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143 commits

Author SHA1 Message Date
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
85858b1287 AltairZ80: Removal of unnecessary variable in s100_pmmi.c 2020-10-09 09:13:09 +02:00
Patrick Linstruth
91bce50a5f AltairZ80: Adds support for the Tarbell 2022 double density controller 
The 'tarbell' device now supports Tarbell model 1011 single density
and model 2022 double density floppy disk controllers. The model is
selected using the "SET TARBELL MODEL={SD|DD}" command. Also removed
some unused local variables.
 2020-10-07 09:15:35 -07:00
Peter Schorn
8aaf4598d0 AltairZ80: Minor code clean up to avoid compiler warning 2020-09-08 08:55:25 +02:00
Mark Pizzolato
ae825c9afb All: Declare sim_stop_messages as an array SCPE_BASE long 
This avoids a potential invalid pointer dereference when formatting
the return value from sim_instr() if it is < SCPE_BASE but greater
than the previously defined static array size.sizeof

Update simh.doc to reflect this generic change.
 2020-09-02 15:56:07 -07:00
Peter Schorn
f64a32d0e8 AltairZ80: Added Hayes modem and minor bug fix 2020-08-16 09:31:19 +02:00
Peter Schorn
c49f4c552b AltairZ80: SS1 bug fix and unused variable removal 2020-07-17 08:34:52 +02:00
Patrick Linstruth
2a18f0cfd9 AltairZ80: fixes incorrect types used for t_stat return values in 88-2SIO device 2020-06-22 15:09:43 -07:00
Patrick Linstruth
f0798ba014 AltairZ80: fixes incorrect types used for t_stat return values in PMMI device 2020-06-22 15:01:46 -07:00
Patrick Linstruth
54a102ca86 AltairZ80: adds "PMMI" MM-103 modem device 
This commit adds a "PMMI" device to the AltairZ80 VM that emulates
the PMMI Communications MM-103 MODEM & Communications Adapter.

This device was added at the request of a Facebook user that is
attempting to preserve and document various relevant communications
programs for CP/M and allow users to experience communicating and
sharing information with other remote computers of the same time
period, all on modern hardware.

