Mercurial > repos > blastem

annotate analyze_olp.py @ 995:2bc27415565b

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Fix some stuff with interrupt timing. The change in adjust_int_cycle gets Overdrive working again (vint was not being preferred over hint in some cases). One of the changes seems to have broken Fatal Rewind again, but no other regressions that I can see.
author Michael Pavone <pavone@retrodev.com>
date Sat, 30 Apr 2016 08:37:55 -0700
parents b290343e5664
children 3e24de8d8073
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
455
be9c7b3e25ee Added analysis script used for investigating direct color DMA timing
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1 #!/usr/bin/env python
be9c7b3e25ee Added analysis script used for investigating direct color DMA timing
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
2
be9c7b3e25ee Added analysis script used for investigating direct color DMA timing
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
3 from zipfile import ZipFile
be9c7b3e25ee Added analysis script used for investigating direct color DMA timing
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
4 from sys import exit, argv
be9c7b3e25ee Added analysis script used for investigating direct color DMA timing
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
5
be9c7b3e25ee Added analysis script used for investigating direct color DMA timing
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
6 def detect_rise(last, sample, bit):
be9c7b3e25ee Added analysis script used for investigating direct color DMA timing
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
7 mask = 1 << bit
be9c7b3e25ee Added analysis script used for investigating direct color DMA timing
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
8 return (not last & mask) and (sample & mask)
be9c7b3e25ee Added analysis script used for investigating direct color DMA timing
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
9
be9c7b3e25ee Added analysis script used for investigating direct color DMA timing
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
10 def detect_fall(last, sample, bit):
be9c7b3e25ee Added analysis script used for investigating direct color DMA timing
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
11 mask = 1 << bit
be9c7b3e25ee Added analysis script used for investigating direct color DMA timing
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
12 return (last & mask) and (not sample & mask)
be9c7b3e25ee Added analysis script used for investigating direct color DMA timing
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
13
be9c7b3e25ee Added analysis script used for investigating direct color DMA timing
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
14 def detect_high(sample, bit):
be9c7b3e25ee Added analysis script used for investigating direct color DMA timing
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
15 mask = 1 << bit
be9c7b3e25ee Added analysis script used for investigating direct color DMA timing
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
16 return sample & mask
be9c7b3e25ee Added analysis script used for investigating direct color DMA timing
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
17
be9c7b3e25ee Added analysis script used for investigating direct color DMA timing
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
18 def detect_low(sample, bit):
be9c7b3e25ee Added analysis script used for investigating direct color DMA timing
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
19 mask = 1 << bit
be9c7b3e25ee Added analysis script used for investigating direct color DMA timing
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
20 return not sample & mask
be9c7b3e25ee Added analysis script used for investigating direct color DMA timing
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
21
be9c7b3e25ee Added analysis script used for investigating direct color DMA timing
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
22 def analyze_delays(chanmap, datafile):
926
b290343e5664 Added some stuff for detecting refresh delays in one of my old logic analyzer scripts. Needs cleanup
Michael Pavone <pavone@retrodev.com>
parents: 455
diff changeset
23 if 'M68K_CLK' in chanmap:
b290343e5664 Added some stuff for detecting refresh delays in one of my old logic analyzer scripts. Needs cleanup
Michael Pavone <pavone@retrodev.com>
parents: 455
diff changeset
24 m68k_clk = chanmap['M68K CLK']
b290343e5664 Added some stuff for detecting refresh delays in one of my old logic analyzer scripts. Needs cleanup
Michael Pavone <pavone@retrodev.com>
parents: 455
diff changeset
25 elif 'CLK' in chanmap:
b290343e5664 Added some stuff for detecting refresh delays in one of my old logic analyzer scripts. Needs cleanup
Michael Pavone <pavone@retrodev.com>
parents: 455
diff changeset
26 m68k_clk = chanmap['CLK']
455
be9c7b3e25ee Added analysis script used for investigating direct color DMA timing
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
27 m_as = chanmap['!AS']
926
b290343e5664 Added some stuff for detecting refresh delays in one of my old logic analyzer scripts. Needs cleanup
