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Author SHA1 Message Date
carl 0f75cc09ad Better ANSI C compatibility and portability - part 1: 
+ Addition of function prototypes.
+ Change function definitions to ANSI C style.
+ Convert to sed scripts some shell scripts for better portability.
+ Reduce usage of em_path.h
 2019-02-19 00:54:23 +08:00
carl 4555c1c8cf Better ANSI C compatibility and portability - part 1: 
+ Addition of function prototypes.
+ Change function definitions to ANSI C style.
+ Convert to sed scripts some shell scripts for better portability.
+ Reduce usage of em_path.h
 2019-02-19 00:54:23 +08:00
carl fdf5da62d7 Better ANSI C compatibility and portability - part 1: 
* Adapt to new sys_filesize prototype.
 2019-02-19 00:54:23 +08:00
carl 796317e0e3 Better ANSI C compatibility and portability - part 1: 
* Adapt to new sys_filesize prototype.
 2019-02-19 00:54:23 +08:00
carl 2e1c7c37e7 Better ANSI C compatibility and portability - part 1: 
+ Addition of function prototypes.
+ Change function definitions to ANSI C style.
+ Convert to sed scripts some shell scripts for better portability.
+ Reduce usage of em_path.h
 2019-02-19 00:54:23 +08:00
carl 3ee29a17e9 Better ANSI C compatibility and portability - part 1: 
+ Addition of function prototypes.
+ Change function definitions to ANSI C style.
+ Convert to sed scripts some shell scripts for better portability.
+ Reduce usage of em_path.h
 2019-02-19 00:54:22 +08:00
David Given 52aa22dc80 Fix typo. 2019-02-18 11:04:23 +01:00
David Given 12a0421988 Minor improvements to the way types are expanded (should avoid embarassing ands 
with 0xff).
 2019-02-17 10:09:22 +01:00
David Given c4ff0899dc
Merge pull request #171 from davidgiven/dtrg-comparisons 
i80: a few more minor fixes
 2019-02-16 01:23:27 +01:00
David Given 61d623c4d6 Add a few minor top optimisations. 2019-02-16 01:18:31 +01:00
David Given 6a8b298861 Fix typo where I was confusing sbi and sui, with hilarious results. 2019-02-16 01:18:21 +01:00
David Given dfd75c770b
Merge pull request #170 from davidgiven/dtrg-i169 
Fix driver crash when using -R
 2019-02-15 23:56:00 +01:00
David Given 245478a030 Fix memory corruption when using -R; the values being stored in the list 
weren't freeable when they should have been.
 2019-02-15 23:40:42 +01:00
David Given e976e10708 Reformat before editing. 2019-02-15 23:24:10 +01:00
David Given d4d5eee1cd
Merge pull request #168 from davidgiven/dtrg-i167 
i80: fix large stack frames
 2019-02-15 23:12:12 +01:00
David Given 4474d6433a Loading large constants now computes the stack offset correctly. 2019-02-15 23:03:01 +01:00
David Given 34c67698ef Generate the proper function prologues for big stack frames. 2019-02-15 23:01:33 +01:00
David Given e1ddbf969a
Merge pull request #166 from davidgiven/dtrg-comparisons 
i80: grabbag of optimisations
 2019-02-15 22:54:13 +01:00
David Given 8ca4d6ea1e Cleanup. 2019-02-15 22:26:14 +01:00
David Given c9467b683a Add rules for converting smallnconst2 and smallpconst2 to registers, to stop 
the conversion from happening via the stack. Star Trek goes from 39450 to 39384
bytes.
 2019-02-15 22:20:07 +01:00
David Given afd45acb89 Using regpair instead of hl_or_de is not, in fact, safe until we've stopped 
using bc.
 2019-02-15 21:38:17 +01:00
David Given d63a359a49 Fix nearly all the comparisons, a lot of which were broken. Using a rst for 
unsigned comparisons is surprisingly not that useful due to marshalling
overhead; it's only four bytes to do inline (plus jc), or six for a constant.
