public void Test_POST_2()
{
// writes into each register
i8086CPU cpu = GetCPU(new byte[] {
0xb8, 0xff, 0xff, // mov ax,0xffff
0xf9, // stc
/* C8 */ 0x8e, 0xd8, // mov ds, ax
0x8c, 0xdb, // mov bx, ds
0x8e, 0xc3, // mov es, bx
0x8c, 0xc1,
0x8e, 0xd1,
0x8c, 0xd2,
0x8b, 0xe2,
0x8b, 0xec,
0x8b, 0xf5,
0x8b, 0xfe,
0x73, 0x07, // jnc c9
0x33, 0xc7,
0x75, 0x07, // jnz err
0xf8, // clc
0xeb, 0xe3, // jmp c8
/* C9 */ 0x0b, 0xc7,
0xf4 //hlt
});
cpu.Run();
Assert.AreEqual(true, cpu.EU.CondReg.ZeroFlag, "POST 2: zero flag failed");
}
static void DisplayMenu()
{
Console.WriteLine("[Enter]:step [R]:run [B]:run to break [Q]:quit");
int input;
char ch = '0';
input = Console.Read();
ch = Convert.ToChar(input);
if (input == 13)
{
cpu.EU.Tick();
input = Console.Read(); // throw away lf char
}
else if (ch == 'r' || ch == 'R')
{
sw.Restart();
count = cpu.Run();
sw.Stop();
}
else if (ch == 'b' || ch == 'B')
{
// flush CRLF
input = Console.Read();
input = Console.Read();
// loop until we hit our breakpoint
do
{
cpu.EU.Tick();
} while (cpu.Bus.IP != 0xE1D4);
}
if (ch == 'Q' || ch == 'q')
{
exit = true;
}
}