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simh.simh/AltairZ80
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Howard M. Harte 0eb14db0a7 AltairZ80: wd179x: Improve accuracy of the simulation. 
* Properly handle the case when a disk is not attached.
    * Add register access for debugging.
    * Assert DRQ as well as IRQ for software that checks DRQ.
    * Add API to get the number of heads for the currently-selected
      disk.
    * Follow SIMH conventions for debug logging.
    * Add ability to debug IMD from the wd179x debug settings.

Tests:
    * Format and disk access on Cromemco CP/M 2.2, CDOS, 86-DOS,
      MS-DOS 1.25, OASIS 5.6.
2020-12-13 15:41:08 -08:00
..
altairz80_cpu_nommu.c
AltairZ80: Removed obsolete platform dependency
2020-06-07 11:49:18 +02:00
altairz80_cpu.c
AltairZ80: Add Z80 Interrupt Mode register (IM.)
2020-12-12 20:43:21 -08:00
altairz80_defs.h
AltairZ80: Removed obsolete platform dependency
2020-06-07 11:49:18 +02:00
altairz80_dsk.c
AltairZ80: New iCOM device, PTP port command, code cleanup
2020-11-28 14:02:01 +01:00
altairz80_hdsk.c
AltairZ80: New iCOM device, PTP port command, code cleanup
2020-11-28 14:02:01 +01:00
altairz80_mhdsk.c
AltairZ80: Improved resource mapping diagnostics.
2020-05-27 10:30:47 +02:00
altairz80_net.c
AltairZ80: Removed obsolete platform dependency
2020-06-07 11:49:18 +02:00
altairz80_sio.c
AltairZ80: New iCOM device, PTP port command, code cleanup
2020-11-28 14:02:01 +01:00
altairz80_sys.c
AltairZ80: New iCOM device, PTP port command, code cleanup
2020-11-28 14:02:01 +01:00
disasm.c
AltairZ80: Clean up of source code formatting
2018-06-17 08:37:08 +02:00
flashwriter2.c
AltairZ80: Improved resource mapping diagnostics.
2020-05-27 10:30:47 +02:00
i86_decode.c
AltairZ80: Minor code clean up to avoid compiler warning
2020-09-08 08:55:25 +02:00
i86_ops.c
AltairZ80: Removed obsolete platform dependency
2020-06-07 11:49:18 +02:00
i86_prim_ops.c
AltairZ80: Mark Coverity false positives in rotate operations
2017-04-01 08:48:43 +02:00
i86.h
ALL: Massive 'const' cleanup
2016-05-15 15:25:33 -07:00
i8272.c
AltairZ80: Removed obsolete platform dependency
2020-06-07 11:49:18 +02:00
i8272.h
ALL: Massive 'const' cleanup
2016-05-15 15:25:33 -07:00
insns.h
Notes For V3.8
2011-04-15 08:35:54 -07:00
insnsd.c
Notes For V3.8
2011-04-15 08:35:54 -07:00
m68k.h
ALL: Massive 'const' cleanup
2016-05-15 15:25:33 -07:00
m68kasm.c
AltairZ80: Removed tabs from sources
2020-06-07 13:37:45 +02:00
m68kasm.y.txt
AltairZ80: Update m68kasm.y.txt
2020-05-23 19:06:21 +02:00
m68kconf.h
AltairZ80: Added Motorola 68000 CPU support for CP/M-68K, support for Altair mini-disk format, added descriptions for all device registers
2014-05-27 20:01:30 +02:00
m68kcpu.c
AltairZ80: More fixes from source code scan (Coverity Scan)
2017-03-12 18:21:07 +01:00
m68kcpu.h
AltairZ80: Added Motorola 68000 CPU support for CP/M-68K, support for Altair mini-disk format, added descriptions for all device registers
2014-05-27 20:01:30 +02:00
m68kdasm.c
AltairZ80: Fix potential buffer overrun compiler warnings
2019-07-16 05:08:37 -07:00
m68kopac.c
ALPHA, ALTAIR, AltairZ80, I7094, NOVA, PDP1, PDP10, PDP11, PDP18B, PDP8, SAGE, sigma, swtp6800, TX-0, VAX: Change tabs to spaces which had crept in over time
2015-03-30 10:24:24 -07:00
m68kopdm.c
