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Vectrex: ramp overscan more accurate, fixes numerous display bugs

This commit is contained in:
alyosha-tas 2019-07-04 21:26:13 -04:00
parent 9b2d926bc0
commit 275ccb381a
2 changed files with 60 additions and 28 deletions
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19
BizHawk.Emulation.Cores/Consoles/GCE/Vectrex/PPU.cs
View File

@ -7,7 +7,7 @@ namespace BizHawk.Emulation.Cores.Consoles.Vectrex
{
public VectrexHawk Core { get; set; }
public bool zero_sig, ramp_sig, blank_sig;
public bool zero_sig, ramp_sig, blank_sig, off_screen;
public byte vec_scale, x_vel, y_vel, bright;
public double x_pos, y_pos;
@ -32,13 +32,15 @@ namespace BizHawk.Emulation.Cores.Consoles.Vectrex
{
skip--;
}
if (x_pos > 257) { x_pos = 257; }
if (x_pos < 2) { x_pos = 2; }
if (y_pos > 385) { y_pos = 385; }
if (y_pos < 2) { y_pos = 2; }
off_screen = false;
if (x_pos > 257) { off_screen = true; if (x_pos > (257 + 256)) { x_pos = (257 + 256); } }
if (x_pos < 2) { off_screen = true; if (x_pos < (2 - 256)) { x_pos = (2 - 256); } }
if (y_pos > 385) { off_screen = true; if (y_pos > (385 + 256)) { y_pos = (385 + 256); } }
if (y_pos < 2) { off_screen = true; if (y_pos < (2 - 256)) { y_pos = (2 - 256); } }
}
else if (zero_sig)
{
@ -46,7 +48,7 @@ namespace BizHawk.Emulation.Cores.Consoles.Vectrex
y_pos = 192 + 2;
}
if (!blank_sig)
if (!blank_sig && !off_screen)
{
Core._vidbuffer[(int)(Math.Round(x_pos) + 260 * Math.Round(y_pos))] |= (int)(br & bright_int_1);
@ -84,6 +86,7 @@ namespace BizHawk.Emulation.Cores.Consoles.Vectrex
ser.Sync(nameof(zero_sig), ref zero_sig);
ser.Sync(nameof(blank_sig), ref blank_sig);
ser.Sync(nameof(ramp_sig), ref ramp_sig);
ser.Sync(nameof(off_screen), ref off_screen);
ser.Sync(nameof(vec_scale), ref vec_scale);
ser.Sync(nameof(x_vel), ref x_vel);

69
BizHawk.Emulation.Cores/Consoles/GCE/Vectrex/VectrexHawk.IDebuggable.cs
View File

@ -2,6 +2,7 @@
using System.Collections.Generic;
using BizHawk.Emulation.Common;
using BizHawk.Emulation.Common.Components.MC6809;
namespace BizHawk.Emulation.Cores.Consoles.Vectrex
{
@ -11,21 +12,22 @@ namespace BizHawk.Emulation.Cores.Consoles.Vectrex
{
return new Dictionary<string, RegisterValue>
{
/*
["A"] = cpu.A,
["X"] = cpu.X,
["Y"] = cpu.Y,
["S"] = cpu.S,
["PC"] = cpu.PC,
["Flag C"] = cpu.FlagC,
["Flag Z"] = cpu.FlagZ,
["A"] = cpu.Regs[MC6809.A],
["B"] = cpu.Regs[MC6809.B],
["X"] = cpu.Regs[MC6809.X],
["Y"] = cpu.Regs[MC6809.Y],
["US"] = cpu.Regs[MC6809.US],
["SP"] = cpu.Regs[MC6809.SP],
["PC"] = cpu.Regs[MC6809.PC],
["Flag E"] = cpu.FlagE,
["Flag F"] = cpu.FlagF,
["Flag H"] = cpu.FlagH,
["Flag I"] = cpu.FlagI,
["Flag D"] = cpu.FlagD,
["Flag B"] = cpu.FlagB,
["Flag V"] = cpu.FlagV,
["Flag N"] = cpu.FlagN,
["Flag T"] = cpu.FlagT
*/
["Flag Z"] = cpu.FlagZ,
["Flag V"] = cpu.FlagV,
["Flag C"] = cpu.FlagC
};
}
@ -36,22 +38,49 @@ namespace BizHawk.Emulation.Cores.Consoles.Vectrex
default:
throw new InvalidOperationException();
case "A":
//cpu.A = (byte)value;
cpu.Regs[MC6809.A] = (byte)value;
break;
case "B":
cpu.Regs[MC6809.B] = (byte)value;
break;
case "X":
//cpu.X = (byte)value;
cpu.Regs[MC6809.X] = (byte)value;
break;
case "Y":
//cpu.Y = (byte)value;
cpu.Regs[MC6809.Y] = (ushort)value;
break;
case "S":
//cpu.S = (byte)value;
case "US":
cpu.Regs[MC6809.US] = (ushort)value;
break;
case "SP":
cpu.Regs[MC6809.SP] = (ushort)value;
break;
case "PC":
//cpu.PC = (ushort)value;
cpu.Regs[MC6809.PC] = (ushort)value;
break;
case "Flag E":
cpu.FlagE = value > 0;
break;
case "Flag F":
cpu.FlagF = value > 0;
break;
case "Flag H":
cpu.FlagH = value > 0;
break;
case "Flag I":
//cpu.FlagI = value > 0;
cpu.FlagI = value > 0;
break;
case "Flag N":
cpu.FlagN = value > 0;
break;
case "Flag Z":
cpu.FlagZ = value > 0;
break;
case "Flag V":
cpu.FlagV = value > 0;
break;
case "Flag C":
cpu.FlagC = value > 0;
break;
}
}