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Author SHA1 Message Date
George Koehler 84f65f7ce3 Raise _XOPEN_SOURCE from 500 to 700 
In OpenBSD, _XOPEN_SOURCE 500 forces _POSIX_C_SOURCE down to 199506,
which hides the declarations of openat() and fdopendir() and causes
compiler warnings.

Don't set _POSIX_C_SOURCE, because _XOPEN_SOURCE may set
_POSIX_C_SOURCE to a different value.
 2019-03-22 14:35:07 -04:00
David Given 79a38ecc08 Instead of using parameterised rsts for stack access, add a huge swathe of 
automatically built helper tools. Star Trek goes up from 40243 to 40779 bytes,
but should be a lot faster.
 2019-02-13 22:45:22 +01:00
David Given 073451dd44
Merge pull request #154 from ccodere/buildfix 
Bugfix of compilation on gcc 4.8
 2019-02-12 21:51:46 +01:00
carl 664338aa49 Fix compilation issue on C90 compilers (gcc 4.8 was failing to compile with default flags) - updated following comment. 2019-02-13 00:17:45 +08:00
carl c63f527dde Fix compilation issue on C90 compilers (gcc 4.8 was failing to compile with default flags). 2019-02-12 00:46:09 +08:00
David Given 34e9573929 Merge from default. 2019-02-10 23:40:07 +01:00
David Given 666d9a3edb Add stray header. 2019-02-10 12:57:00 +01:00
David Given aa6aefdaa0 Add missing header. 2019-02-10 00:45:09 +01:00
David Given 810afbb5b9 Don't run the floating point tests on i80. 2019-02-09 14:24:31 +01:00
David Given bcc9c16bf7 More z80ex removal. 2019-02-09 13:42:09 +01:00
David Given 343cdf7983 Remove stray z80ex reference. 2019-02-09 13:30:29 +01:00
David Given 19f5ee3399 CP/M sbrk now handles overflow correctly. 2019-02-08 21:43:52 +01:00
David Given 22032575c5 Add a 'disassemble' command to the CP/M emulator. 2019-02-08 20:54:44 +01:00
David Given b47d59aa4a Merge from default. 2019-02-07 23:45:47 +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 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 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 64ae1d7583 Move time() into sys; change the name of the variable which controls it. 2018-06-23 19:40:50 +02:00
David Given 66815ff987 Make linux386 work with the new libc layout. 2018-06-23 12:13:33 +02:00
David Given 32c881474e Create a basic and probably wrong common unistd.h, which replaces the plat one. 
Made this work with cpm (but nothing else yet).
 2018-06-23 11:46:55 +02:00
David Given 94ffa3ba88 libc floating point and stdio floating point can now be turned on and off using 
ACKCONF variables.
 2018-06-23 00:04:14 +02:00
David Given 9bf1d548fc Rearrange the libc config files, ready for adding new options. 2018-06-22 23:43:15 +02:00
David Given 11854f4dfe Ansify and warning fix. 2018-06-17 22:30:27 +02:00
George Koehler 019c7f9da7 Update cpm/README for console changes, ack -fp. 2018-05-07 16:08:44 -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 93e01eb5d1 Teach i80 ncg to use libfp. Enable ack -mcpm -fp. 
Old .o files stop working if they use floating point.  One must
recompile those files.  Old files don't call libfp in the correct way,
and may use symbols that I removed from libem.  I don't keep old
symbols in libem/flp.s, because a program that pulls both libfp and
flp.s would get "multiply defined" errors in the linker.