Also add some useful top optimisations.  Star Trek goes from 39890 to 39450
bytes.
 2019-02-15 21:30:27 +01:00
David Given 91c75f81b5 Call cmps rather than cmpu for bge... make cmps and cmpu rsts. Apply various 
other tiny optimisations.
 2019-02-15 00:38:39 +01:00
David Given 2924ce8ffa Use nicely optimised helper tools to do signed comparisons of words. Star Trek 
goes from 40452 to 39890 bytes.
 2019-02-14 23:57:55 +01:00
David Given 0694cf34b0
Merge pull request #165 from davidgiven/dtrg-b164 
i80: fix bad code in inl using faddrn
 2019-02-14 23:29:41 +01:00
David Given 3c3d2a4520 Fix bad helper tool invocation for inl with faddrn. 2019-02-14 23:21:47 +01:00
David Given cf6041c57f Add failing test case. 2019-02-14 23:19:11 +01:00
David Given 44c8b53a2d
Merge pull request #163 from davidgiven/dtrg-regmoves 
i80: fix pathological behaviour in asp
 2019-02-14 00:13:41 +01:00
David Given 8eaa11ac72 Turns out that every time the compiler tried to do a stack retraction with asp, 
it would flush registers onto the stack. This stops it doing this. Star Trek
goes from 40779 to 40452 bytes.
 2019-02-14 00:05:08 +01:00
David Given 2deead3d3d
Merge pull request #161 from davidgiven/dtrg-faststack 
i80: use helper functions for stack access
 2019-02-13 22:56:18 +01:00
David Given 6e3ba8e9a0 Merge from default. 2019-02-13 22:46:00 +01:00
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 f70659f460 Don't do weird things if files starting with a hyphen exist in the build 
directory.
 2019-02-13 22:42:05 +01:00
David Given 37ded7e65d
Merge pull request #160 from davidgiven/dtrg-b159 
i80, powerpc, mips: fix issue with logical operations and signed small constants
 2019-02-13 21:16:06 +01:00
David Given 8200f041c2 Fix issue with logical operations and small signed constants which turned out 
to affect multiple platforms.
 2019-02-13 20:56:10 +01:00
David Given eb57db75a4 Update test case to provoke bug. 2019-02-13 20:10:38 +01:00
David Given 55f3880f43
Merge pull request #158 from davidgiven/dtrg-b157 
i80: fix bad code in comparisons
 2019-02-12 22:29:01 +01:00
David Given f4b45f1ed7 Fix bad code generation due to not correctly flushing the stack before 
comparisons.
 2019-02-12 22:19:07 +01:00
David Given a2b5202081 Added a test case for #157. 2019-02-12 22:08:08 +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
David Given 360e1525ae Replace the non-working Z80 style signed comparison sign adjustment with 
something which actually works on the 8080. Sadly, Star Trek is up to
40243 bytes again.
 2019-02-12 11:57:37 +01:00
David Given ee716754d3
Merge pull request #156 from davidgiven/dtrg-arraysizes 
i80: add 8085 instruction support
 2019-02-11 21:35:16 +01:00
David Given e8994afdf0 Apply Alan Cox's patch to add the 8085 extended instructions to the i80 
assembler.
 2019-02-11 21:14:35 +01:00
David Given ae6ea14e93
Merge pull request #155 from davidgiven/dtrg-arraysizes 
i80: fix signed comparisons
 2019-02-11 21:09:52 +01:00
David Given f1b128baeb Signed comparisons now work correctly; sadly, Star Trek increases from 39656 to 
39726 bytes. Note that the emulator doesn't set P/V correctly and all the tests
fail. Testing in z80ex works fine.
 2019-02-11 20:46:06 +01:00
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 1564e65c2d Add tests for simple comparisons (which i80 fails). 2019-02-10 23:39:15 +01:00
David Given 3991a0db3a
Merge pull request #153 from davidgiven/dtrg-i80 
i80: more code generator improvements
 2019-02-10 19:45:00 +01:00