TMF Hg
fixed timing on OSes that set a minimum time for sleeps (previously the main loop code assumed no minimum sleep time; the new version uses longer sleeps less frequently) default tip
andrew Sat, 19 Apr 2014 02:19:39 -0600
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added RTC emulation (attempts to set the date are ignored, and the year is currently hardcoded to 1987 because UNIX PC SysV has a few Y2K bugs)
andrew Fri, 18 Apr 2014 01:34:20 -0600
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treat all DMA reads/writes as kernel mode (previously it would depend on whether the processor happens to be in user mode or kernel mode when the DMA completes, which is totally incorrect); handle 32-bit accesses that straddle page boundaries properly (all 32-bit accesses are now split into two 16-bit accesses); allow reads to the entire zero page, rather than just address 0
andrew Fri, 18 Apr 2014 01:26:01 -0600
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disabled seek delay on WD2010 (Unix seems to work fine without it)
andrew Thu, 17 Apr 2014 01:58:05 -0600
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ignore out-of-range addresses on low-level format commands (s4diag formats once sector past the end of each track)
andrew Thu, 17 Apr 2014 01:50:41 -0600
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fixed bus error handling for real this time (save registers before every instruction and push the saved registers if a bus error occurs, since the instruction may have changed registers before the bus error, and also stop the instruction immediately with longjmp so it won't change memory after the bus error)
andrew Wed, 16 Apr 2014 02:20:43 -0600
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added keyboard mappings for ENTER, CANCL, and EXIT
andrew Wed, 16 Apr 2014 02:07:24 -0600
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Code clean up experimental_memory_mapper_v2
Philip Pemberton Tue, 21 May 2013 22:48:32 +0100
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Don't set PS1 if there is a level-7 interrupt or bus error experimental_memory_mapper_v2
Philip Pemberton Fri, 12 Apr 2013 16:26:25 +0100
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Flush stderr after printing debug messages experimental_memory_mapper_v2
Philip Pemberton Fri, 12 Apr 2013 12:37:34 +0100
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Make the page table volatile (it may change behind gcc's back) experimental_memory_mapper_v2
Philip Pemberton Fri, 12 Apr 2013 12:37:13 +0100
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Make mapper debug logic more verbose (but disable by default) experimental_memory_mapper_v2
Philip Pemberton Fri, 12 Apr 2013 12:36:28 +0100
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Fix read-after-write logic experimental_memory_mapper_v2
Philip Pemberton Fri, 12 Apr 2013 12:34:32 +0100
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Fix potential unassigned variable
Philip Pemberton Thu, 11 Apr 2013 09:37:25 +0100
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Check return value of fread()
Philip Pemberton Thu, 11 Apr 2013 09:37:11 +0100
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Enable code optimisation to improve quality of GCC warnings
Philip Pemberton Thu, 11 Apr 2013 09:36:53 +0100
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Code cleanup
Philip Pemberton Thu, 11 Apr 2013 09:18:31 +0100
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merge changes from default experimental_memory_mapper_v2
Philip Pemberton Wed, 13 Mar 2013 01:10:34 +0000
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[wd2010,main] WD2010 disc geometry fixes
Philip Pemberton Wed, 13 Mar 2013 00:43:25 +0000
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use MAP_ADDR_TO_PAGE for memory mapping experimental_memory_mapper_v2
Philip Pemberton Wed, 13 Mar 2013 00:40:42 +0000
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merge in changes from default branch experimental_memory_mapper_v2
Philip Pemberton Fri, 18 Jan 2013 22:52:43 +0000
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add TODO
Philip Pemberton Fri, 18 Jan 2013 18:51:50 +0000
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[wd2010] disable DMA pagefault workaround (no longer required)
Philip Pemberton Fri, 18 Jan 2013 17:20:07 +0000
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[memory] Emulate main memory read wrap-around
Philip Pemberton Fri, 18 Jan 2013 17:18:50 +0000
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experimental memory mapper, not quite working experimental_memory_mapper_v2
Philip Pemberton Fri, 18 Jan 2013 17:03:48 +0000
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fix default HDD sectors-per-track
Philip Pemberton Wed, 16 Jan 2013 00:41:51 +0000
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[wd2010] allow seek delay to be overridden at compile time
Philip Pemberton Wed, 16 Jan 2013 00:40:18 +0000
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[wd2010] properly constrain R/W ops based on end sector
Philip Pemberton Wed, 16 Jan 2013 00:38:13 +0000
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[wd2010] display 'number of sectors' for sector R/W ops, display WrLBA in bytes not sectors
Philip Pemberton Wed, 16 Jan 2013 00:36:51 +0000
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[wd2010] fix confusing expressions used for multisector mode
Philip Pemberton Wed, 16 Jan 2013 00:35:10 +0000
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