I teach mach/i80/ncg/table to use libfp by copying or adapting the
patterns from mach/i86/ncg/table.  I did not test all the patterns,
but I did use `ack -mcpm -fp -O4` to compile examples/mandelbrot.c,
then I ran it in the emulator YAZE-AG.  It worked, but it was slow.
 2018-04-25 16:09:56 -04:00
David Given 0e10329876 Fix an issue throughout where B couldn't be built by ackprogram due to symbol 
laziness.
 2016-12-29 17:11:53 +00:00
David Given 4485d89b23 Hook the B compiler up to the compiler driver. 2016-11-27 20:48:07 +01:00
David Given 5bce5fc4da Change the extension used by Basic files for .b to .bas, to avoid conflicts 
with B.
 2016-11-27 20:38:33 +01:00
David Given 36ab90385f Change sbrk() to take an int rather than an intptr_t (following the OpenBSD way 
rather than the Linux way; various non-C bits of the ACK assume it takes an
int, so it's cleaner).
 2016-11-23 22:06:24 +01:00
David Given f67c98e239 Distributions are a pain --- let's not bother any more. Instead, we just tag 
the repository and download a complete snapshot, old and ancient stuff and all.
 2016-09-02 23:00:38 +02:00
David Given 612e38f1c6 Remove the old make-based build system, plus some big chunks of horribly 
obsolete protomake build system.
 2016-09-02 22:17:51 +02:00
David Given 420c47c386 Fix dependency error (only shows up with make, not ninja. Odd). 2016-08-15 00:46:43 +02:00
David Given 3df4906d52 Turns out I wasn't building the syscall libraries. Do so. 2016-08-14 11:23:57 +02:00
David Given b549980af2 Wasn't exporting the plat headers; refactor to make this a little cleaner. 2016-08-14 11:01:36 +02:00
David Given 262c5fedcf Biggish refactor to break cycles; my build rules were full of them. cpm builds, 
which requires top and topgen.
 2016-08-14 01:39:40 +02:00
David Given 88bd7ce126 Remove defunct pmfiles. 
--HG--
branch : default-branch
 2016-06-03 13:56:50 +02:00
David Given ff0c78cc78 Merge from default. 
--HG--
branch : dtrg-videocore-branch-branch
 2016-03-13 21:13:09 +01:00
David Given aacabba165 Apply fix contributed by George Koehler: 
- don't crash if BSS overlaps BDOS
- fix stack initialisation bug
- fix command line argification
 2013-06-02 22:02:15 +01:00
David Given 92817a6ad7 Allow platforms to specify size of long double; seperate alignment from size. 
--HG--
branch : dtrg-videocore
 2013-05-21 19:18:11 +01:00
David Given 11377070fd Update distribution files. 
--HG--
branch : dtrg-buildsystem
 2013-05-15 23:46:15 +01:00
David Given 07453d184a Top, topgen, aelflod. Moved the libraries back into the platform-specific 
directories --- wrangling descr files was too hard. C programs can be built
for cpm, pc86, linux386, linux68k!

--HG--
branch : dtrg-buildsystem
rename : util/ack/build.mk => util/led/build.mk
rename : util/LLgen/build.mk => util/topgen/build.mk
 2013-05-13 23:26:15 +01:00
David Given 442306d557 Split off some of the platform-independent stuff (such as as and ncg). 
--HG--
branch : dtrg-buildsystem
rename : plat/pc86/build.mk => mach/i386/build.mk
rename : plat/pc86/build.mk => mach/i80/build.mk
rename : plat/pc86/build.mk => mach/i86/build.mk
rename : plat/pc86/build.mk => mach/m68020/build.mk
rename : plat/pc86/build.mk => mach/powerpc/build.mk
 2013-05-13 22:12:46 +01:00
David Given b0c238eb5d Made a start on building the runtimes for each platform and language; the 
Linuxes all build.

--HG--
branch : dtrg-buildsystem
rename : modules/src/em_mes/build.mk => modules/src/read_em/build.mk
rename : plat/pc86/build.mk => plat/linux386/build.mk
rename : plat/pc86/build.mk => plat/linux68k/build.mk
rename : plat/pc86/build.mk => plat/linuxppc/build.mk
rename : util/ack/build.mk => util/misc/build.mk
 2013-05-12 23:51:55 +01:00
David Given c1aca7dae5 First milestone of replacing the build system. 
--HG--
branch : dtrg-buildsystem
rename : lang/cem/cpp.ansi/Parameters => lang/cem/cpp.ansi/parameters.h
 2013-05-12 20:45:55 +01:00
dtrg 54ce3f451b Configured distr system for the 6.0pre3 release. 2007-04-29 23:09:24 +00:00
dtrg 6127ddf024 Fixed the trap code to write out the error message correctly. 2007-04-29 20:47:48 +00:00
dtrg c9d7f7ef23 Added suppot for BSS clearing and command line parsing. 2007-04-29 00:28:06 +00:00
dtrg a7323e1a8b Documented floating-point status. 2007-04-28 22:34:47 +00:00
dtrg be8baf3da6 Added cpm platform. 2007-04-27 22:42:41 +00:00