This device attempts to emulate the MC6860L digital modem chip in
such a way that communications software written for the PMMI MM-103 can
communicate over a serial port or socket without a phone line or
the ability to MOdulate/DEModulate data over a phone line.
 2020-06-22 09:26:59 -07:00
Patrick Linstruth
482e6b2ff9 AltairZ80: adds MITS 88-2SIO "M2SIO0" and "M2SIO1" devices 
This commit adds two new devices, "M2SIO0" and "M2SIO1", to the AltairZ80
VM. These two independent devices emulate "raw" 88-2SIO ports that can
be used instead of the "SIO" device for attaching socket and serial
ports using TMXR.
 2020-06-22 09:08:34 -07:00
Peter Schorn
f91d56c60f AltairZ80: Fixed breakpoint detection after PC wrap around 2020-06-08 09:25:13 +02:00
Peter Schorn
d92805f258 AltairZ80: Removed tabs from sources 2020-06-07 13:37:45 +02:00
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
6a816001ef AltairZ80: Minor cleanup 2020-05-24 09:36:10 +02:00
Peter Schorn
cb23bca33a AltairZ80: Update m68kasm.y.txt 2020-05-23 19:06:21 +02:00
Peter Schorn
cf1e609275 AltairZ80: Using Bison 3.6.2 to generate m68kasm.c 2020-05-23 19:04:26 +02:00
Patrick Linstruth
5dc8898e0c ALTAIRZ80: Add JADEDD Jade Double D disk controller device 2020-05-23 07:30:43 -07:00
Peter Schorn
02fc4b0e3c AltairZ80: Added symbolic assembler for M68K CPU including bison/yacc source. 2020-05-15 09:45:58 +02:00
Peter Schorn
494e68fcbf AltairZ80: Documentation update and small formatting cleanup 2020-04-30 19:01:38 +02:00
Patrick Linstruth
807005553b ALTAIRZ80: Add "SET CPU HISTORY" and "SHOW CPU HISTORY" for 8080/Z80 2020-04-29 20:28:33 -07:00
Peter Schorn
9b71968ada AltairZ80: Use non blocking socket for net device 2020-04-14 19:14:12 +02:00
Peter Schorn
5a293ac4ff AltairZ80: Additional register updates 2020-03-06 15:34:03 -08:00
Mark Pizzolato
2e41007e0d AltairZ80: Adjust REG array descriptors (BRDATA) to provide array object addrs 
No address value are changed, by a pointer the the array object is
explicitly provided which allows validation logic to determine the
size of the array object rather than merely it's first element.
 2020-03-03 07:50:33 -08:00
Peter Schorn
504aad14cf AltairZ80: Update clock register definitions 2020-03-03 02:31:51 -08:00
Mark Pizzolato
e06a5d7821 AltairZ80: Fix spelling in register description 2020-02-26 22:03:01 -08:00
Peter Schorn
6c84387ec0 AltairZ80: Fix error handling of bad IMD disks and sector size computation 2020-02-18 11:55:29 +01:00
Peter Schorn
8198bac160 AltairZ80: Fix Coverity detected issues in s100_tarbell.c 2020-01-30 09:55:05 +01:00
Mark Pizzolato
8a858c181d SCP: Clean up WEAK definition and rework deprecated references to sim_vm_init 
As discussed in #794
 2020-01-29 12:30:25 -08:00
Patrick Linstruth
020bf31457 AltairZ80: Adjust head unload timer usec value for SIO sleep/no sleep setting. 
AltairZ80: Properly use sim timer support routines.
 2019-12-19 21:45:55 -08:00
Patrick Linstruth
e261a2fa28 AltairZ80: Properly set current Tarbell drive and drive not ready flag on reset 2019-12-10 21:21:30 -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
Patrick Linstruth
dde74c25b4 Fixed -Wall warnings 
Corrected name in comment block
 2019-12-08 22:08:13 -08:00
Patrick Linstruth
5a3a535437 Updated top comment block 2019-12-07 20:12:51 -08:00
Patrick Linstruth
5b761735f7 Fix Windows compiler warnings / errors 2019-12-07 20:08:12 -08:00
Patrick Linstruth
8dabce41b9 Remove #include <windows.h> #ifdef 2019-12-07 17:20:46 -08:00
Patrick Linstruth
357e72bf93 Removed unused TARBELL_DRIVE_STATUS struct 2019-12-06 10:20:44 -08:00
Patrick Linstruth
90f164d06f Created a separate FD1771_REG for each drive (UNIT) 2019-12-05 20:06:13 -08:00
Patrick Linstruth
91b6807499 Added head load/unload with unload timer 2019-12-05 19:40:29 -08:00
Patrick Linstruth
6efda7cbea Clean up DBG_PRING and sim_debug messages. 2019-12-05 17:02:27 -08:00
Patrick Linstruth
d205582e9e Add Tarbell SSSD disk controller 2019-12-05 16:00:35 -08:00
Peter Schorn
c1d9db8be7 AltairZ80: Remove old documentation and replace with current 2019-07-18 20:45:59 +02:00
Mark Pizzolato
0b9cfa9b4d AltairZ80: Fix potential buffer overrun compiler warnings 2019-07-16 05:08:37 -07:00
Peter Schorn
ddb4cb4661 AltairZ80: Fix issue detected by Coverity (unchecked sim_fseek in n8vem.c) 2019-03-24 21:51:26 +01:00
Peter Schorn
86114729de AltairZ80: Make WD179X device more robust and fix Coverity issue 2019-02-23 13:22:52 +01:00
Peter Schorn
52817a58b9 AltairZ80: Fixed hard disk device boot 2019-02-09 17:44:23 +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
8077d4de38 AltairZ80: Clean up of source code formatting 2018-06-17 08:37:08 +02:00