rewrite, its now a vm for a shitty subset of assembly

This commit is contained in:
2026-09-09 00:45:52 -05:00
parent d261a49213
commit a71d73e19d
76 changed files with 703 additions and 99 deletions
+187 -67
View File
@@ -2,99 +2,219 @@
using System.Collections.Generic;
using System.Linq;
using System.Text;
using SDL2;
namespace Core
{
public class Operations
{
public Dictionary<string, float> Variables = new Dictionary<string, float>();
public Operations(int pixBufSize) => WindowSize = pixBufSize;
public Dictionary<string, int> Variables = new Dictionary<string, int>();
public static int WindowSize;
public int Accumulator = 0;
public int StackX = 0;
public int StackY = 0;
public int[] Memory = new int[256];
public string Filename;
public int pointer = 0;
public int[] PixBufferR = new int[WindowSize];
public int[] PixBufferG = new int[WindowSize];
public int[] PixBufferB = new int[WindowSize];
private float ResolveValue(string value)
private int ResolveValue(string shite)
{
// Checks if the value contains any letters
if (!value.Any(char.IsLetter))
if (shite.Any(char.IsLetter))
{
float.TryParse(value, out float result);
return result;
switch (shite)
{
case "ACC":
return Accumulator;
case "RAX":
return StackX;
case "RAY":
return StackY;
}
Variables.TryGetValue(shite, out int a);
return a;
}
else
{
Variables.TryGetValue(value, out float result);
return result;
int.TryParse(shite, out int a);
return a;
}
}
public float ExecuteCommand(ComponentType type, string val1, string val2)
public void ExecuteCommand(ComponentType type, string[] args)
{
switch (type)
{
default: return 2;
case ComponentType.EQ_ADD:
float a = ResolveValue(val1);
float b = ResolveValue(val2);
return a + b;
case ComponentType.EQ_SUB:
float aS = ResolveValue(val1);
float bS = ResolveValue(val2);
return aS - bS;
case ComponentType.EQ_MUL:
float aM = ResolveValue(val1);
float bM = ResolveValue(val2);
return aM * bM;
case ComponentType.EQ_DIV:
float aD = ResolveValue(val1);
float bD = ResolveValue(val2);
return aD / bD;
default: return;
// Variables
case ComponentType.NVAR:
string name = args[1];
int value = ResolveValue(args[2]);
Variables.Add(name, value);
return;
case ComponentType.RVAR:
string rname = args[1];
Variables.Remove(rname);
return;
case ComponentType.SVAR:
string sname = args[1];
int svalue = ResolveValue(args[2]);
Variables[sname] = svalue;
return;
case ComponentType.QZ_VAR:
float val = 0.0f;
float.TryParse(val2, out val);
if (Variables.ContainsKey(val1))
{
Variables[val1] = val;
}
else
{
Variables.Add(val1, val);
}
return val;
// Memory/stack shite
case ComponentType.LDA:
Accumulator = Memory[ResolveValue(args[1])];
return;
case ComponentType.STA:
Memory[ResolveValue(args[1])] = Accumulator;
return;
case ComponentType.LDX:
StackX = Accumulator;
return;
case ComponentType.LDY:
StackY = Accumulator;
return;
case ComponentType.STX:
Accumulator = StackX;
return;
case ComponentType.STY:
Accumulator = StackY;
return;
case ComponentType.SEA:
Accumulator = ResolveValue(args[1]);
return;
// flow control
case ComponentType.JMP:
pointer = ResolveValue(args[1]) - 1;
return;
// math
case ComponentType.ADD:
Accumulator = StackX + StackY;
return;
case ComponentType.SUB:
Accumulator = StackX - StackY;
return;
case ComponentType.MUL:
Accumulator = StackX * StackY;
return;
case ComponentType.DIV:
Accumulator = StackX / StackY;
return;
// Debug commands
case ComponentType.PRA:
Console.WriteLine(Accumulator);
return;
case ComponentType.PRX:
Console.WriteLine(StackX);
return;
case ComponentType.PRY:
Console.WriteLine(StackY);
return;
case ComponentType.PRM:
int.TryParse(args[1], out int valB);
Console.WriteLine(Memory[valB]);
return;
case ComponentType.HLT:
while (true) { }
}
}
public float EquParserLoop(string equ)
public void EquParserLoop(string equ)
{
if (equ != "")
string[] lines = equ.Split(new[] { "\r\n", "\r", "\n" }, StringSplitOptions.None);
while (pointer < lines.Length)
{
string[] tokens = equ.Split(new char[] { ' ', ',' }, StringSplitOptions.RemoveEmptyEntries);
if (tokens.Length >= 3)
string[] tokens = lines[pointer].Split(new char[] { ' ', ',' }, StringSplitOptions.RemoveEmptyEntries);
string command = tokens[0];
if (tokens.Length == 0)
{
string command = tokens[0]; // "ADD" or "VAR"
string val1 = tokens[1]; // "X"
string val2 = tokens[2]; // "0" or "10"
switch (command)
{
default: return 0;
case "ADD":
Console.WriteLine("[CommandParser] Executed command ADD");
return ExecuteCommand(ComponentType.EQ_ADD, val1, val2);
case "SUB":
Console.WriteLine("[CommandParser] Executed command ADD");
return ExecuteCommand(ComponentType.EQ_SUB, val1, val2);
case "MUL":
Console.WriteLine("[CommandParser] Executed command ADD");
return ExecuteCommand(ComponentType.EQ_MUL, val1, val2);
case "DIV":
Console.WriteLine("[CommandParser] Executed command ADD");
return ExecuteCommand(ComponentType.EQ_DIV, val1, val2);
case "VAR":
Console.WriteLine("[CommandParser] Executed command ADD");
return ExecuteCommand(ComponentType.QZ_VAR, val1, val2);
}
pointer++;
continue;
}
else { return 0; }
switch (command)
{
default: break;
case "::":
break;
// variables
case "NVAR":
ExecuteCommand(ComponentType.NVAR, tokens);
break;
case "RVAR":
ExecuteCommand(ComponentType.RVAR, tokens);
break;
case "SVAR":
ExecuteCommand(ComponentType.SVAR, tokens);
break;
// memory
case "LDA":
ExecuteCommand(ComponentType.LDA, tokens);
break;
case "STA":
ExecuteCommand(ComponentType.STA, tokens);
break;
case "LDX":
ExecuteCommand(ComponentType.LDX, tokens);
break;
case "LDY":
ExecuteCommand(ComponentType.LDY, tokens);
break;
case "STX":
ExecuteCommand(ComponentType.STX, tokens);
break;
case "STY":
ExecuteCommand(ComponentType.STY, tokens);
break;
case "SEA":
ExecuteCommand(ComponentType.SEA, tokens);
break;
// flow control
case "JMP":
ExecuteCommand(ComponentType.JMP, tokens);
break;
// math
case "ADD":
ExecuteCommand(ComponentType.ADD, tokens);
break;
// debug
case "PRA":
ExecuteCommand(ComponentType.PRA, tokens);
break;
case "PRX":
ExecuteCommand(ComponentType.PRX, tokens);
break;
case "PRY":
ExecuteCommand(ComponentType.PRY, tokens);
break;
case "PRM":
ExecuteCommand(ComponentType.PRM, tokens);
break;
case "HLT":
ExecuteCommand(ComponentType.HLT, tokens);
break;
}
pointer++;
}
else { return 0; }
}
}
}