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Author SHA1 Message Date
David Given 39acc01862
Merge pull request #150 from davidgiven/dtrg-windows 
Don't run the floating point tests on i80.
 2019-02-09 17:43:19 +01:00
David Given 810afbb5b9 Don't run the floating point tests on i80. 2019-02-09 14:24:31 +01:00
David Given 74f0eb90fa
Merge pull request #148 from davidgiven/dtrg-windows 
Make the ACK build on Windows again.
 2019-02-09 14:15:38 +01:00
David Given 39eb8a85f5 Don't run the tests in Appveyor. 2019-02-09 13:59:37 +01:00
David Given bcc9c16bf7 More z80ex removal. 2019-02-09 13:42:09 +01:00
David Given ada4d0806b
Merge pull request #149 from davidgiven/dtrg-arraysizes 
i80: more code size improvements.
 2019-02-09 13:40:36 +01:00
David Given 343cdf7983 Remove stray z80ex reference. 2019-02-09 13:30:29 +01:00
David Given 10b509d6b6 Add rst 3 to get the address of a frame variable; lots of rule overhaulage. 
Reduces Star Trek from 41821 to 41055 bytes.
 2019-02-09 13:29:41 +01:00
David Given f9a3baeaf7 Ugh, typo fix. 2019-02-09 12:25:27 +01:00
David Given 6c146e8c05 Maybe the setup script is somewhere else? 2019-02-09 12:23:42 +01:00
David Given e62b113b0a Try to install cygwin packages. 2019-02-09 12:17:57 +01:00
David Given 369e3300ac Another try at an AppVeyor build script. 2019-02-09 12:04:42 +01:00
David Given 27b8312598 Add experimental appveyor file. 2019-02-09 00:07:33 +01:00
David Given 9e2d45b301 Rename all files called 'aux.*' to something else; Windows can't handle them. 2019-02-09 00:02:41 +01:00
David Given 857f6a6646
Merge pull request #147 from davidgiven/dtrg-arraysizes 
i80: better and, or, xor, sign extension code.
 2019-02-08 23:19:08 +01:00
David Given 0de5001f82 Make sign extension much less horrible. 2019-02-08 23:16:57 +01:00
David Given 0ac145a0d1 Add tests for simple and, or, and xor; drastically improve the i80 code 
generation for these.
 2019-02-08 22:38:07 +01:00
David Given 996188d20a
Merge pull request #145 from davidgiven/dtrg-arraysizes 
Experimentally use rst 1 to optimise frame variable loads.
 2019-02-08 21:53:56 +01:00
David Given 19f5ee3399 CP/M sbrk now handles overflow correctly. 2019-02-08 21:43:52 +01:00
David Given a91ab5c599 Somehow the implementation of rst 2 got lost, with hilarious results. Also fix 
some register corruption issues (I hope).
 2019-02-08 21:35:14 +01:00
David Given 22032575c5 Add a 'disassemble' command to the CP/M emulator. 2019-02-08 20:54:44 +01:00
David Given d319c7d679 Fix swapped bytes in probyte which was causing junk stack frames. 2019-02-08 08:09:55 +01:00
David Given b47d59aa4a Merge from default. 2019-02-07 23:45:47 +01:00
David Given 1982301639
Merge pull request #146 from davidgiven/dtrg-cpmemu 
Add a CP/M i80 emulator, and enable the cpm tests
 2019-02-07 23:45:08 +01:00
David Given 8876ddcad2 Build the CP/M tests (which got turned off accidentally). Add a disassembler to 
the emulator debugger.
 2019-02-07 23:36:45 +01:00
David Given 80bfbd17b7 Add missing file. 2019-02-07 23:01:10 +01:00
David Given 7473601172 Add the cpm emulator from Cowgol, modified to work with an 8080 emulator rather 
than libz80ex; enable tests for cpm.
 2019-02-07 22:39:57 +01:00
David Given a5bf2932c8 Add rst 1 to store frame variables. Reduces Star Trek from 42339 to 41821 
bytes.
 2019-02-07 09:31:38 +01:00
David Given 67a9be26d1 Fix warnings. 2019-02-07 09:09:31 +01:00
David Given 9d8ea79c7f rst 1 now takes an eight-bit parameter, not a 16 bit one. Reduces Star Trek 
again from 43205 to 42339 bytes.
 2019-02-07 08:45:20 +01:00
David Given 5ac280026e Experimentally use rst 1 to optimise frame variable loads. Reduces Star Trek 
from 43892 to 43205 bytes.
 2019-02-07 00:06:32 +01:00
David Given a6b8ae66d7
Merge pull request #144 from davidgiven/dtrg-arraysizes 
i80: use a helper function for cai.
 2019-02-06 21:31:29 +01:00
David Given 08b92153a0 Use a helper function for cai --- only saves two bytes per invocation, but is 
much less embarassing.
 2019-02-06 20:36:23 +01:00
David Given 3d5977b93b
Merge pull request #142 from davidgiven/dtrg-arraysizes 
i80: factor out function prologue boilerplate
 2019-02-06 16:15:53 +01:00
David Given 2b0629f87f Common out boilerplate function prologue code; shrinks Star Trek from 44256 to 
43892 bytes.
 2019-02-06 16:06:07 +01:00
David Given b77f616598 Run through clang-format before editing. 2019-02-06 11:50:05 +01:00
David Given 73fab341f5
Merge pull request #141 from davidgiven/dtrg-stray 
Install the cpp.ansi man page.
 2019-02-06 11:30:56 +01:00
David Given 7563ac46a7
Merge pull request #140 from davidgiven/dtrg-arraysizes 
CPM: Move the standard ret boilerplate into a helper procedure.
 2019-02-06 07:43:16 +00:00
David Given 02779325ab Move the standard ret boilerplate into a helper procedure, to save a little 
space.
 2019-02-06 08:08:11 +01:00
David Given 24ffbe086a Install the cpp.ansi man page. #82. 2018-12-22 23:47:49 +01:00
David Given 2e71c027a3
Merge pull request #136 from kernigh/kernigh-led-malloc 
Fewer calls to brk() and sbrk()
 2018-11-20 10:52:44 +01:00
George Koehler 33c0573598 Remove code to calculate memory usage with sbrk(). 
In many systems, malloc() can allocate outside the brk area.  The
calculation with sbrk() misses those allocations.  When LLgen or ncgg
reported the memory usage, the value was probably too low.
 2018-11-14 16:13:54 -05:00
George Koehler 1c8434e33a Switch led to malloc() and realloc(). 
Add USEMALLOC and enable it by default.  You can switch back to brk()
by removing `#define USEMALLOC` in memory.c.

