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Author SHA1 Message Date
David Given 670c7ce96f After finding the em_table documentation, move it somewhere where other people 
can find it.
 2018-06-13 20:58:44 +09:00
David Given 15161ebb35 Remember to always link the libsys and libend. 2018-06-13 20:57:31 +09:00
David Given 7f2ca76663 Expose our custom Lua interpreter to the build system so utility scripts can be 
written in it.
 2018-06-13 20:56:49 +09:00
David Given 6ae38887a7 It appears that the parameter to lol technically has to be word aligned; having 
a non-word aligned parameter is illegal (but most of the toolchain accepts it).
So, word align data structures for em22.
 2018-06-12 20:54:15 +09:00
David Given 4a249b1bdb Merge. 2018-06-10 20:26:10 +09:00
David Given d623440c77 Add the core of a simple em22 platform. Unfortunately it doesn't work; the old 
em libmon vanished decades ago (or never existed), and also ass appears to have
a different idea of what the em opcodes are to everything else and gets
confused.
 2018-06-10 20:25:48 +09:00
David Given cebb238036 Merge. 2018-06-10 18:09:18 +09:00
David Given 003799f898 Fix table underrun when looking up the character class of the EOF character, 
-1.
 2018-06-10 17:52:45 +09:00
David Given 5d519b79f7
Merge pull request #94 from davidgiven/dtrg-ass 
Get int and ass building.
 2018-06-09 22:44:24 +09:00
David Given e7124f3e3f File cleanup. 2018-06-09 21:21:28 +09:00
David Given a12181748b Make ass and int built with clang --- surprisingly easy. 2018-06-09 21:18:50 +09:00
David Given 59b383afd0 Make the em interpreter build --- again, lots of warnings, so it probably won't 
work on clang. I have no idea whether it runs or not as building a e.out
program is quite hard and needs a special platform.
 2018-06-09 21:13:31 +09:00
David Given d10a594c04 Get ass running --- it's very K&R and almost certainly won't build on clang, 
but it works on gcc.
 2018-06-09 14:10:45 +09:00
David Given ae3074cd9a
Merge pull request #93 from davidgiven/dtrg-pc86-2 
Rearrange the tests; don't run unsupported tests on emulators which don't support them.
 2018-06-08 21:40:25 +09:00
David Given 19cd42124f Rearrange the tests into sets; allow plats to skip sets; pc86 and linux68k now 
skip the tests which use floating point instructions (as their emulators don't
support them).
 2018-06-08 15:59:04 +09:00
David Given b94199aba7
Merge pull request #92 from davidgiven/dtrg-pc86-2 
Replace the qemu pc86 emulator with a custom x86emu-based one.
 2018-06-08 00:18:18 +09:00
David Given 1d4ddb939d Merge from trunk. 2018-06-08 00:05:50 +09:00
David Given 37f466a8f4
Merge pull request #91 from davidgiven/dtrg-m68k 
Add a Musashi-based 68020 emulator; use it to run the linux68k tests.
 2018-06-07 13:48:06 +09:00
David Given b9c0e1d964 Dummied out some more system calls --- more tests pass. 2018-06-07 13:12:15 +09:00
David Given 2682c125e0 More real ELF loading and brk handling; more tests pass. 2018-06-07 13:03:36 +09:00
David Given 396795105f Beat the 68k simulator into enough shape that at least *some* of the tests pass. 2018-06-06 22:39:43 +09:00
David Given 4b26f75d23 Hang on, the 68k is big-endian --- I'm extracting words (and bytes) from longs 
incorrectly.
 2018-06-06 12:49:21 +09:00
David Given 2cf39be752 Get the emulator to the point where it'll start to run code; it then fails, 
because the version of Musashi I imported doesn't support floating point...
 2018-06-05 23:17:22 +09:00
David Given a8802c934b Enable tests for linux68k. 2018-06-05 23:16:34 +09:00
David Given 5034ed1c39 Crudely beat the standard Masushi simulator into working in the ACK framework. 2018-06-05 17:45:00 +09:00
David Given 3f049a4c29 Basic mid now throws an error on out-of-bounds parameters rather than returning 
an uninitialised pointer (and crashing).

