w11a_V0.794

asm-11 finalized; mcodes documented

• asm-11 finalized, .if,.rept,.mcall added; many updates and fixes
• macro library added (tools/asm-11/mlib) and used via .mcall throughout
• documentation for tools/mcode added
• other documentation updates
• Doxygen support now for V1.9.6
• tst_serloop designs added for Basys3

w11a_V0.793

w11 CPU xxdp clean

• all known w11a CPU core issues and fixable deficiencies resolved
• tcodes significantly expanded
• tbench expanded, covers all cases that need control port interaction
• w11a differences re-organized and completed
• SimH differences re-organized and completed
• tmu and tmuconv improvements
• gwstart added, improves working GHDL plus gtkwave
• xxdp run scripts added for w11a and SimH

w11a_V0.792

consolidate test bench; drop Atlys; many cleanups; viv 2022.1

• retire ancient and unmaintainable tb_pdp11core_stim.dat verification code
• add fast mac-only verification codes under tool/tcode, integrated with tbrun
• cleanup tbrun setup, drop nexys4 and add nexys4d
• add ostest support for rsx11m-31_rk, rsx11m-40_rk and rsx11mp-30_rp oskits
• build flow Vivado 2022.1 ready; handle synth 8-3331 -> 8-7129 transition
• remove Atlys support (only test designs, a w11 design was never done)
• cleanup code base, use page,mmr*,pdr,par instead of segment,ssr*,sdr,sar
• sysid encodes now system type, allows to distinguish w11,SimH,e11
• CPU bug fixes in pdp11_mmu and pdp11_sequencer
• cleanup SimH setup files (*.scmd), use autoconfig, set disk types
• asm-11 has now limited macro support
• added dasm-11, a PDP-11 disassembler
• all actively used commands have now a man page
• Doxygen support now for V1.9.4; remove discontinued Tcl support

w11a_V0.791

GitHub actions; viv 2020.1; ostest; Nexys A7

• drop Travis; add GitHub Actions support
• use Vivado 2020.1 and GHDL 2.0.0 as default
• use std=c++17 (requires gcc 7.3 or later)
• automate oskit download and container file setup
• automate testing of oskits
• get Nexys A7 board working and fully integrated

w11a_V0.79

SPDX license tags; viv 2019.1; coverity defect free

• use vivado 2019.1 as default
• finalize coverity fixups, now defect free (see blog)
• use SPDX license tags, remove boilerplate license disclaimers (see blog)
• TM11: support odd record length, close #8

w11a_V0.78

add M9312; add DZ11; update oskits

• add m9312 boot prom emulation
• add dz11 8 line serial port multiplexer
• update 211bsd system images (oskits)
  • apply fpsim+tcsh patch
  • support dz11 lines
  • update network setup

w11a_V0.77

add support for buffered character interfaces

• LP11: ibdr_lp11_buf
• PC11: ibdr_pc11_buf
• DL11: ibdr_dl11_buf

w11a_V0.76

Add support for DDR memory via Vivado MIG

• migui_core_gsim: highly simplified MIG UI simulation model
• sramif2migui_core: w11a SRAM to MIG UI interface core
• DDR enable w11a systems for Digilent Arty, Arty S7, Nexys4 DDR
• low level MIG interface test design sys_tst_mig_*

w11a_V0.753

Add Travis, KW11-P, ram:, dmpcnt; backend code review

• add continuous integration support via Travis CI
• add KW11-P (programmable clock)
• add CPU performance counters (32 counters of 32 bit width)
• add new disk scheme ram: (with Rw11VirtDiskRam)
• comprehensive review of C++ backend code

w11a_V0.752

Add Arty S7 support; vivado 2017.2

• Add Digilent Arty S7 (50 die size, board rev E) support
• get vivado 2017.2 ready (needed for Spartan-7 support)