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ID Category [?] Severity [?] Reproducibility Date Submitted Last Update
07534 Timing Major Always Jan 2, 2020, 03:18 Jan 8, 2020, 02:29
Tester xolson View Status Public Platform MAME (Official Binary)
Assigned To R. Belmont Resolution Fixed OS Windows Vista/7/8 (64-bit)
Status [?] Resolved Driver
Version 0.217 Fixed in Version 0.218 Build 64-bit
Fixed in Git Commit Github Pull Request #
Summary MESS-specific 07534: apple2ee: Time advancing too quickly using Thunderclock
Description The time is advancing approximately 60 times faster than normal using the Thunderclock ( thclock ) option on the apple2ee.
Steps To Reproduce mame command used:
mame64 apple2ee -sl4 thclock
Here is a BASIC program I wrote to see the problem (it can be typed in):

10 D$=CHR$(4)
12 VTAB 1
15 PRINT D$"PR#4"
20 PRINT D$"IN#4"
30 INPUT "#";MO,DW,DT,HR,MN,SE
40 PRINT D$"PR#0"
50 PRINT D$"IN#0"
60 PRINT "MO=";MO;" DW=";DW;" DT=";DT;" HR=";HR;" MN=";MN;" SE=";SE
70 GOTO 12
Additional Information
Github Commit
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Regression Version
Affected Sets / Systems apple2ee
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Notes
2
User avatar
No.17312
Tafoid
Administrator
Jan 2, 2020, 03:27
confirmed quick count running program provided
User avatar
No.17313
R. Belmont
Developer
Jan 2, 2020, 03:54
Thanks for the report!

The uPD1990A clock was way too fast, fixed in https://github.com/mamedev/mame/commit/0c0198054d5599852aab00692d45f932e35a4f80