Michael Pavone <pavone@retrodev.com>
parents: 455
diff changeset
28 ram_oe = chanmap['RAM !LOE/!RFSH']
b290343e5664 Added some stuff for detecting refresh delays in one of my old logic analyzer scripts. Needs cleanup
Michael Pavone <pavone@retrodev.com>
parents: 455
diff changeset
29 ram_ce = chanmap['RAM !CE']
455
be9c7b3e25ee Added analysis script used for investigating direct color DMA timing
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
30 last = False
926
b290343e5664 Added some stuff for detecting refresh delays in one of my old logic analyzer scripts. Needs cleanup
Michael Pavone <pavone@retrodev.com>
parents: 455
diff changeset
31 prev = False
b290343e5664 Added some stuff for detecting refresh delays in one of my old logic analyzer scripts. Needs cleanup
Michael Pavone <pavone@retrodev.com>
parents: 455
diff changeset
32 prevRefresh = False
455
be9c7b3e25ee Added analysis script used for investigating direct color DMA timing
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
33 clks = 0
be9c7b3e25ee Added analysis script used for investigating direct color DMA timing
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
34 as_start = 0
be9c7b3e25ee Added analysis script used for investigating direct color DMA timing
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
35 for line in datafile.readlines():
be9c7b3e25ee Added analysis script used for investigating direct color DMA timing
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
36 line = line.strip()
be9c7b3e25ee Added analysis script used for investigating direct color DMA timing
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
37 if line and not line.startswith(';'):
be9c7b3e25ee Added analysis script used for investigating direct color DMA timing
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
38 sample,_,num = line.partition('@')
be9c7b3e25ee Added analysis script used for investigating direct color DMA timing
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
39 sample = int(sample, 16)
be9c7b3e25ee Added analysis script used for investigating direct color DMA timing
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
40 if not (last is False):
be9c7b3e25ee Added analysis script used for investigating direct color DMA timing
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
41 if detect_rise(last, sample, m68k_clk):
be9c7b3e25ee Added analysis script used for investigating direct color DMA timing
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
42 clks = clks + 1
be9c7b3e25ee Added analysis script used for investigating direct color DMA timing
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
43 if detect_rise(last, sample, m_as):
be9c7b3e25ee Added analysis script used for investigating direct color DMA timing
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
44 as_clks = clks - as_start
be9c7b3e25ee Added analysis script used for investigating direct color DMA timing
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
45 if as_clks > 2:
926
b290343e5664 Added some stuff for detecting refresh delays in one of my old logic analyzer scripts. Needs cleanup
Michael Pavone <pavone@retrodev.com>
parents: 455
diff changeset
46 if not (prev is False):
b290343e5664 Added some stuff for detecting refresh delays in one of my old logic analyzer scripts. Needs cleanup
Michael Pavone <pavone@retrodev.com>
parents: 455
diff changeset
47 print '!AS held for', as_clks, 'cycles starting (delay of ' + str(as_clks - 2) + ') at', as_start, 'and ending at', clks, 'delta since last delay:', as_start - prev
b290343e5664 Added some stuff for detecting refresh delays in one of my old logic analyzer scripts. Needs cleanup
Michael Pavone <pavone@retrodev.com>
parents: 455
diff changeset
48 else:
b290343e5664 Added some stuff for detecting refresh delays in one of my old logic analyzer scripts. Needs cleanup
Michael Pavone <pavone@retrodev.com>
parents: 455
diff changeset
49 print '!AS held for', as_clks, 'cycles starting (delay of ' + str(as_clks - 2) + ') at', as_start, 'and ending at', clks
b290343e5664 Added some stuff for detecting refresh delays in one of my old logic analyzer scripts. Needs cleanup
Michael Pavone <pavone@retrodev.com>
parents: 455
diff changeset
50 prev = as_start
455
be9c7b3e25ee Added analysis script used for investigating direct color DMA timing
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
51 elif detect_fall(last, sample, m_as):
be9c7b3e25ee Added analysis script used for investigating direct color DMA timing
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
52 as_start = clks
926
b290343e5664 Added some stuff for detecting refresh delays in one of my old logic analyzer scripts. Needs cleanup
Michael Pavone <pavone@retrodev.com>
parents: 455
diff changeset
53 if detect_fall(last, sample, ram_oe) and detect_high( sample, ram_ce):
b290343e5664 Added some stuff for detecting refresh delays in one of my old logic analyzer scripts. Needs cleanup
Michael Pavone <pavone@retrodev.com>
parents: 455
diff changeset
54 if prevRefresh is False:
