return this.message({
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@ -1,5 +1,25 @@
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"use strict";
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/* Register types */
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const VB_PROGRAM = 0;
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const VB_SYSTEM = 1;
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const VB_OTHER = 2;
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/* System registers */
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const VB_ADTRE = 25;
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const VB_CHCW = 24;
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const VB_ECR = 4;
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const VB_EIPC = 0;
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const VB_EIPSW = 1;
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const VB_FEPC = 2;
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const VB_FEPSW = 3;
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const VB_PIR = 6;
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const VB_PSW = 5;
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const VB_TKCW = 7;
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/* Other registers */
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const VB_PC = 0;
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// Dedicated emulation thread
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class CoreThread {
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@ -130,19 +150,12 @@ class CoreThread {
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};
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}
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// Retrieve the value of PC
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getProgramCounter(msg) {
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return { value: this.vbGetRegister(msg.sim, 2, 0) >>> 0 };
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}
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// Retrieve the value of a program register
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getProgramRegister(msg) {
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return { value: this.vbGetRegister(msg.sim, 0, msg.id) };
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}
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// Retrieve the value of a system register
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getSystemRegister(msg) {
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return { value: this.vbGetRegister(msg.sim, 1, msg.id) >>> 0 };
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// Retrieve the value of a register
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getRegister(msg) {
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let value = this.vbGetRegister(msg.sim, msg.type, msg.id);
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if (msg.type != VB_PROGRAM)
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value >>>= 0;
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return { value: value };
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}
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// Read multiple bytes from memory
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@ -193,13 +206,10 @@ class CoreThread {
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delete rep.transfers;
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}
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// Do not send a reply
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if (subscriptions.length == 0 && !msg.reply)
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return;
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// Send the response to the main thread
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if (subscriptions.length == 0)
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return;
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this.main.postMessage({
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isReply : !!msg.reply,
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subscriptions: subscriptions.sort(CoreThread.REFRESH_ORDER)
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}, transfers);
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}
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@ -224,14 +234,12 @@ class CoreThread {
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return { pcs: pcs };
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}
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// Specify a value for the program counter
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setProgramCounter(msg) {
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return { value: this.vbSetRegister(msg.sim, 2, 0, msg.value) >>> 0 };
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}
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// Specify a value for a program register
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setProgramRegister(msg) {
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return { value: this.vbSetRegister(msg.sim, 0, msg.id, msg.value) };
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// Specify a value for a register
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setRegister(msg) {
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let value = this.vbSetRegister(msg.sim, msg.type, msg.id, msg.value);
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if (msg.type != VB_PROGRAM)
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value >>>= 0;
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return { value: value };
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}
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// Specify a cartridge ROM buffer
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@ -261,11 +269,6 @@ class CoreThread {
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return { success: success };
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}
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// Specify a value for a system register
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setSystemRegister(msg) {
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return {value:this.vbSetRegister(msg.sim, 1, msg.id, msg.value)>>>0};
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}
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// Execute the current instruction
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singleStep(msg) {
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let sims = this.malloc(msg.sims.length, true);
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@ -1,3 +1,4 @@
