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Z80 port (cleaned up version)#12

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nickd4 wants to merge 41 commits intouho:masteruho/preForth:masterfrom nickd4:z80_port1nickd4/preForth:z80_port1Copy head branch name to clipboard

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Commits

Commits on Apr 22, 2022

• Add .gitignore, rationalize make clean, remove a gforth warning in tokenizer

  nick-lifx

  committed
  df227c7

• Remove .$(UNIXFLAVOUR) extension and file copies in favour of ifeq (GNU make)

  nick-lifx

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  56c4dcf

• Remove redundant stuff in the preForth-generated asm code

  nick-lifx

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  a2e4911

• Use tabs in preForth-i386-rts.pre and seedForth-i386.pre, improve consistency

  nick-lifx

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  cb3ba98

• Rationalize how cr is emitted in generated preForth code, make DB/DD lowercase

  nick-lifx

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  fa4f0c2

• Rationalize the sections in assembly output, make code be compiled into bss rather than text section which avoids the need to call mprotect(), rename things

  nick-lifx

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  927ca5a

• Split seedForth-i386.pre into machine dependent/less machine dependent portions

  nick-lifx

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  77b48fe

• Split seedforth-i386.pre further into header and body portions

  nick-lifx

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  f843d08

• Remove duplicated code in seedForth-i386.pre, take from preForth-i386-rts.pre

  nick-lifx

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  cdd8686

Commits on Apr 23, 2022

• Implement built-in "cat" functionality in preForth/seedForth for reading input

  nick-lifx

  committed
  c962f42

• Make key? use fdin instead of always STDIN_FILENO, and use poll() not ioctl()

  nick-lifx

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  ebf5bfa

• Rationalize seedForth-tokenize.fs so that seedsource no longer has to be wrapped with PROGRAM / END, also removes automatic bye token that was generated by END

  nick-lifx

  committed
  d48d34a

Commits on Apr 24, 2022

• Move most code from seedForthInteractive.seedsource into seedForthRuntime.seedsource, so that we can run textual forth code without the tests or the banner

  nick-lifx

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  375ab0f

• Rationalize how echo is handled during the seedForthInteractive loading phases

  nick-lifx

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  8da6c87

• Split out control flow words and a few others from hi.forth into runtime.forth

  nick-lifx

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  62bcae1

• Make ./seedForth-tokenizer self hosting (works, but hangs after tokenizing)

  nick-lifx

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  78426fc

• Remap tokens so that EOT is no longer a seedForth token, detect EOT everywhere

  nick-lifx

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  cbfdac8

• Implement eot token similar to the old bye token (so we can compile bye token)

  nick-lifx

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  caac682

• Implement a new preForth/seedForth token eemit which is like emit but writes to stderr, fix self-hosted tokenizer termination issue (was debugged with eemit)

  nick-lifx

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  75138c3

• Implement DO/?DO/LOOP, as experimental ?DO didn't have a correct companion LOOP

  nick-lifx

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  7115f49

• Add CRC10/ATM (bit reversed) table generator and evaluator

  nick-lifx

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  03f5872

• Modify tokenizer to use a 1024-entry symbol table with closed hashing by CRC10

  nick-lifx

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  913f5dd

Commits on Apr 25, 2022

• Move nonstandard words from preForth-rts.pre into preForth-rts-nonstandard.pre

  nick-lifx

  committed
  4e4fa66

• Simplify bootstrapping by not creating a new wordlist and only defining the nonstandard words on top of gForth's standard words, produces redefinition warnings

  nick-lifx

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  4add97d

• Remove load-i386-preForth.fs, instead list the compiler sources on command line

  nick-lifx

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  12b1f58

Commits on Apr 27, 2022

• Separate /preForth directory into /common and /i386, add appropriate Makefiles

  nick-lifx

  committed
  afd9082

• Add emu_z80 directory based on submodules https://github.com/nickd4/asxv5pxx.git and https://github.com/superzazu/z80.git

  nick-lifx

  committed
  ee347d8

• In emu_z80, add "cat" functionality for stdin, and non-blocking I/O facilities

  nick-lifx

  committed
  3036d37

• Move 16/32 bit and ITC/DTC dependencies into extra sources in /i386 directory

  nick-lifx

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  4df5731

• Rename seedForth-i386.pre to seedForth-i386-rts.pre, implement a new seedForth-i386.pre containing some compiler words so we can do special handling for DTC

  nick-lifx

  committed
  65e486a

• Copy /i386 to /z80 and rename files as appropriate

  nick-lifx

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  6134fa6

• Insert z80-specific code in /z80, and change to 16-bit and from ITC to DTC

  nick-lifx

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  af0ef29

• Hack in /emu_z80 to make everything inline and multiple instructions executed

  nick-lifx

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  7ef4d88

• Fix typo in /emu_z80/Makefile

  nick-lifx

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  baae866

• Add accidentally .gitignored /emu_z80/test.asm

  nick-lifx

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  1858907

• Improve appearance of z80 generated code slightly

  nick-lifx

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  18b4cf3

• Fix asxxxx < > syntax in /z80/test.asm

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  c3f211f

Commits on Apr 28, 2022

• Add preForthDemo build using host Forth (for debugging a new preForth runtime)

  nick-lifx

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  83a8c33

• Fix some missing tests in seedForthDemo after separating machine dependent part

  nick-lifx

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  ced4375

• In /z80 fix 32/16 bit divide bug and optimize multiply/divide, general tidy ups

  nick-lifx

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  9e622d7

• Add copyright notice (required for the GPLv3 license to be effective)

  nick-lifx

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  20f084d