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open-simh.simh/PDP11
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Tony Lawrence f75592c5b8 PDP11: 11/70 read-only registers must not return NXM on write 
17 777 740 - 17 777 742, read-only error address registers,
and 17 777 764, a read-only System ID register,

and are not handled in the CPU70_wr() routine, which means for these
addresses the routine returns NXM, which then translates to "bus timeout"
(no response to address), and then, as a result, trap to vector 4.

That is incorrect, IMO.

These locations are read-only yet the address gets decoded, and even
though writing does not have any effect, the write routine for these
addresses should return SCPE_OK.
2023-10-10 19:52:41 -04:00
..
11logo
PDP11: Add 11LOGO programming language and make it bootable from the NG device.
2019-02-07 08:16:52 +01:00
dazzledart
PDP11: Add Dazzle Dart game and make it bootable from the DAZ device.
2019-02-07 08:16:49 +01:00
lunar11
…
CMakeLists.txt
PDP11: RP11-C (RP02/03) disk implementation
2023-09-22 19:41:33 -04:00
ddcmp_sync.md
Various simulators: Set line endings to CRLF for consistency, remove stray tabs
2023-03-19 16:51:27 -04:00
pdp11_11logo_rom.h
BuildROMs: Change name define logic to avoid conflicts
2021-08-23 13:36:04 -07:00
pdp11_ch.c
PDP11: Fix warning about size_t converted to uint16.
2020-04-14 07:44:24 +02:00
pdp11_cis.c
PDP11: Cleanup potential compiler warnings
2021-08-13 09:11:42 -07:00
pdp11_cpu.c
PDP11: numerous 11/70 compatibility fixes
2023-01-31 13:06:04 -05:00
pdp11_cpumod.c
PDP11: 11/70 read-only registers must not return NXM on write
2023-10-10 19:52:41 -04:00
pdp11_cpumod.h
PDP11: Fix model indexes after model table previously got reordered
2021-08-24 10:47:01 -07:00
pdp11_cr_dat.h
PDP11, All VAX: Change ERROR in CR device translation tables to avoid conflicts
2017-06-04 09:56:22 -07:00
pdp11_cr.c
PDP11, PDP10, Qbus & Unibus VAX: Correct CR device translation help and parsing
2022-01-15 15:38:35 -08:00
pdp11_daz.c
PDP11: Cleanup help language in TC and DAZ devices
2022-07-26 07:30:55 -10:00
pdp11_dazzle_dart_rom.h
BuildROMs: Change name define logic to avoid conflicts
2021-08-23 13:36:04 -07:00
pdp11_dc.c
PDP11: Improve idling.
2022-10-29 14:15:41 -04:00
pdp11_ddcmp.h
PDP11, Unibus VAX: Fix Coverity identified warning
2019-07-16 03:15:25 -07:00
pdp11_defs.h
PDP11: RP11-C (RP02/03) disk implementation
2023-09-22 19:41:33 -04:00
pdp11_dh.c
PDP11: Support byte write access to DHCSR.
2023-03-30 09:33:41 -04:00
pdp11_dl.c
PDP11: Add more thorough help to the DLI/DLO device
2020-06-25 11:06:04 -07:00
pdp11_dmc.c
PDP11, Qbus & Unibus VAX: Use proper REG macros for arrays and structures
2022-09-21 08:46:23 -07:00
pdp11_dup.c
QBus VAX and PDP11: Add support for HDLC framing to DUP11/DPV11
2022-08-04 16:46:56 +01:00
pdp11_dup.h
…
pdp11_dz.c
Various simulators: Set line endings to CRLF for consistency, remove stray tabs
2023-03-19 16:51:27 -04:00
pdp11_fp.c
PDP11: numerous 11/70 compatibility fixes
2023-01-31 13:06:04 -05:00
pdp11_hk.c
PDP11, VAX scsi systems: Migrate DEV_DISK devices using common autosize code
2022-02-11 15:26:21 -08:00
pdp11_io_lib.c
PDP11: RP11-C (RP02/03) disk implementation
2023-09-22 19:41:33 -04:00
pdp11_io_lib.h
Qbus & Unibus VAX: Add a SHOW QBA|UBA MAP{=n} command to display the bus map
2020-08-29 08:16:58 -07:00
pdp11_io.c
PDP11: Fix I/O Page DMA to reflect hardware that only worked on Unibus
2018-09-06 13:41:43 -07:00
pdp11_ke.c
…
pdp11_kg.c
PDP11: Rework KG device debug support to leverage sim_debug and bitfields
2022-02-04 08:00:50 -08:00
pdp11_kmc.c
PDP11: Fix SET command parsing to require values for all ADDRESS and VECTOR