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import { Core } from /**/"../core/Core.js";
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import { Disassembler } from /**/"../core/Disassembler.js";
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import { Toolkit } from /**/"../toolkit/Toolkit.js";
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let register = Debugger => {
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@ -657,10 +658,12 @@ class Register {
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///////////////////////// Initialization Methods //////////////////////////
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constructor(registers, key, type) {
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constructor(registers, key, type, apiType, apiId) {
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let app = registers.cpu.debug.app;
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// Configure instance fields
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this.apiId = apiId;
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this.apiType = apiType;
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this.controls = [];
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this.dasm = registers.cpu.debug.app.dasm;
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this.debug = registers.cpu.debug;
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@ -1159,17 +1162,11 @@ class Register {
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async setValue(value) {
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// Update the value in the simulation state
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let sim = this.debug.sim;
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let result = await (
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this.key == "pc" ? this.debug.core
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.setProgramCounter(sim, value, {
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refresh: [ this.registers.cpu.disassembler.subscription ]
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}) :
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this.type != Register.PROGRAM ? this.debug.core
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.setSystemRegister(sim, this.key, value) :
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this.debug.core
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.setProgramRegister(sim, this.key, value)
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);
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let options = {};
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if (this.key == "pc")
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options.refresh = [ this.registers.cpu.disassembler.subscription ];
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let result = await this.debug.core.setRegister(
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this.debug.sim, this.apiType, this.apiId, value, options);
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// Update the value in the debugger window
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this.target[this.key] = result.value;
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@ -1194,20 +1191,20 @@ class RegisterPane extends Toolkit.SplitPane {
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// System register templates
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static SYSTEMS = [
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[ [ "pc" ], Register.PLAIN ],
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[ [ "system", 5 ], Register.PSW ],
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[ [ "system", 25 ], Register.PLAIN ],
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[ [ "system", 24 ], Register.CHCW ],
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[ [ "system", 4 ], Register.ECR ],
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[ [ "system", 0 ], Register.PLAIN ],
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[ [ "system", 1 ], Register.PSW ],
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[ [ "system", 2 ], Register.PLAIN ],
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[ [ "system", 3 ], Register.PSW ],
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[ [ "system", 6 ], Register.PIR ],
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[ [ "system", 7 ], Register.TKCW ],
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[ [ "system", 29 ], Register.PLAIN ],
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[ [ "system", 30 ], Register.PLAIN ],
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[ [ "system", 31 ], Register.PLAIN ]
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[["pc" ],Register.PLAIN,Core.VB_OTHER ,Core.VB_PC ],
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[["system",Core.VB_PSW ],Register.PSW ,Core.VB_SYSTEM,Core.VB_PSW ],
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[["system",Core.VB_ADTRE],Register.PLAIN,Core.VB_SYSTEM,Core.VB_ADTRE],
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[["system",Core.VB_CHCW ],Register.CHCW ,Core.VB_SYSTEM,Core.VB_CHCW ],
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[["system",Core.VB_ECR ],Register.ECR ,Core.VB_SYSTEM,Core.VB_ECR ],
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[["system",Core.VB_EIPC ],Register.PLAIN,Core.VB_SYSTEM,Core.VB_EIPC ],
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[["system",Core.VB_EIPSW],Register.PSW ,Core.VB_SYSTEM,Core.VB_EIPSW],
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[["system",Core.VB_FEPC ],Register.PLAIN,Core.VB_SYSTEM,Core.VB_FEPC ],
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[["system",Core.VB_FEPSW],Register.PSW ,Core.VB_SYSTEM,Core.VB_FEPSW],
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[["system",Core.VB_PIR ],Register.PIR ,Core.VB_SYSTEM,Core.VB_PIR ],
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[["system",Core.VB_TKCW ],Register.TKCW ,Core.VB_SYSTEM,Core.VB_TKCW ],
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[["system",29 ],Register.PLAIN,Core.VB_SYSTEM,29 ],
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[["system",30 ],Register.PLAIN,Core.VB_SYSTEM,30 ],
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[["system",31 ],Register.PLAIN,Core.VB_SYSTEM,31 ]
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];
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@ -1278,10 +1275,10 @@ class RegisterPane extends Toolkit.SplitPane {
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// Configure register lists
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for (let sys of RegisterPane.SYSTEMS)
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this.addRegister(new Register(this, sys[0], sys[1]));
