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608f824155
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Add nix flakes (makefile is kinda fucked up)
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2024-02-04 17:07:19 +01:00 |
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Ry
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7777dfd3ae
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Merge pull request #20 from eiowlta/main
Register Pointer Offsets, optional low hanging optimization, fixedwidth shift/bit operands
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2023-07-23 14:28:22 -07:00 |
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eiowlta
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fac2865075
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updated docs
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2023-07-23 14:44:51 +03:00 |
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eiowlta
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3180f39514
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Merge branch 'fox32-arch:main' into main
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2023-07-23 14:37:31 +03:00 |
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eiowlta
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5bc6be0a70
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single byte operands for bit functions, register pointer offsets
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2023-07-21 18:00:07 +03:00 |
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Ry
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e9780d0a48
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docs: Update cpu.md for new inc/dec instruction behavior
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2023-07-20 22:55:20 -07:00 |
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Ry
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8dd95f2ffe
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Merge pull request #19 from eiowlta/main
allow target field to be used to increment/decrement by 2, 4 or 8 for inc/dec
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2023-07-20 16:00:16 -07:00 |
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eiowlta
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e734528c26
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allow dst to be used to increment by 2, 4 or 8
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2023-07-20 16:51:37 +03:00 |
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Ry
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4bedaa9028
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Toggle debug output with F11
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2023-07-11 23:02:57 -07:00 |
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Ry
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385f879e79
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Merge pull request #18 from hyenasky/main
fix the semantics of the HALT instruction
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2023-06-06 17:14:47 -07:00 |
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hyenasky
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6348e233d0
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fix the semantics of the HALT instruction
makes it useful for saving host cpu usage again
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2023-06-06 18:06:55 -06:00 |
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Ry
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f98a9a255f
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Disable serial port if building for Windows
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2023-05-29 18:52:25 -07:00 |
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Ry
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08e7168b1d
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Use spaces instead of tabs in serial.c
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2023-04-01 19:09:36 -07:00 |
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Ry
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d559f63c85
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Add RTC port for checking if DST is active
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2023-03-24 23:42:42 -07:00 |
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Ry
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c422bfc271
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Merge pull request #17 from hyenasky/main
fix several edge case interactions involving page faults
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2023-03-14 16:20:08 -07:00 |
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hyenasky
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8c4967cb13
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fix several edge case interactions between page faults and instruction execution
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2023-03-14 08:24:49 -06:00 |
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Ry
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7f482a809a
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Remove extra new line in disk error messages
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2023-03-04 17:00:38 -08:00 |
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Ry
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0b9d2f61a3
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Merge pull request #16 from theverygaming/main
Improved Makefile
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2023-02-22 01:27:04 -08:00 |
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theverygaming
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1d6aa605fb
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better Makefile
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2023-02-22 09:59:59 +01:00 |
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Ry
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2235d2f5b1
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Merge pull request #15 from theverygaming/main
Allow build with emscripten
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2023-02-13 17:47:49 -08:00 |
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theverygaming
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c4810048c1
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emscripten
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2023-02-13 10:00:06 +01:00 |
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Ry
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86760a65c4
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Merge pull request #14 from neuschaefer/dev
Documentation improvements
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2023-02-05 15:02:49 -08:00 |
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jn
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e01514440a
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docs/instructions.md: Sort instructions into groups
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2023-02-05 14:05:00 +01:00 |
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jn
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2d43212c04
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docs/cpu.md: Add comment about operand order
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2023-02-05 13:02:22 +01:00 |
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Ry
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8a764627c5
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Merge pull request #13 from neuschaefer/dev
GitHub CI: Run cputest to catch regressions early
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2023-02-02 16:12:01 -08:00 |
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jn
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eed6fb97ac
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GitHub CI: Run cputest to catch regressions early
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2023-02-02 17:48:46 +01:00 |
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Ry
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ffeb6f6283
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Merge pull request #11 from neuschaefer/dev
Enable input on the serial port
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2023-02-02 01:55:02 -08:00 |
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jn
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727dc8e0d2
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Enable input on the serial port
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2023-02-02 10:49:07 +01:00 |
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Ry
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e6af577da5
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Merge pull request #10 from neuschaefer/dev
Refactor physical memory address resolution code
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2023-02-01 15:00:07 -08:00 |
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jn
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c739f8ecb3
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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.
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2023-02-01 23:51:15 +01:00 |
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Ry
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ee4b96db4f
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Merge pull request #9 from neuschaefer/dev
docs: Document how the peripherals work
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2023-02-01 13:44:15 -08:00 |
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jn
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4467185339
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docs: Document how the peripherals work
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2023-02-01 20:16:40 +01:00 |
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Ry
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7719755a52
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Cleanly exit if attempting to open non-existent disk
Fixes issue #7.
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2023-01-30 14:09:00 -08:00 |
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Ry
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157841311d
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Merge pull request #8 from neuschaefer/dev
GitHub CI: Bump actions/checkout to v3
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2023-01-29 17:00:41 -08:00 |
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jn
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8f0f6c9afd
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GitHub CI: Bump actions/checkout to v3
v2 is deprecated and causes a warning on the Actions page.
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2023-01-29 23:28:18 +01:00 |
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Ry
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15cf497b89
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Merge pull request #6 from neuschaefer/dev
Miscellanea
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2023-01-27 15:11:37 -08:00 |
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jn
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4758c45171
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Fix skipping of CMP instructions
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2023-01-27 17:37:10 +01:00 |
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jn
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6ddf60fba6
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Handle division by zero instead of crashing
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2023-01-27 11:33:26 +01:00 |
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jn
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1d9de64e5f
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Print IP and SP in debug mode
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2023-01-27 11:33:26 +01:00 |
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Ry
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c492194360
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Merge pull request #5 from neuschaefer/headless
Headless Mode
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2023-01-26 17:08:36 -08:00 |
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jn
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17f452bacf
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Add headless mode
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2023-01-26 22:24:16 +01:00 |
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jn
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c1652c34b0
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Initialize VM state and scan arguments before initializing SDL
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2023-01-26 22:21:41 +01:00 |
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Ry
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d9f03fe1aa
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Merge pull request #4 from neuschaefer/help
fox32: Add --help option
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2023-01-20 15:09:44 -08:00 |
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jn
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43bc7e661e
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fox32: Add --help option
It's easier to type --help than to remember the options or look at the
source code.
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2023-01-20 16:36:37 +01:00 |
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Ry
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4a4d05332b
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docs: Fix typo
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2023-01-13 14:32:38 -08:00 |
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Ry
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85c1a87e09
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docs: Add iflt and ifgteq to the condition codes list
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2023-01-13 14:30:39 -08:00 |
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Ry
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6fb4fd884f
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Merge pull request #3 from neuschaefer/lowercase
docs: Spell fox32 in lowercase
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2022-12-31 18:42:47 -08:00 |
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jn
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efdf7815e1
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docs: Spell fox32 in lowercase
As requested by @ry755: https://github.com/fox32-arch/fox32/pull/2#issuecomment-1368289018
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2023-01-01 03:29:39 +01:00 |
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Ry
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a1d1e34e59
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Merge pull request #2 from neuschaefer/doc
fox32 architecture documentation
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2022-12-31 14:40:54 -08:00 |
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jn
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571729dafa
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docs: Add more documents (but they're unfinished)
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2022-12-31 12:56:19 +01:00 |
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