Commit Graph

200 Commits (main)

Author SHA1 Message Date
xenia b7febd27ef Merge remote-tracking branch 'upstream/main' 2024-03-15 10:33:56 +01:00
Ry b7b8099031 Allow `movz` to work properly when targeting memory 2024-02-23 23:45:18 -08:00
xenia f53aa70d3d Update GitHub workflow 2024-02-04 17:12:10 +01:00
xenia 608f824155 Add nix flakes (makefile is kinda fucked up) 2024-02-04 17:07:19 +01:00
Ry 7777dfd3ae
Merge pull request #20 from eiowlta/main
Register Pointer Offsets, optional low hanging optimization, fixedwidth shift/bit operands
2023-07-23 14:28:22 -07:00
eiowlta fac2865075 updated docs 2023-07-23 14:44:51 +03:00
eiowlta 3180f39514
Merge branch 'fox32-arch:main' into main 2023-07-23 14:37:31 +03:00
eiowlta 5bc6be0a70 single byte operands for bit functions, register pointer offsets 2023-07-21 18:00:07 +03:00
Ry e9780d0a48 docs: Update cpu.md for new `inc`/`dec` instruction behavior 2023-07-20 22:55:20 -07:00
Ry 8dd95f2ffe
Merge pull request #19 from eiowlta/main
allow target field to be used to increment/decrement by 2, 4 or 8 for inc/dec
2023-07-20 16:00:16 -07:00
eiowlta e734528c26 allow dst to be used to increment by 2, 4 or 8 2023-07-20 16:51:37 +03:00
Ry 4bedaa9028 Toggle debug output with F11 2023-07-11 23:02:57 -07:00
Ry 385f879e79
Merge pull request #18 from hyenasky/main
fix the semantics of the HALT instruction
2023-06-06 17:14:47 -07:00
hyenasky 6348e233d0 fix the semantics of the HALT instruction
makes it useful for saving host cpu usage again
2023-06-06 18:06:55 -06:00
Ry f98a9a255f Disable serial port if building for Windows 2023-05-29 18:52:25 -07:00
Ry 08e7168b1d Use spaces instead of tabs in serial.c 2023-04-01 19:09:36 -07:00
Ry d559f63c85 Add RTC port for checking if DST is active 2023-03-24 23:42:42 -07:00
Ry c422bfc271
Merge pull request #17 from hyenasky/main
fix several edge case interactions involving page faults
2023-03-14 16:20:08 -07:00
hyenasky 8c4967cb13 fix several edge case interactions between page faults and instruction execution 2023-03-14 08:24:49 -06:00
Ry 7f482a809a Remove extra new line in disk error messages 2023-03-04 17:00:38 -08:00
Ry 0b9d2f61a3
Merge pull request #16 from theverygaming/main
Improved Makefile
2023-02-22 01:27:04 -08:00
theverygaming 1d6aa605fb better Makefile 2023-02-22 09:59:59 +01:00
Ry 2235d2f5b1
Merge pull request #15 from theverygaming/main
Allow build with emscripten
2023-02-13 17:47:49 -08:00
theverygaming c4810048c1 emscripten 2023-02-13 10:00:06 +01:00
Ry 86760a65c4
Merge pull request #14 from neuschaefer/dev
Documentation improvements
2023-02-05 15:02:49 -08:00
jn e01514440a docs/instructions.md: Sort instructions into groups 2023-02-05 14:05:00 +01:00
jn 2d43212c04 docs/cpu.md: Add comment about operand order 2023-02-05 13:02:22 +01:00
Ry 8a764627c5
Merge pull request #13 from neuschaefer/dev
GitHub CI: Run cputest to catch regressions early
2023-02-02 16:12:01 -08:00
jn eed6fb97ac GitHub CI: Run cputest to catch regressions early 2023-02-02 17:48:46 +01:00
Ry ffeb6f6283
Merge pull request #11 from neuschaefer/dev
Enable input on the serial port
2023-02-02 01:55:02 -08:00
jn 727dc8e0d2 Enable input on the serial port 2023-02-02 10:49:07 +01:00
Ry e6af577da5
Merge pull request #10 from neuschaefer/dev
Refactor physical memory address resolution code
2023-02-01 15:00:07 -08:00
jn c739f8ecb3 Refactor physical memory address resolution code
The physical memory layout is the same whether we use the MMU or not, so
let's implement it only once.
2023-02-01 23:51:15 +01:00
Ry ee4b96db4f
Merge pull request #9 from neuschaefer/dev
docs: Document how the peripherals work
2023-02-01 13:44:15 -08:00
jn 4467185339 docs: Document how the peripherals work 2023-02-01 20:16:40 +01:00
Ry 7719755a52 Cleanly exit if attempting to open non-existent disk
Fixes issue #7.
2023-01-30 14:09:00 -08:00
Ry 157841311d
Merge pull request #8 from neuschaefer/dev
GitHub CI: Bump actions/checkout to v3
2023-01-29 17:00:41 -08:00
jn 8f0f6c9afd GitHub CI: Bump actions/checkout to v3
v2 is deprecated and causes a warning on the Actions page.
2023-01-29 23:28:18 +01:00
Ry 15cf497b89
Merge pull request #6 from neuschaefer/dev
Miscellanea
2023-01-27 15:11:37 -08:00
jn 4758c45171 Fix skipping of CMP instructions 2023-01-27 17:37:10 +01:00
jn 6ddf60fba6 Handle division by zero instead of crashing 2023-01-27 11:33:26 +01:00
jn 1d9de64e5f Print IP and SP in debug mode 2023-01-27 11:33:26 +01:00
Ry c492194360
Merge pull request #5 from neuschaefer/headless
Headless Mode
2023-01-26 17:08:36 -08:00
jn 17f452bacf Add headless mode 2023-01-26 22:24:16 +01:00
jn c1652c34b0 Initialize VM state and scan arguments before initializing SDL 2023-01-26 22:21:41 +01:00
Ry d9f03fe1aa
Merge pull request #4 from neuschaefer/help
fox32: Add --help option
2023-01-20 15:09:44 -08:00
jn 43bc7e661e fox32: Add --help option
It's easier to type --help than to remember the options or look at the
source code.
2023-01-20 16:36:37 +01:00
Ry 4a4d05332b docs: Fix typo 2023-01-13 14:32:38 -08:00
Ry 85c1a87e09 docs: Add iflt and ifgteq to the condition codes list 2023-01-13 14:30:39 -08:00
Ry 6fb4fd884f
Merge pull request #3 from neuschaefer/lowercase
docs: Spell fox32 in lowercase
2022-12-31 18:42:47 -08:00