/*
* mem[4] = (Int32)(eastUnit.x * accuracy);
* mem[5] = (Int32)(eastUnit.y * accuracy);
* mem[6] = (Int32)(eastUnit.z * accuracy);
* mem[7] = (Int32)(upUnit.x * accuracy);
* mem[8] = (Int32)(upUnit.y * accuracy);
* mem[9] = (Int32)(upUnit.z * accuracy);
* mem[10] = (Int32)(northUnit.x * accuracy);
* mem[11] = (Int32)(northUnit.y * accuracy);
* mem[12] = (Int32)(northUnit.z * accuracy);
* mem[13] = (Int32)(shipEastVector.x * accuracy);
* mem[14] = (Int32)(shipEastVector.y * accuracy);
* mem[15] = (Int32)(shipEastVector.z * accuracy);
* mem[16] = (Int32)(shipUpVector.x * accuracy);
* mem[17] = (Int32)(shipUpVector.y * accuracy);
* mem[18] = (Int32)(shipUpVector.z * accuracy);
* mem[19] = (Int32)(shipNorthVector.x * accuracy);
* mem[20] = (Int32)(shipNorthVector.y * accuracy);
* mem[21] = (Int32)(shipNorthVector.z * accuracy);
* mem[22] = (Int32)(orbitalSpeed.x * speedAccuracy);
* mem[23] = (Int32)(orbitalSpeed.y * speedAccuracy);
* mem[24] = (Int32)(orbitalSpeed.z * speedAccuracy);
* mem[25] = (Int32)(groundSpeed.x * speedAccuracy);
* mem[26] = (Int32)(groundSpeed.y * speedAccuracy);
* mem[27] = (Int32)(groundSpeed.z * speedAccuracy);
* mem[28] = (Int32)(angularVelocity.x * speedAccuracy);
* mem[29] = (Int32)(angularVelocity.y * speedAccuracy);
* mem[30] = (Int32)(angularVelocity.z * speedAccuracy);
* mem[31] = (Int32)(UInt32)(altitude);
* //mem[32] = output 1
* //mem[33] = output 2
* //mem[34] = output 3
* //mem[35] = output 4
* //mem[36] = output msg
* //mem[37] = numpad input
* //mem[38] = boolean used to see if the input has changed
* //mem[39] = output formatting switch
* //mem[40] = timer
* //mem[41] = vectorAccuracy
* //mem[42] = screen mode
* //mem[43] = speed accuracy
* //mem[44] = interrupt enable
* //mem[45] = clock
* //mem[46] = interrupt handler adress (64 default)
* //mem[47] = timer interrupt frequency
* //mem[48] = player throttle
* //mem[49] = player yaw
* //mem[50] = player pitch
* //mem[51] = player roll
* //mem[52] = player trn up
* //mem[53] = player trn east
* //mem[54] = player trn forward
* //mem[55] = toggle Actiongroups
*/
//runs through the instructions untill the necessary ammount of ticks has passed, or all programs have completed operation
//returns the excess ticks
private int cycle(int cycles)
{
int ticksElapsed = 0;
while (ticksElapsed < cycles)
{
//debugging tools
if (debug)
{
int opcode = (CPU.getMem(CPU.PC) >> 26) & 0x3f;//decompile instruction
int rA = (CPU.getMem(CPU.PC) >> 21) & 0x1f;
int rB = (CPU.getMem(CPU.PC) >> 16) & 0x1f;
int im = CPU.getMem(CPU.PC) & 0xffff;
print("PC: " + CPU.PC + " opcode: " + opcode.ToString("X2") + " r" + rA + ": " + CPU.Registers[rA] + " r" + rB + ": " + CPU.Registers[rB] + " im: " + im + " rC: " + CPU.Registers[im & 0x1f] + " ra: " + CPU.Registers[15] + " sp: " + CPU.Registers[14] + ", " + CPU.getMem((UInt16)(CPU.Registers[14] - 1)));
}
int cyclesElapsed = CPU.tick();
ticksElapsed += cyclesElapsed;
}
return(ticksElapsed);
}
