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43 commits

Author SHA1 Message Date
Patrick Linstruth
e444c674f6 AltairZ80: Enable interrupt event after BOOT 2024-03-13 10:31:05 -04:00
Patrick Linstruth
90e4597aa9 AltairZ80: M2SIO, CPU, SIO and PMMI additions and fixes 
Adds 6850 DCD status latch to M2SIO devices.
Adds vector interrupt support to M2SIO devices.

Removes CTS inactive transmit disable from PMMI device.

Adds IMSAI-style programmed output to CPU/SIO devices.

SET CPU PO will display "PO: AREG" upon an "OUT 0FFH"
instruction.

SET CPU NOPO will disable the function (default).

Corrects problem with Mode 0 interrupts.

When the CPU receives an interrupt, it pushes the current
program counter on the stack. The current implementation
of Mode 0 was performing interrupt processing after fetching
the next opcode from RAM, which also increases the PC by 1.
This caused PC+1 to be pushed on the stack. The interrupt
processing is now done prior to fetching the next opcode,
preserving the correct program counter.
 2023-10-09 20:14:51 -04:00
Peter Schorn
4c1aee0887 AltairZ80: Correct spelling, formatting and years 2023-06-30 14:31:06 +02:00
Peter Schorn
b0a496446f AltairZ80: Code cleanup and simplifications 2023-05-23 21:44:47 +02:00
Peter Schorn
1aa76cca6e AltairZ80: Additional checks for stop_cpu condition 2023-04-26 10:19:23 -04:00
Peter Schorn
8b1b5eaeb7 AltairZ80: Add void when missing in function declaration 2023-04-05 16:28:15 +02:00
Peter Schorn
cc23adf6fd AltairZ80: Remove MetroWerks support for Macintosh OS 9 2023-04-05 16:15:41 +02:00
Howard M. Harte
7286b4a724 AltairZ80: Fix warnings in altairz80_sio.c. 2023-04-01 07:01:15 -07:00
Mark Pizzolato
decbe5b76b Various simulators: Set line endings to CRLF for consistency, remove stray tabs 
Project standard source code has tabs converted to spaces and CRLF line
endings.

Other text files have CRLF line endings.
 2023-03-19 16:51:27 -04:00
Howard M. Harte
74197bfb77 AltairZ80: SIO: Allow keyboard interrupts from configurable SIO port. 2022-12-05 12:16:00 -05:00
Howard M. Harte
7cca92ce28 AltairZ80: SIO: Support 32-bits for setFCBAddressCmd. 
The M68K requires more than 16-bits for the FCB address.  Expand to
32-bits.
 2022-11-27 14:38:05 -05:00
Howard M. Harte
3719b46524 AltairZ80: SIO: Fix warning for type mismatch. 
Fix warning introduced in PR#108
 2022-11-10 10:45:46 -05:00
Howard M. Harte
71913f26eb AltairZ80: SIO: Add setFCBAddressCmd to simh_dev. 
* Allows setting the FCB address used to send filenames between the host
  and guest operating systems.
* Increment the SIMH device version to SIMH005.
 2022-11-07 09:22:14 -05:00
Peter Schorn
3a7ec4788f AltairZ80: M68K: Fix hang with 'expect' 2022-10-08 00:25:25 -07:00
Peter Schorn
ab6c2c043e AltairZ80: Improved vector interrupt implementation 2021-12-04 20:42:03 +01:00
Peter Schorn
9f064db561 AltairZ80: Updated Morrow Disk Jockey disk controller and minor code cleanup 2021-01-18 20:43:56 +01:00
Peter Schorn
5211c1134a AltairZ80: New iCOM device, PTP port command, code cleanup 2020-11-28 14:02:01 +01:00
Peter Schorn
199adf7641 AltairZ80: Additional updates for SCP internal time base 2020-10-30 09:52:56 +01:00
Mark Pizzolato
263e0e7ed5 AltairZ80, BESM6, I7094: Adopt internal SCP internal time base 2020-10-29 13:28:41 -07:00
Peter Schorn
d3426c3d6d AltairZ80: Removed obsolete platform dependency 2020-06-07 11:49:18 +02:00
Peter Schorn
f8a1e56637 AltairZ80: Improved resource mapping diagnostics. 2020-05-27 10:30:47 +02:00
Peter Schorn
504aad14cf AltairZ80: Update clock register definitions 2020-03-03 02:31:51 -08:00
Peter Schorn
17356d9093 AltairZ80: Replace WIN32 dependencies with SIMH API calls and remove redundant includes 2019-12-10 08:42:22 +01:00
Peter Schorn
1b7d77e03b AltairZ80: Replaced assert() with ASSURE() for error checking at run time 2018-08-11 09:48:55 +02:00
Peter Schorn
b3136d2d6d AltairZ80: Replaced platform specific directory scanning with SCP API (update 2) 2018-05-19 15:53:42 +02:00
Mark Pizzolato
760e7f2810 SCP: stop_cpu and sim_is_running variables t_bool 2018-02-02 05:02:27 -08:00
Peter Schorn
bd575651ca AltairZ80: More fixes from source code scan (Coverity Scan) 2017-03-12 18:21:07 +01:00
Mark Pizzolato
5531ccb175 ALL: Massive 'const' cleanup 
These changes facilitate more robust parameter type checking and helps
to identify unexpected coding errors.

