Viewing Issue Advanced Details
ID Category [?] Severity [?] Reproducibility Date Submitted Last Update
08416 Misc. Minor Always 18 days ago 14 days ago
Tester star2root View Status Public Platform
Assigned To Resolution Open OS
Status [?] Acknowledged Driver
Version 0.247 Fixed in Version Build
Fixed in Git Commit Github Pull Request #
Summary 08416: coco1, coco2, coco2b, coco3: The CoCo does not have a builtin real time clock by default, there should be an option to turn it off.
Description In addition to the options for a Cloud-9 or Disto RTC, there should be a selection for none.
Steps To Reproduce Emulate a coco1, coco3, or coco3, there is no option to select no RTC installed.
Additional Information Proposed patch:
--- src/mame/trs/coco12.cpp.orig 2022-09-08 10:13:47.000000000 -0400
+++ src/mame/trs/coco12.cpp 2022-09-12 12:57:54.000000000 -0400
@@ -187,4 +187,5 @@
  PORT_CONFSETTING( 0x00, "Disto" )
  PORT_CONFSETTING( 0x01, "Cloud-9" )
Github Commit
Flags Verified with Original, Verified with Code
Regression Version
Affected Sets / Systems coco1, coco2, coco2b, coco3
Attached Files
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User avatar
15 days ago
Seems reasonable. It shouldn't be a default configuration in any machine that is isn't expected at its base.
User avatar
14 days ago
The RTC's are implemented on the various floppy and IDE boards. In MAME we have the RTC option in coco12.cpp but it's only used in coco_fdc.cpp. The RTC option should be completely removed and appropriate RTC implemented on each applicable board.