xenia/fox32
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97 Commits 1 Branch 0 Tags 1,020 KiB
56e41e3915
Commit Graph

82 Commits

Author SHA1 Message Date
Ry
56e41e3915 Ensure the MMU gets re-enabled if we fail to read an interrupt vector 2022-09-18 18:22:40 -07:00
Ry
eba264db70 Add rfp register, remove debug message about intruction pointer == None 2022-09-18 16:30:52 -07:00
Ry
f7b2320138 No longer use setjmp/longjmp to ensure things are atomic 2022-09-18 16:21:35 -07:00
Ry
3aaebeaf3e Always allow exceptions to occur, regardless of interrupt flag state 2022-09-17 14:51:18 -07:00
Ry
bf48300f2f Open disks as read-write 2022-09-17 00:15:39 -07:00
Ry
9059889d3d Ensure register pointers read the requested size, not always 32 bit 2022-09-16 23:29:16 -07:00
Ry
1211d4fdcc Use a more reliable method for detecting key presses 2022-09-16 18:34:16 -07:00
Ry
4a18af8f81 Allow switching the stack pointer automatically on interrupts/exceptions 2022-09-16 17:29:58 -07:00
Ry
3ce3af511e Hack memory writes to use longjmp if a page fault occurs 2022-09-16 00:27:23 -07:00
Ry
8259e5787e Fix an issue where write faults sometimes return the *physical* address 2022-09-15 23:59:46 -07:00
Ry
d30dad4797 Potentially fix a double page fault issue under certain conditions 2022-09-15 23:41:46 -07:00
Ry
02f3d04f4f Make page faults on page boundaries return the correct address 2022-09-15 18:35:17 -07:00
Ry
b55d7deb36 Page fault on writes to unmapped physical memory 2022-09-15 17:28:56 -07:00
Ry
8be5c65c73 Fix many issues relating to paging, split page fault into 2 vectors 2022-09-15 17:17:29 -07:00
Ry
3df3a98f3c Rework the paging system a little bit, add FLP instr., bump ver to 0.5.0 2022-09-13 17:34:37 -07:00
Ry
9970a04cc9 Implement an RTC, bump version to 0.4.0 2022-09-09 16:16:09 -07:00
Ry
38f81ce4e3 Move fox32.rom into the src folder 2022-08-18 23:18:27 -07:00
Ry
e630e15661 Don't fail to build if building outside of a git repo 2022-08-18 23:16:26 -07:00
Ry
7fd8d36281 Actually implement paging properly, bump version to 0.3.1 
I was mixing up the virtual and physical addresses, oops
 2022-08-15 19:43:28 -07:00
Ry
82edb1d8da Implement paging, bump version to 0.3.0 
This works in a similar way to x86's paging, by using page directories
which point to page tables, which point to physical addresses.
 2022-08-15 17:40:04 -07:00
Ry
17b14dd72f Remove the unused f32 file type, bump version to 0.2.1 2022-08-09 23:33:00 -07:00
Ry
4b506f3e65 Add int instruction, bump version to 0.2.0 2022-08-09 02:04:46 -07:00
Ry
ad6f402179 Add 3 additional audio channels for a total of 4 2022-08-09 01:37:21 -07:00
Ry
881b9c1620 Embed fox32rom into the main fox32 executable, prepare for 1st release 2022-07-31 17:15:27 -07:00
Ry
2d6730bb0b Allow adjusting the audio sample rate 2022-07-27 18:29:32 -07:00
Ry
8e4f2bc114 First audio buffer refill interrupt should play from buffer 0 2022-07-27 14:24:05 -07:00
Ry
d2d05f2d76 Hack to ensure the CPU thread exits when the window is closed 2022-07-27 14:09:54 -07:00
Ry
537b774667 Move the audio buffer locations into consts 
No more magic values!!!
 2022-07-26 15:54:44 -07:00
Ry
dfadccd68c Use a const for the framebuffer address 2022-07-24 17:08:45 -07:00
Ry
953b2cfffe Don't print the scancode on every key press 2022-07-24 16:57:28 -07:00
Ry
bd7eba3ddb Remove fox32core support 
This works around the issue with building on Windows.
 2022-07-23 17:56:09 -07:00
Ry
940023f47b Allow passing multiple arguments to mount multiple disks 2022-06-21 19:37:56 -07:00
Ry
c07eec2761 Fix application icon file 2022-06-21 00:31:11 -07:00
Ry
79517de317 fox32: Allow reading back the playing state from the audio IO port 2022-06-20 17:13:18 -07:00
Ry
e8960c569f fox32+fox32asm: Remove pow instruction 2022-05-30 00:48:19 -07:00
Ry
5deb4fd8f8 fox32: Add support for audio playback 2022-05-25 16:15:39 -07:00
Ry
a8d92c69b2 fox32+fox32core: Rework the interrupt system a little bit 2022-05-16 23:52:07 -07:00
Lua MacDougall
81ccead64c fox32: revert changes to release profile, switched back to step 2022-05-12 15:08:36 -07:00
Lua MacDougall
e6b74a3ae0 fox32: use resume with high count for core runtime, update release 2022-05-12 14:44:03 -07:00
Lua MacDougall
cb95b2b112 fox32: add FOX32_DEBUG environment variable 2022-05-12 14:11:11 -07:00
Lua MacDougall
fd3b83a15b fox32: added fox32core support :3 2022-05-12 01:37:55 -07:00
Ry
83a5d14775 fox32: Allow disks to be removed 2022-04-17 14:28:41 -07:00
Ry
7f796dd989 fox32: Dump RAM if bad opcode 2022-04-17 13:29:17 -07:00
Lua MacDougall
a8ff66c3a0 fox32: fix stack overflow when initializing memory 2022-04-16 23:30:54 -07:00
Ry
fb3d681f55 fox32+fox32rom: Add EVENT_TYPE_MOUSE_RELEASE 2022-04-16 15:15:03 -07:00
Ry
e7f81afa50 fox32: Reading/writing unmapped memory is now an error 2022-03-23 11:54:32 -07:00
Ry
1f89b59f83 fox32: Start implementing keyboard input support 2022-03-18 21:36:44 -07:00
Ry
22c7b26317 fox32: Use logo as window icon :3 2022-03-12 17:11:54 -08:00
Ry
93d331bb07 fox32+fox32rom: Use DMA for the disk controller 
Instead of accessing one byte at a time, use a DMA-like system to
read/write a whole sector at a time directly to/from memory.
 2022-03-12 13:12:10 -08:00
Ry
998646cb80 fox32+fox32asm: Add proper support for greater than and less than 
This adds IFGT, IFGTEQ, IFLT, and IFLTEQ, which makes it easier to
check for these conditions.
 2022-03-12 12:15:27 -08:00