Z80.cpp

#include "openem.h"
#include "cpu/debug/cpudbg.h"
#include "cpu/Z80/Z80.h"
#include <stdlib.h>
#include <stdio.h>
#include <string.h>

#define FLAG_S      0x80        // Sign flag. copy of MSB
#define FLAG_Z      0x40        // Zero flag.
#define FLAG_Y      0x20        // Copy of bit 5
#define FLAG_H      0x10        // Half-carry flag for BCD
#define FLAG_X      0x08        // Copy of bit 3
#define FLAG_P      0x04        // Parity flag
#define FLAG_N      0x02        // What the last ALU op was (addition or subtraction)
#define FLAG_C      0x01        // Carry flag   

void CPU_Z80::init()                            // 1) Call this on init
{
}

void CPU_Z80::reset()                           // 4) Then call this to start the emulator. It will jump to the location contained at RESETVEC (0xFFFC)
{
    curbank = 0;        // Current register bank being used is 0
    IFF1 = IFF2 = 0;    // Interrupts disabled
    interrupt_mode = 0; // Interrupt mode is 0 (I8080 emulation)
    I = 0;              // Register I = 0
    regs[0][CPU_Z80_AF].val = regs[1][CPU_Z80_AF].val = 0xFFFF;
    SP = 0xFFFF;
    PC = 0;
}

void CPU_Z80::cycle(dword numleft)              // Do cycles!
{
}

void CPU_Z80::save_state(CPU_Z80_STATE *foo)    // Save the state!
{
}

void CPU_Z80::restore_state(CPU_Z80_STATE *foo) // Restore the state!
{
}

void CPU_Z80::setjumptable(int ins, int mode)   // Sets instruction jump table info
{
}

void CPU_Z80::IllegalOpcode()                   // Illegal operation.
{
}


void CPU_Z80::set_debug_mode(uint16 mode)       // Set the debug mode!
{
}

char *CPU_Z80::debug_str(CPU_Z80_DEBUG_STATE *s)// Returns a string containing debug info dump
{
    char *foo = (char *)malloc(4);
    foo[0] = foo[1] = 0;
    return foo;
}

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