b290343e5664 Added some stuff for detecting refresh delays in one of my old logic analyzer scripts. Needs cleanup
Michael Pavone <pavone@retrodev.com>
parents: 455
diff changeset
55 print 'RAM refresh at ', clks
b290343e5664 Added some stuff for detecting refresh delays in one of my old logic analyzer scripts. Needs cleanup
Michael Pavone <pavone@retrodev.com>
parents: 455
diff changeset
56 else:
b290343e5664 Added some stuff for detecting refresh delays in one of my old logic analyzer scripts. Needs cleanup
Michael Pavone <pavone@retrodev.com>
parents: 455
diff changeset
57 print 'RAM refresh at', clks, 'delta since last:', clks-prevRefresh
b290343e5664 Added some stuff for detecting refresh delays in one of my old logic analyzer scripts. Needs cleanup
Michael Pavone <pavone@retrodev.com>
parents: 455
diff changeset
58 prevRefresh = clks
455
be9c7b3e25ee Added analysis script used for investigating direct color DMA timing
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
59 last = sample
926
b290343e5664 Added some stuff for detecting refresh delays in one of my old logic analyzer scripts. Needs cleanup
Michael Pavone <pavone@retrodev.com>
parents: 455
diff changeset
60
b290343e5664 Added some stuff for detecting refresh delays in one of my old logic analyzer scripts. Needs cleanup
Michael Pavone <pavone@retrodev.com>
parents: 455
diff changeset
61 def analyze_refresh(chanmap, datafile):
b290343e5664 Added some stuff for detecting refresh delays in one of my old logic analyzer scripts. Needs cleanup
Michael Pavone <pavone@retrodev.com>
parents: 455
diff changeset
62 if 'M68K_CLK' in chanmap:
b290343e5664 Added some stuff for detecting refresh delays in one of my old logic analyzer scripts. Needs cleanup
Michael Pavone <pavone@retrodev.com>
parents: 455
diff changeset
63 m68k_clk = chanmap['M68K CLK']
b290343e5664 Added some stuff for detecting refresh delays in one of my old logic analyzer scripts. Needs cleanup
Michael Pavone <pavone@retrodev.com>
parents: 455
diff changeset
64 elif 'CLK' in chanmap:
b290343e5664 Added some stuff for detecting refresh delays in one of my old logic analyzer scripts. Needs cleanup
Michael Pavone <pavone@retrodev.com>
parents: 455
diff changeset
65 m68k_clk = chanmap['CLK']
b290343e5664 Added some stuff for detecting refresh delays in one of my old logic analyzer scripts. Needs cleanup
Michael Pavone <pavone@retrodev.com>
parents: 455
diff changeset
66 ram_oe = chanmap['RAM !LOE/!RFSH']
b290343e5664 Added some stuff for detecting refresh delays in one of my old logic analyzer scripts. Needs cleanup
Michael Pavone <pavone@retrodev.com>
parents: 455
diff changeset
67 ram_ce = chanmap['RAM !CE']
b290343e5664 Added some stuff for detecting refresh delays in one of my old logic analyzer scripts. Needs cleanup
Michael Pavone <pavone@retrodev.com>
parents: 455
diff changeset
68 clks = 0
b290343e5664 Added some stuff for detecting refresh delays in one of my old logic analyzer scripts. Needs cleanup
Michael Pavone <pavone@retrodev.com>
parents: 455
diff changeset
69 last = False
b290343e5664 Added some stuff for detecting refresh delays in one of my old logic analyzer scripts. Needs cleanup
Michael Pavone <pavone@retrodev.com>
parents: 455
diff changeset
70 prevRefresh = False
b290343e5664 Added some stuff for detecting refresh delays in one of my old logic analyzer scripts. Needs cleanup
Michael Pavone <pavone@retrodev.com>
parents: 455
diff changeset
71 for line in datafile.readlines():
b290343e5664 Added some stuff for detecting refresh delays in one of my old logic analyzer scripts. Needs cleanup
Michael Pavone <pavone@retrodev.com>
parents: 455
diff changeset
72 line = line.strip()
b290343e5664 Added some stuff for detecting refresh delays in one of my old logic analyzer scripts. Needs cleanup
Michael Pavone <pavone@retrodev.com>
parents: 455
diff changeset
73 if line and not line.startswith(';'):
b290343e5664 Added some stuff for detecting refresh delays in one of my old logic analyzer scripts. Needs cleanup
Michael Pavone <pavone@retrodev.com>
parents: 455
diff changeset
74 sample,_,num = line.partition('@')
b290343e5664 Added some stuff for detecting refresh delays in one of my old logic analyzer scripts. Needs cleanup
Michael Pavone <pavone@retrodev.com>
parents: 455
diff changeset
75 sample = int(sample, 16)
b290343e5664 Added some stuff for detecting refresh delays in one of my old logic analyzer scripts. Needs cleanup
Michael Pavone <pavone@retrodev.com>
parents: 455
diff changeset
76 if not (last is False):
b290343e5664 Added some stuff for detecting refresh delays in one of my old logic analyzer scripts. Needs cleanup
Michael Pavone <pavone@retrodev.com>
parents: 455
diff changeset
77 if detect_rise(last, sample, m68k_clk):
b290343e5664 Added some stuff for detecting refresh delays in one of my old logic analyzer scripts. Needs cleanup
Michael Pavone <pavone@retrodev.com>
parents: 455
diff changeset
78 clks = clks + 1
b290343e5664 Added some stuff for detecting refresh delays in one of my old logic analyzer scripts. Needs cleanup
Michael Pavone <pavone@retrodev.com>
parents: 455
diff changeset