USEMALLOC tells the allocator to use malloc() and realloc(), not
brk().  This might help systems where brk() doesn't work, or where
malloc() can allocate outside the brk area.

My build shows no changes in share/ack/examples (except hilo_bas.*).
 2018-11-14 15:15:45 -05:00
George Koehler 4fdfa3177e Fix em_led -u name when memory allocator moves ALLOMODL. 
Option -u was passing an offset from modulptr(0) in ALLOMODL to the
string in argv.  If entername() would move ALLOMODL to make room in
ALLOGCHR, then the offset would become invalid, so the string would
get lost.  This fix copies the string into ALLOMODL.

This was often not a problem because the initial size of ALLOGCHR in
mach.h is probably large enough for -u.  This became a problem when I
caused the initial allocations to fail, and then only because the B
runtime uses -u.
 2018-11-14 12:35:38 -05:00
George Koehler f09f14cd4d Switch from long to size_t when allocating memory. 
Also move the declarations of `incore` and `core_alloc` to "memory.h".
Also correct SYMDEBUG to SYMDBUG.  (I don't know if SYMDBUG works
because our build system never defines it.)

ind_t becomes an alias of size_t.  ind_t becomes unsigned, so I edit
some code that was using negative ind_t.  Some casts disappear, like
(long)sizeof(...) because the size is already a size_t.  There are
changes to overflow checks.  Callers with a size too big for size_t
must check it before calling the memory allocator.  An overflow check
of BASE + incr in memory.c sbreak() now happens on all platforms, not
only when a pointer is smaller than a long.

My build shows no changes in share/ack/examples (except hilo_bas.*
changing with every build).
 2018-11-14 12:33:25 -05:00
David Given c55ed2acfa
Merge pull request #135 from kernigh/kernigh-mv-int 
Move int to $(INSDIR)/bin/int
 2018-11-05 21:48:17 +01:00
George Koehler df855248a0 Move int to $(INSDIR)/bin/int 
If $(INSDIR)/bin is in PATH, then the user can run both ack(1) and
int(1), like

    $ ack -mem22 -o prog prog.c
    $ int prog
 2018-11-05 15:14:29 -05:00
David Given 1b60af4f0b
Merge pull request #133 from davidgiven/dtrg-mips 
Allow constants >INT_MAX in mcg
 2018-09-22 17:30:52 +02:00
David Given ed91ea4371 When parsing constants which don't fit into an arith, handle overflow properly 
(and don't turn them all into INT_MAX...).
 2018-09-22 12:45:59 +02:00
David Given c6a1cf8de4
Merge pull request #132 from davidgiven/dtrg-mips 
Teach mcg how to merge pushes
 2018-09-22 11:04:13 +01:00