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this.addRegister(new Register(this, ... sys));
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for (let x = 0; x < 32; x++) {
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this.addRegister(new Register(this,
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[ "program", x ], Register.PROGRAM));
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[ "program", x ], Register.PROGRAM, Core.VB_PROGRAM, x));
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}
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// Value text box measurer
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@ -4,13 +4,6 @@ let register = Debugger => Debugger.Memory =
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// Debugger memory window
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class Memory extends Toolkit.Window {
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//////////////////////////////// Constants ////////////////////////////////
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// Bus indexes
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static MEMORY = 0;
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///////////////////////// Initialization Methods //////////////////////////
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constructor(debug, index) {
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@ -35,12 +28,11 @@ class Memory extends Toolkit.Window {
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// Available buses
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this.buses = [
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{
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index : Memory.MEMORY,
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editAddress: 0x05000000,
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viewAddress: 0x05000000
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}
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];
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this.bus = this.buses[Memory.MEMORY];
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this.bus = this.buses[0];
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// Window
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this.setTitle("{debug.memory._}", true);
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@ -60,8 +52,7 @@ class Memory extends Toolkit.Window {
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this.drpBus = new Toolkit.DropDown(debug.app);
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this.drpBus.setLabel("{debug.memory.bus}", true);
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this.drpBus.setTitle("{debug.memory.bus}", true);
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this.drpBus.add("{debug.memory.busMemory}", true,
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this.buses[Memory.MEMORY]);
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this.drpBus.add("{debug.memory.busMemory}", true, this.buses[0]);
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this.drpBus.addEventListener("input", e=>this.busInput());
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this.add(this.drpBus);
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@ -86,9 +77,10 @@ class Memory extends Toolkit.Window {
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};
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this.hexEditor.setLabel("{debug.memory.hexEditor}", true);
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this.hexEditor.setRoleDescription("{debug.memory.hexEditor}", true);
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this.hexEditor.addEventListener("keydown", e=>this.hexKeyDown(e));
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this.hexEditor.addEventListener("resize" , e=>this.hexResize ( ));
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this.hexEditor.addEventListener("wheel" , e=>this.hexWheel (e));
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this.hexEditor.addEventListener("focusout", e=>this.commit ( ));
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this.hexEditor.addEventListener("keydown" , e=>this.hexKeyDown(e));
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this.hexEditor.addEventListener("resize" , e=>this.hexResize ( ));
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this.hexEditor.addEventListener("wheel" , e=>this.hexWheel (e));
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this.hexEditor.addEventListener(
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"pointerdown", e=>this.hexPointerDown(e));
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this.lastFocus = this.hexEditor;
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@ -187,7 +179,7 @@ class Memory extends Toolkit.Window {
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// Processing by key, scroll lock on
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else switch (e.key) {
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case "ArrowDown":
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this.bus.viewAddress += 16;
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this.setViewAddress(this.bus.viewAddress + 16);
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this.fetch();
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Toolkit.handle(e);
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return;
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@ -200,17 +192,17 @@ class Memory extends Toolkit.Window {
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Toolkit.handle(e);
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return;
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case "ArrowUp":
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this.bus.viewAddress -= 16;
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this.setViewAddress(this.bus.viewAddress - 16);
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this.fetch();
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Toolkit.handle(e);
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return;
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case "PageDown":
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this.bus.viewAddress += this.tall(true) * 16;
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this.setViewAddress(this.bus.viewAddress + this.tall(true)*16);
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this.fetch();
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Toolkit.handle(e);
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return;
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case "PageUp":
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this.bus.viewAddress -= this.tall(true) * 16;