2019-08-01 07:16:34 -07:00
pdp11_lp.c
All LP and CD devices: Removed use of ftell for pipe compatibility
2022-06-16 16:13:46 -07:00
pdp11_mb.c
Various simulators: Set line endings to CRLF for consistency, remove stray tabs
2023-03-19 16:51:27 -04:00
pdp11_mscp.h
…
pdp11_ng.c
PDP11: Improve idling.
2022-10-29 14:15:41 -04:00
pdp11_pclk.c
PDP11, Qbus/Unibus VAX: Silence various compiler warnings
2020-10-09 05:10:12 -07:00
pdp11_pt.c
PDP1, PDP10, PDP11, ID16, ID32, NOVA, VAX: Open LPT, PTP devices for append
2020-04-28 07:09:20 -07:00
pdp11_rc.c
PDP11: Migrate RC device to use sim_disk meta data and file system detection
2022-02-13 23:05:43 -08:00
pdp11_rf.c
PDP11: RF11: Fix DAE computation in service routine
2023-10-09 20:16:01 -04:00
pdp11_rh.c
PDP11: numerous 11/70 compatibility fixes
2023-01-31 13:06:04 -05:00
pdp11_rk.c
PDP11: RK11: Complete fix for WC as implemented in V3 + other fixes
2023-06-24 13:34:38 -04:00
pdp11_rl.c
PDP11: numerous 11/70 compatibility fixes
2023-01-31 13:06:04 -05:00
pdp11_rom.c
PDP11: ROM device.
2018-09-10 15:13:06 +02:00
pdp11_rp.c
PDP11, Unibus VAX: DEC standard 144 corrections and RP device update
2021-08-08 11:39:13 -07:00
pdp11_rq.c
DISK: add RQDX1 model and make it default for MV1.
2023-07-18 20:13:11 -04:00
pdp11_rr.c
PDP11: RP11: Major update after XXDP
2023-10-10 14:10:50 -04:00
pdp11_rs.c
ALL: Correct help text in "SET <unit> LOCKED" MTAB entries
2021-04-19 15:22:15 -07:00
pdp11_rx.c
ALL: Correct help text in "SET <unit> LOCKED" MTAB entries
2021-04-19 15:22:15 -07:00
pdp11_ry.c
ALL: Correct help text in "SET <unit> LOCKED" MTAB entries
2021-04-19 15:22:15 -07:00
pdp11_stddev.c
PDP11: Add description display routine to the KW11-L line frequency clock
2020-09-15 04:45:25 -07:00
pdp11_sys.c
PDP11: RP11-C (RP02/03) disk implementation
2023-09-22 19:41:33 -04:00
pdp11_ta.c
All Tape DEVICES: Added extra case points for new MTSE definitions
2022-06-16 16:13:46 -07:00
pdp11_tc.c
PDP11: Cleanup help language in TC and DAZ devices
2022-07-26 07:30:55 -10:00
pdp11_td.c
ALL: Correct help text in "SET <unit> LOCKED" MTAB entries
2021-04-19 15:22:15 -07:00
pdp11_td.h
PDP11, All VAX: Fix TU58 device (TDC) failure when not ATTACHED
2017-01-05 09:36:17 -08:00
pdp11_tm.c
All Tape DEVICES: Added extra case points for new MTSE definitions
2022-06-16 16:13:46 -07:00
pdp11_tq.c
PDP11, Qbus & Unibus VAX: Use proper REG macros for arrays and structures
2022-09-21 08:46:23 -07:00
pdp11_ts.c
PDP11: TS11: Fix help output for BOOT command
2023-10-10 13:02:02 -04:00
pdp11_tu.c
ALL: Standardize writelock behavior adding global UNIT_WLK & UNIT_WPRT
2021-04-19 10:58:51 -07:00
pdp11_tv.c
Various simulators: Set line endings to CRLF for consistency, remove stray tabs
2023-03-19 16:51:27 -04:00
pdp11_uc15.c
PDP11: Fix SET command parsing to require values for all ADDRESS and VECTOR
2019-08-01 07:16:34 -07:00
pdp11_uqssp.h
…
pdp11_vh.c
PDP11, VAXen: Fix to VH device to properly reference the line number
2022-07-24 18:03:49 -07:00
pdp11_vt_lunar_rom.h
BuildROMs: Change name define logic to avoid conflicts
2021-08-23 13:36:04 -07:00
pdp11_vt.c
PDP11: Fix VT help entry in DEVICE definition
2021-08-01 19:02:10 -07:00
pdp11_xq_bootrom.h
PDP11, VAX: Fix compiler warnings about quotes in #if 0 #endif block
2016-01-20 10:51:01 -08:00
pdp11_xq.c
PDP11, VAX: Fix Coverity issues in XQ and XU devices
2022-03-11 12:34:59 -08:00
pdp11_xq.h
PDP11, VAX, ETHER: Generalize XQ device address filtering
2021-12-14 11:39:18 -08:00
pdp11_xu.c
PDP11, VAX: Fix Coverity issues in XQ and XU devices
2022-03-11 12:34:59 -08:00
pdp11_xu.h
PDP11, PDP10, all VAX: General extern cleanup.
2017-02-04 19:37:20 -08:00
txt2cbn.c
…