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a31e574b3a
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debug: Split commands into thematically organized files
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2020-05-18 23:43:54 +02:00 |
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8056ad5cfb
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debug: commands are now always typed uppercase
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2020-05-18 23:12:58 +02:00 |
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d264404bb1
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debug: print register name when changing register
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2020-05-18 22:50:30 +02:00 |
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8407275ba9
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debug: Implement number parsing and editing of registers
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2020-05-18 22:35:41 +02:00 |
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a386416f28
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debug: fix check if there are arguments
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2020-05-18 20:17:58 +02:00 |
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fc1aa47039
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debug: Implement parsing of register names
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2020-05-18 20:05:06 +02:00 |
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2a7087a21f
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debug: Reduce stack usage on entry from 5 to 4 words
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2020-05-18 18:23:37 +02:00 |
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9ce6ec5476
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debug: Rework repl loop and implement help command '?'
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2020-05-17 22:46:11 +02:00 |
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31a72d594a
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debug: fix missing PnP product name string terminator
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2020-05-17 18:09:50 +02:00 |
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e30f99c1a7
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debug.rom: Allocate lowmem segment instead of full relocate
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2020-05-16 13:10:21 +00:00 |
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e217b70bb7
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Remove CP437 bitmap, i dont intend to use graphics mode for OS
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2020-05-14 19:18:34 +00:00 |
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df9f50c29a
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Remove leftover gitmodules
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2020-05-14 19:17:34 +00:00 |
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1647e70cae
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debug.rom: Implement cheapo versions of g and t commands
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2020-05-13 21:30:43 +00:00 |
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47037ad708
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debug rom: implement cmd loop
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2020-05-13 19:48:57 +00:00 |
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064b6ff6af
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debug.rom: re-implement displaying flags and returning to code
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2020-05-12 21:27:48 +00:00 |
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c8adeb35d2
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Drop debug.drv, rework debug rom instead
|
2020-05-12 20:47:34 +00:00 |
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2569dde385
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Add WIP for new debugger
|
2020-05-11 22:23:27 +00:00 |
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5129a5499e
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Implement calculation of number of clusters
|
2020-05-11 21:19:51 +00:00 |
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efb5ad146c
|
Dummy for loading rdos drvs via option rom
|
2020-05-11 20:50:32 +00:00 |
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1b42f1a480
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Implement calculation for FAT position
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2020-05-10 16:47:48 +00:00 |
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2cb39a4ff1
|
Implement lba read
|
2020-05-08 20:48:23 +00:00 |
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a472c396e7
|
Implement reading of BPB from FAT partition
|
2020-05-07 22:56:37 +00:00 |
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8d28dc9f85
|
Implement reading of partition offset and size
|
2020-05-06 20:28:30 +00:00 |
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9377924eab
|
Implement reading geometry info from floppy BPB
|
2020-05-04 19:49:26 +00:00 |
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6317d48396
|
Write down some roadmap
|
2020-05-03 19:05:00 +02:00 |
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36f4673c91
|
Another attempt on disk i/o
|
2020-05-02 23:57:23 +02:00 |
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404825387b
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mbr: make use of BPB includes
|
2020-04-30 20:22:14 +02:00 |
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6d1befb49f
|
kernel/diskio: EBIOS access is first class citizen in kernel
|
2020-04-28 22:09:56 +02:00 |
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b73bfbe043
|
Split out kernel components in kernel/
|
2020-04-27 15:56:41 +02:00 |
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2d949a01f8
|
Implement whacky first version for 25h disk read
|
2020-04-26 23:14:34 +02:00 |
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43e5cd6379
|
Direct console input: Dont return non-ascii keypresses
|
2020-04-25 21:54:15 +02:00 |
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|
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da41f6b0e2
|
Rework early startup and fix bss memory reservation
|
2020-04-23 21:49:10 +02:00 |
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|
4804bf28ea
|
Place variables into area after binary
|
2020-04-23 21:36:20 +02:00 |
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3619a20703
|
Implement some console i/o
|
2020-04-23 21:35:28 +02:00 |
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035b69db10
|
fat.bs: Implement correctly for FAT12
|
2020-04-22 21:45:40 +02:00 |
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34ef468aa9
|
fat.bs: Smaller BPB size when not FAT32
|
2020-04-22 21:45:06 +02:00 |
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63e85af62f
|
Fix building of hdd image
|
2020-04-22 21:44:43 +02:00 |
|
|
|
abc7b563cd
|
Revamp MBR
New features:
- ES:DI (potential PnP structure) is preserved
- FAT detection now works by checking for BPB values
- Uses booterr procedure
|
2020-04-21 23:27:00 +02:00 |
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bbfcd42f61
|
Set up interrupt table at startup directly (less code), not calling setint
|
2020-04-21 20:22:42 +02:00 |
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94829aed1e
|
qemu-hdd: Use hdd image with full partition table
|
2020-04-21 20:22:32 +02:00 |
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22c1d45e59
|
Start document on EGA video
|
2020-04-20 21:41:42 +02:00 |
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|
13e32675a1
|
Ship documentation on bios data area
|
2020-04-20 21:24:29 +02:00 |
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f8788720f5
|
Implement int 28h: Idle callout
|
2020-04-20 19:21:02 +02:00 |
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40065266f3
|
Implement int 29h: Fast console output
|
2020-04-20 19:20:43 +02:00 |
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c5088789f9
|
Proof kernel against being invoked via 0x7C0:0
|
2020-04-19 15:14:10 +02:00 |
|
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97f26c1f89
|
Remove stack switching, implement some syscalls
|
2020-04-19 00:35:31 +02:00 |
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c1c012c5fc
|
Make getint and setint reuse cs segment
|
2020-04-18 23:44:16 +02:00 |
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|
4a92c4bc1e
|
Drop MCBs as mean to manage memory
|
2020-04-18 22:59:46 +02:00 |
|
|
|
f7d3d5c62f
|
Fix addressing mistake when splitting MCB
|
2020-04-17 23:59:57 +02:00 |
|
|
|
6d38a313c7
|
Implement MCB splitting
|
2020-04-17 23:33:42 +02:00 |
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