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this.setViewAddress(this.bus.viewAddress - this.tall(true)*16);
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this.fetch();
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Toolkit.handle(e);
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return;
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@ -280,7 +272,7 @@ class Memory extends Toolkit.Window {
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}
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// Update the selection address
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let address = this.bus.viewAddress + y * 16 + x >>> 0;
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let address = this.toAddress(this.bus.viewAddress + y * 16 + x);
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if (this.editDigit !== null && address != this.bus.editAddress)
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this.commit();
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this.setEditAddress(address);
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@ -356,7 +348,7 @@ class Memory extends Toolkit.Window {
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return;
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// Scroll the view
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this.bus.viewAddress = this.bus.viewAddress + scr.lines * 16 >>> 0;
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this.setViewAddress(this.bus.viewAddress + scr.lines * 16);
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this.fetch();
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}
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@ -407,7 +399,7 @@ class Memory extends Toolkit.Window {
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// The edited value is in the bus's data buffer
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if (this.data != null) {
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let offset = this.bus.editAddress - this.dataAddress >>> 0;
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let offset = this.toAddress(this.bus.editAddress-this.dataAddress);
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if (offset < this.data.length)
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this.data[offset] = this.editDigit;
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}
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@ -425,7 +417,7 @@ class Memory extends Toolkit.Window {
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// Select the parameters for the simulation fetch
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let params = {
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address: this.bus.viewAddress - 10 * 16,
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address: this.toAddress(this.bus.viewAddress - 10 * 16),
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length : (this.tall(false) + 20) * 16
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};
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@ -478,7 +470,7 @@ class Memory extends Toolkit.Window {
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// Process all lines
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for (let y = 0; y < this.lines.length; y++) {
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let address = this.bus.viewAddress + y * 16 >>> 0;
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let address = this.toAddress(this.bus.viewAddress + y * 16);
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let line = this.lines[y];
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// Address label
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@ -496,7 +488,7 @@ class Memory extends Toolkit.Window {
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// Bus data exists
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else if (this.data != null) {
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let offset = address - this.dataAddress + x >>> 0;
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let offset = this.toAddress(address-this.dataAddress+x);
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// The byte is contained in the bus data buffer
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if (offset >= 0 && offset < this.data.length)
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@ -515,18 +507,18 @@ class Memory extends Toolkit.Window {
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setEditAddress(address, auto = false) {
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let col = this.lines[0].lblBytes[address&15].getBoundingClientRect();
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let port = this.scrHex.viewport.element.getBoundingClientRect();
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let row = (address & ~15) >>> 0;
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let row = this.toAddress(address & ~15);
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let scr = this.scrHex.scrollLeft;
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let tall = this.tall(true, 0);
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// Ensure the data row is fully visible
|
||||
if (row - this.bus.viewAddress >>> 0 >= tall * 16) {
|
||||
if (this.toAddress(row - this.bus.viewAddress) >= tall * 16) {
|
||||
if (!auto) {
|
||||
this.bus.viewAddress =
|
||||
this.bus.viewAddress - row >>> 0 <=
|
||||
row - (this.bus.viewAddress + tall * 16) >>> 0
|
||||
? row : row - (tall - 1) * 16;
|
||||
} else this.bus.viewAddress = row - Math.floor(tall * auto) * 16;
|
||||
this.setViewAddress(
|
||||
this.toAddress(this.bus.viewAddress - row) <=
|
||||
this.toAddress(row - (this.bus.viewAddress + tall * 16))
|
||||
? row : this.toAddress(row - (tall - 1) * 16));
|
||||
} else this.setViewAddress(row - Math.floor(tall * auto) * 16);
|
||||
this.fetch();
|
||||
}
|
||||
|
||||
|
|
@ -542,10 +534,15 @@ class Memory extends Toolkit.Window {
|
|||
;
|
||||
|
||||
// Refresh the display;
|
||||
this.bus.editAddress = address;
|
||||
this.bus.editAddress = this.toAddress(address);
|
||||
this.refresh();
|
||||
}
|
||||
|
||||
// Specify the address of the hex editor's view
|
||||
setViewAddress(address) {
|
||||
this.bus.viewAddress = this.toAddress(address);
|
||||
}
|
||||
|
||||
// Measure the number of lines visible in the view
|
||||
tall(fully = null, plus = 1) {
|
||||
return Math.max(1, Math[fully===null ? "abs" : fully?"floor":"ceil"](
|
||||
|
|
@ -554,6 +551,11 @@ class Memory extends Toolkit.Window {
|
|||
)) + plus;
|
||||
}
|
||||
|
||||
// Ensure an address is in the proper range
|
||||
toAddress(address) {
|
||||
return address >>> 0;
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
export { register };
|
||||
|
|
|
|||
Loading…
Reference in New Issue