Fixes: #54
 2018-06-05 09:53:56 +09:00
David Given 9dede01efe Fix bogus test. 
Fixes: #89.
 2018-06-05 09:41:31 +09:00
David Given 342a321c87 Fix bogus test. 
Fixes: #90
 2018-06-05 09:20:46 +09:00
David Given c6b9446722 Check in the x86emu-based emulator. Sadly, just like the 8086tiny-based 
emulator, FPU instructions aren't supported.
 2018-06-04 16:19:45 +09:00
David Given d908f9cfb2 Modify the pc86 test harness to use 8086tiny instead of qemu. Sadly, some tests fail. 2018-06-03 15:13:43 +02:00
David Given 0eb89d5d95 Add a clean copy of the Musashi emulator. 2018-06-05 17:04:47 +09:00
David Given d70eb76dbb Modify the pc86 test harness to use 8086tiny instead of qemu. Sadly, some tests fail. 2018-06-03 15:13:43 +02:00
David Given 9132641100 Add the pc86emu skeleton. 2018-06-03 08:24:21 -07:00
David Given eb96ea5d28 Add a clean copy of the x86emu library. 2018-06-03 08:06:23 -07:00
David Given b8cb840c12
Merge pull request #87 from davidgiven/dtrg-travis 
Get clang working on travis.
 2018-06-02 23:00:48 +03:00
David Given 5d292a0a36 Typo fix. 2018-06-02 21:48:18 +02:00
David Given 911ce7ceb5 Crudely tweak some of the prototypes to please clang, which is pickier about 
K&R C than gcc is.
 2018-06-02 21:31:18 +02:00
David Given 5a886787d3 Honour CFLAGS set in the Makefile. 2018-06-02 21:30:52 +02:00
David Given deeef55ea9 Try and *actually* use clang for the clang build. 
Fixes: #67
 2018-06-02 21:01:03 +02:00
David Given b85c25e4e5 Fix resource leak. 
Closes: #75
 2018-06-02 20:59:11 +02:00
David Given d6e65833fb Format. 2018-06-02 20:57:43 +02:00
David Given d1cbb9cf60 Crudely bounds check some naked fscanf("%s") parsing. Fixes #79, mostly. 2018-06-02 20:51:41 +02:00
David Given c47661f07e
Merge pull request #85 from davidgiven/dtrg-ed 
Fix the incompatibility with modern ed
 2018-06-02 19:23:19 +03:00
David Given be32d258cb Don't need ed any more in the travis configuration. 2018-06-02 18:08:55 +02:00
David Given 05ddefad65 Adopt a copy of Minix 2's ed; this allows the ACK's antiquated ed scripts to 
run with a minimum of tweaking. Rewriting them for modern ed looks really hard.

Fixes: #84
 2018-06-02 18:02:51 +02:00
David Given f8dfdef974
Merge pull request #81 from kernigh/kernigh-libfp 
software floats, line editor for CP/M
 2018-05-12 00:59:05 +02:00
George Koehler 019c7f9da7 Update cpm/README for console changes, ack -fp. 2018-05-07 16:08:44 -04:00
George Koehler 43458df777 Build a smaller startrek for CP/M. 
The game was larger than the 64K address space.  I remove the intro
and replace part of libc.  Now I can play startrek in YAZE-AG.
 2018-05-04 18:32:24 -04:00
George Koehler 154509038d Enable the line editor in read() for CP/M. 
This changes the BDOS call from CPM_BDOS_CONSOLE_INPUT to
CPN_BDOS_READ_CONSOLE_BUFFER.  This allows commands like ^H to delete
characters and ^C to exit to CCP.  This is more like how Unix read(2)
uses canonical mode of termios to read a line.

This change has a disadvantage: the user buffer to read(2) must now be
large enough for an entire line.  This is because CP/M, unlike Unix,
lacks a kernel buffer to hold the rest of the line.  If you use a
buffered input library like stdio to call read(2), then it works; but
if you try to read part of a line or a single character, then it
doesn't work.
 2018-05-04 18:21:01 -04:00
George Koehler b4be612832 Change readstring() to use buffered input. 
Change from `uread(0, c, 1)` to `read(c)`, so input goes through
libpc's buffer.  If input is a tty in Unix, this reduces the number of
read(2) system calls from one per character to one per line.

This change will become necessary in CP/M when I enable the line
editor.
 2018-05-04 18:06:51 -04:00