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https://opencores.org/ocsvn/a-z80/a-z80/trunk
[/] [a-z80/] [trunk/] [tools/] [dongle/] [z80-instruction-run-ed.py] - Blame information for rev 4
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gdevic |
#!/usr/bin/env python
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#
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# This script is used to dump Z80 instruction timing data by running the
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# instructions through the Arduino Z80 dongle and parsing the dump output.
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# It needs:
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# 1. Arduino Z80 dongle: http://www.baltazarstudios.com
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# 2. Instructions data file: '../../resources/opcodes-??.txt'
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# Needs pyserial from https://pypi.python.org/pypi/pyserial
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#
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import serial
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import sys
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ser = serial.Serial("\\.\COM9", 115200, timeout=1)
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# Flush the serial buffer, removes any command response
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def serialFlush(ser):
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while 1:
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indata = ser.readline().rstrip('\n')
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if not indata:
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break
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try:
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# Open opcode file and read opcode + mnemonics
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with open('../../resources/opcodes-ed.txt') as tmpFile:
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ops = [line.rstrip('\n') for line in tmpFile]
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serialFlush(ser)
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# Stop after the second M1 cycle effectively running only one instruction
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ser.write("s 4 3\r")
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serialFlush(ser)
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print ('<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01//EN">')
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print ('<HTML><HEAD><TITLE>Z80 Instructions Timing</TITLE></HEAD><BODY>')
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print ('<H1>Opcodes with ED prefix</H1>')
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for line in ops:
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print (line[0:2] + ' ' + line[2:4] + ' .. <A href=\"#' + line[2:4] + '\">' + line[12:] + '</A><BR>')
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print ('<H1>Instructions Timing</H1>')
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for line in ops:
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ram = ':10000000' + line[0:4] + '0102030405060708090A0B0C0D00'
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ser.write(ram + '\r')
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indata = ser.readline().rstrip('\n')
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ser.write('r\r')
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print ('<H3 id=\"' + line[2:4] + '\">Opcode: ' + line[0:2] + " " + line[2:8] + ' => ' + line[12:] + '</H3>')
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sys.stderr.write (line + '\n')
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# Skip initial response from Arduino, includes two empty cycles after the reset
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for x in range(1,7):
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indata = ser.readline()
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print ('<PRE>')
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while 1:
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indata = ser.readline()
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if not indata:
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break
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if indata[0]!=':':
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print (indata.rstrip('\r\n'))
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print ('</PRE>')
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print ('</BODY></HTML>')
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except KeyboardInterrupt:
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ser.close()
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