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comparison analyze_olp.py @ 1677:b1ad6339de4f

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Old changes to OLP analyzer script for analyzing Z80 memory requests
author Michael Pavone <pavone@retrodev.com>
date Fri, 04 Jan 2019 19:13:47 -0800
parents 6854ab93d182
children
comparison
equal deleted inserted replaced
1676:9c90c79953cc 1677:b1ad6339de4f
146 elif state == 'cas': 146 elif state == 'cas':
147 if detect_fall(last, sample, ras): 147 if detect_fall(last, sample, ras):
148 print 'refresh @ {0}'.format(num) 148 print 'refresh @ {0}'.format(num)
149 state = 'begin' 149 state = 'begin'
150 last = sample 150 last = sample
151
152 def analyze_z80_mreq(chanmap, datafile):
153 m1 = chanmap['!M1']
154 mreq = chanmap['!MREQ']
155 addressMask = 0x3FF
156 last = None
157 lastWasM1 = False
158 for line in datafile.readlines():
159 line = line.strip()
160 if line and not line.startswith(';'):
161 sample,_,num = line.partition('@')
162 sample = int(sample, 16)
163 if not (last is None):
164 if detect_rise(last, sample, mreq):
165 address = last & addressMask
166 if detect_low(last, m1):
167 print 'M1 read {0:02X} @ {1}'.format(address, num)
168 lastWasM1 = True
169 elif lastWasM1:
170 print 'Refresh {0:02X} @ {1}'.format(address, num)
171 lastWasM1 = False
172 else:
173 print 'Access {0:02X} @ {1}'.format(address, num)
174 last = sample
151 175
152 def main(args): 176 def main(args):
153 if len(args) < 2: 177 if len(args) < 2:
154 print 'Usage: analyze_olp.py filename' 178 print 'Usage: analyze_olp.py filename'
155 exit(1) 179 exit(1)
161 chanmap = {} 185 chanmap = {}
162 for i in xrange(0, len(channels)): 186 for i in xrange(0, len(channels)):
163 chanmap[channels[i]] = i 187 chanmap[channels[i]] = i
164 datafile = olpfile.open('data.ols') 188 datafile = olpfile.open('data.ols')
165 #analyze_delays(chanmap, datafile) 189 #analyze_delays(chanmap, datafile)
166 analyze_vram(chanmap, datafile) 190 #analyze_vram(chanmap, datafile)
191 #analyze_refresh(chanmap, datafile)
192 analyze_z80_mreq(chanmap, datafile)
167 datafile.close() 193 datafile.close()
168 #datafile = olpfile.open('data.ols') 194
169 #analyze_refresh(chanmap, datafile)
170 195
171 if __name__ == '__main__': 196 if __name__ == '__main__':
172 main(argv) 197 main(argv)