Subversion Repositories a-z80

#!/usr/bin/env python

#

# This script runs Z80 command 'neg' for all 256 values and prints out

# memory access log data. This data is used to feed the simulation

# script and verify its algorithm correctness.

# It needs:

#   1. Arduino Z80 dongle: http://www.baltazarstudios.com

# Needs pyserial from https://pypi.python.org/pypi/pyserial

#

import serial

import sys

ser = serial.Serial("\\.\COM9", 115200, timeout=1)

# Flush the serial buffer, removes any command response

def serialFlush(ser):

    while 1:

        indata = ser.readline().rstrip('\n')

        if not indata:

            break

try:

    serialFlush(ser)

    # Stop after selected M1 cycle effectively running only that one sequence

    ser.write("s 4 5\r")

    serialFlush(ser)

    # Loop for all 256 arguments

    for x in range(0, 256):

    #   3E00            ld      a, 00h

    #   ED44            neg

    #   F5              push    af

        ram = ':10000000' + '3E' + ("%0.2X" % x) + 'ED44F50405060708090A0B0C0D00'

        ser.write(ram + '\r')

        indata = ser.readline().rstrip('\n')

        ser.write('r\r')

        sys.stderr.write (ram + '\n')

        # Skip initial response from Arduino, includes two empty cycles after the reset

        for x in range(1,7):

            indata = ser.readline()

        while 1:

            indata = ser.readline()

            if not indata:

                break

            if indata[0]!=':':

                if "Memory" in indata:

                    print (indata.rstrip('\r\n'))

except KeyboardInterrupt:

     ser.close()