Most simulators can now also be compiled with a C++ compiler without
warnings.

Additionally, these changes have also been configured to facilitate easier
backporting of simulator and device simulation modules to run under the
simh v3.9+ SCP framework.
 2016-05-15 15:25:33 -07:00
Peter Schorn
60a8a2d43d AltairZ80: Fixed device descriptions for all devices. 2016-05-15 14:44:09 -07:00
Peter Schorn
ad3767a2bd AltairZ80: Fixed keyboard polling on non UNIX platform and daylight savings time issue with CP/M 3 clock 2015-04-25 08:31:05 +02:00
Peter Schorn
ebf53c9cda Replaced printf with sim_printf. 2014-10-24 23:10:54 +02:00
Peter Schorn
899b7a654e Improved DSK handling from Mike Douglas and bug fix in URLContens. 2014-09-09 18:27:25 +02:00
Peter Schorn
589aca19f4 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
Peter Schorn
1d35a4f612 Updated year in copyright and implemented sim_vm_pc_value 2014-03-29 08:19:22 +01:00
Mark Pizzolato
8cb6a2ef79 Corrected to properly leverage the new -N attach_unit switch 2013-04-15 06:55:57 -07:00
Mark Pizzolato
ee3d98a125 Updated AltairZ80 from Peter Schorn 2013-04-13 16:47:59 -07:00
Mark Pizzolato
a262dd9c14 Compiler indicated cleanups 2013-03-19 01:11:22 -07:00
Mark Pizzolato
28f645aeab Compiler suggested cleanups 2013-03-13 22:28:14 -07:00
Mark Pizzolato
dac73b9381 Migrating scp and library global variables to be declared as extern in the appropriate library include file and remove repetitive declarations in referencing modules. 2013-01-10 13:29:15 -08:00
Mark Pizzolato
7b6f7a9871 Set device flags indicating DEV_DISK, DEV_TAPE, DEV_MUX and DEV_ETHER for all simulator devices which use the sim_disk, sim_tape, sim_tmxr, and sim_ether libraries 2013-01-07 12:47:24 -08:00
Mark Pizzolato
cf280ad8f7 Completing merge of v3.9-0-rc1 compile cleanups 2012-03-20 18:55:45 -07:00
Mark Pizzolato
fffad7c20e Merge changes from v3.9-0 rc1 2012-03-19 16:05:24 -07:00
Mark Pizzolato
d8f55a652b Cleaned up filename cases to be consistent for cross platform builds 2011-04-19 16:02:45 -07:00
Renamed from AltairZ80/altairZ80_sio.c (Browse further)