79 if detect_fall(last, sample, ram_oe) and detect_high( sample, ram_ce):
b290343e5664 Added some stuff for detecting refresh delays in one of my old logic analyzer scripts. Needs cleanup
Michael Pavone <pavone@retrodev.com>
parents: 455
diff changeset
80 if prevRefresh is False:
b290343e5664 Added some stuff for detecting refresh delays in one of my old logic analyzer scripts. Needs cleanup
Michael Pavone <pavone@retrodev.com>
parents: 455
diff changeset
81 print 'RAM refresh at ', clks
b290343e5664 Added some stuff for detecting refresh delays in one of my old logic analyzer scripts. Needs cleanup
Michael Pavone <pavone@retrodev.com>
parents: 455
diff changeset
82 else:
b290343e5664 Added some stuff for detecting refresh delays in one of my old logic analyzer scripts. Needs cleanup
Michael Pavone <pavone@retrodev.com>
parents: 455
diff changeset
83 print 'RAM refresh at', clks, 'delta since last:', clks-prevRefresh
b290343e5664 Added some stuff for detecting refresh delays in one of my old logic analyzer scripts. Needs cleanup
Michael Pavone <pavone@retrodev.com>
parents: 455
diff changeset
84 prevRefresh = clks
b290343e5664 Added some stuff for detecting refresh delays in one of my old logic analyzer scripts. Needs cleanup
Michael Pavone <pavone@retrodev.com>
parents: 455
diff changeset
85 last = sample
b290343e5664 Added some stuff for detecting refresh delays in one of my old logic analyzer scripts. Needs cleanup
Michael Pavone <pavone@retrodev.com>
parents: 455
diff changeset
86
455
be9c7b3e25ee Added analysis script used for investigating direct color DMA timing
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
87
be9c7b3e25ee Added analysis script used for investigating direct color DMA timing
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
88 def main(args):
be9c7b3e25ee Added analysis script used for investigating direct color DMA timing
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
89 if len(args) < 2:
be9c7b3e25ee Added analysis script used for investigating direct color DMA timing
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
90 print 'Usage: analyze_olp.py filename'
be9c7b3e25ee Added analysis script used for investigating direct color DMA timing
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
91 exit(1)
be9c7b3e25ee Added analysis script used for investigating direct color DMA timing
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
92 olpfile = ZipFile(args[1], "r")
be9c7b3e25ee Added analysis script used for investigating direct color DMA timing
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
93 channelfile = olpfile.open('channel.labels')
be9c7b3e25ee Added analysis script used for investigating direct color DMA timing
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
94 channels = [line.strip() for line in channelfile.readlines()]
be9c7b3e25ee Added analysis script used for investigating direct color DMA timing
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
95 channelfile.close()
926
b290343e5664 Added some stuff for detecting refresh delays in one of my old logic analyzer scripts. Needs cleanup
Michael Pavone <pavone@retrodev.com>
parents: 455
diff changeset
96 print channels
455
be9c7b3e25ee Added analysis script used for investigating direct color DMA timing
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
97 chanmap = {}
be9c7b3e25ee Added analysis script used for investigating direct color DMA timing
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
98 for i in xrange(0, len(channels)):
be9c7b3e25ee Added analysis script used for investigating direct color DMA timing
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
99 chanmap[channels[i]] = i
be9c7b3e25ee Added analysis script used for investigating direct color DMA timing
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
100 datafile = olpfile.open('data.ols')
be9c7b3e25ee Added analysis script used for investigating direct color DMA timing
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
101 analyze_delays(chanmap, datafile)
926
b290343e5664 Added some stuff for detecting refresh delays in one of my old logic analyzer scripts. Needs cleanup
Michael Pavone <pavone@retrodev.com>
parents: 455
diff changeset
102 datafile.close()
b290343e5664 Added some stuff for detecting refresh delays in one of my old logic analyzer scripts. Needs cleanup
Michael Pavone <pavone@retrodev.com>
parents: 455
diff changeset
103 #datafile = olpfile.open('data.ols')
b290343e5664 Added some stuff for detecting refresh delays in one of my old logic analyzer scripts. Needs cleanup
Michael Pavone <pavone@retrodev.com>
parents: 455
diff changeset
104 #analyze_refresh(chanmap, datafile)
455
be9c7b3e25ee Added analysis script used for investigating direct color DMA timing
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
105
be9c7b3e25ee Added analysis script used for investigating direct color DMA timing
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
106 if __name__ == '__main__':
be9c7b3e25ee Added analysis script used for investigating direct color DMA timing
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
107 main(argv)