ALPHA, ALTAIR, AltairZ80, I7094, NOVA, PDP1, PDP10, PDP11, PDP18B, PDP8, SAGE, sigma, swtp6800, TX-0, VAX: Change tabs to spaces which had crept in over time
2015-03-30 10:24:24 -07:00
m68kopnz.c
ALPHA, ALTAIR, AltairZ80, I7094, NOVA, PDP1, PDP10, PDP11, PDP18B, PDP8, SAGE, sigma, swtp6800, TX-0, VAX: Change tabs to spaces which had crept in over time
2015-03-30 10:24:24 -07:00
m68kops.c
AltairZ80: Fix various static source scanning detected issues (Coverity Scan)
2017-03-12 12:06:05 +01:00
m68kops.h
AltairZ80: Added Motorola 68000 CPU support for CP/M-68K, support for Altair mini-disk format, added descriptions for all device registers
2014-05-27 20:01:30 +02:00
m68ksim.c
AltairZ80, BESM6, I7094: Adopt internal SCP internal time base
2020-10-29 13:28:41 -07:00
m68ksim.h
AltairZ80: Clean up of source code formatting
2018-06-17 08:37:08 +02:00
mfdc.c
AltairZ80: Removed obsolete platform dependency
2020-06-07 11:49:18 +02:00
mfdc.h
Notes For V3.8
2011-04-15 08:35:43 -07:00
n8vem.c
AltairZ80: Removed obsolete platform dependency
2020-06-07 11:49:18 +02:00
nasm.h
AltairZ80: Fix uninitialized variable (Coverity Scan)
2017-03-13 21:59:37 +01:00
s100_2sio.c
AltairZ80: New iCOM device, PTP port command, code cleanup
2020-11-28 14:02:01 +01:00
s100_64fdc.c
AltairZ80: Removed obsolete platform dependency
2020-06-07 11:49:18 +02:00
s100_adcs6.c
AltairZ80: Removed obsolete platform dependency
2020-06-07 11:49:18 +02:00
s100_disk1a.c
AltairZ80: Removed obsolete platform dependency
2020-06-07 11:49:18 +02:00
s100_disk2.c
AltairZ80: Removed obsolete platform dependency
2020-06-07 11:49:18 +02:00
s100_disk3.c
AltairZ80: Improved resource mapping diagnostics.
2020-05-27 10:30:47 +02:00
s100_fif.c
AltairZ80: Removed obsolete platform dependency
2020-06-07 11:49:18 +02:00
s100_hayes.c
AltairZ80: New iCOM device, PTP port command, code cleanup
2020-11-28 14:02:01 +01:00
s100_hdc1001.c
AltairZ80: Improved resource mapping diagnostics.
2020-05-27 10:30:47 +02:00
s100_icom.c
AltairZ80: New iCOM device, PTP port command, code cleanup
2020-11-28 14:02:01 +01:00
s100_if3.c
AltairZ80: Additional updates for SCP internal time base
2020-10-30 09:52:56 +01:00
s100_jadedd.c
AltairZ80: Removed obsolete platform dependency
2020-06-07 11:49:18 +02:00
s100_mdriveh.c
AltairZ80: Removed obsolete platform dependency
2020-06-07 11:49:18 +02:00
s100_mdsa.c
AltairZ80: Removed obsolete platform dependency
2020-06-07 11:49:18 +02:00
s100_mdsad.c
AltairZ80: Removed obsolete platform dependency
2020-06-07 11:49:18 +02:00
s100_pmmi.c
AltairZ80: New iCOM device, PTP port command, code cleanup
2020-11-28 14:02:01 +01:00
s100_scp300f.c
AltairZ80: Removed obsolete platform dependency
2020-06-07 11:49:18 +02:00
s100_selchan.c
AltairZ80: Removed obsolete platform dependency
2020-06-07 11:49:18 +02:00
s100_ss1.c
AltairZ80: Additional updates for SCP internal time base
2020-10-30 09:52:56 +01:00
s100_tarbell.c
AltairZ80: New iCOM device, PTP port command, code cleanup
2020-11-28 14:02:01 +01:00
vfdhd.c
AltairZ80: Removed obsolete platform dependency
2020-06-07 11:49:18 +02:00
vfdhd.h
Notes For V3.8
2011-04-15 08:35:43 -07:00
wd179x.c
AltairZ80: wd179x: Improve accuracy of the simulation.
2020-12-13 15:41:08 -08:00
wd179x.h
AltairZ80: wd179x: Improve accuracy of the simulation.
2020-12-13 15:41:08 -08:00