 Nero
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de04b5ca01
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Make logging in drive a no-op if drive already logged in
|
2020-12-17 00:41:53 +00:00 |
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Nero
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bd3b27362d
|
skip reads when sector number already matches
|
2020-12-17 00:10:02 +00:00 |
|
Nero
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e096745c13
|
Implement map-like sector access for floppy drives
|
2020-12-15 23:29:35 +00:00 |
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Nero
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8c3d61e68d
|
Remove reserved sectors from generated disk, not needed anymore
|
2020-12-15 20:38:48 +00:00 |
|
Nero
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c0bd238d54
|
New bootsect program to dump bios data area, aid for debugging hw
|
2020-12-15 20:16:42 +00:00 |
|
Nero
|
6bdb1da2ed
|
Read disk geometry and DPT from BIOS
|
2020-10-30 09:29:22 +00:00 |
|
Nero
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c06c6ac918
|
fat vbr: fix incorrect addition of partition offset
|
2020-10-25 14:22:53 +00:00 |
|
Nero
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50aa6e4eec
|
Use uppercase non-struct constants for BPB
|
2020-10-25 09:15:33 +00:00 |
|
Nero
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dc6035fe9d
|
Protypical implementation of DPT copying
|
2020-10-24 22:50:23 +00:00 |
|
Nero
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33f4fe37a8
|
Makefile: Fix KVM detection to not trigger on weird ass make versions
|
2020-10-20 21:03:47 +00:00 |
|
Nero
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ca3eebd692
|
Remove fields from BPB that are EBPB actually
This is just a trick so i can use bpb_size in the kernel later,
omitting things that are not relevant to interfacing the FS.
|
2020-10-15 20:20:17 +00:00 |
|
Nero
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7b18c6d236
|
fix bpb struc: forgot single byte for flags
|
2020-10-14 20:16:43 +00:00 |
|
Nero
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c41782c78f
|
Build drive selection logic for FCBs
|
2020-10-13 20:10:23 +00:00 |
|
Nero
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4e779c5a22
|
Lay out skeletons for FCB handling
|
2020-10-11 21:33:01 +00:00 |
|
Nero
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31c6ef5876
|
boot/kernel: print banner
|
2020-09-27 15:45:19 +00:00 |
|
Nero
|
729e6790ef
|
boot/fat: Save a byte restoring DL
|
2020-09-27 15:10:28 +00:00 |
|
Nero
|
909349a4cf
|
boot/fat: Shave off a byte by storing final address on stack
|
2020-09-27 11:25:57 +00:00 |
|
Nero
|
386e91b4c8
|
boot/fat: Fix incorrect initialisation of dx
|
2020-09-27 10:48:05 +00:00 |
|
Nero
|
2dc6970721
|
boot/fat: Use segmentation to allow up to 64Kb fat/kernel size
|
2020-09-27 10:40:42 +00:00 |
|
Nero
|
adf67d9723
|
Rework fat boot sector, load FAT only once instead of partial
|
2020-09-23 23:01:50 +00:00 |
|
Nero
|
31eac279c2
|
Revert to more sensible kernel.bs boot scheme
I think i should consider it a necessity that the kernel is accessible
as a regular file. This makes installing rdos on another blockdev
much easier.
|
2020-09-20 19:58:19 +02:00 |
|
Nero
|
8ed9fe7465
|
Fix hdd booting using bpb struc
|
2020-09-19 08:22:50 +00:00 |
|
Nero
|
1d64c2364d
|
Improve build transparency (documentation and inline version number)
|
2020-09-17 08:59:22 +00:00 |
|
Nero
|
e1bfaa5d88
|
automatically use kvm if available
|
2020-09-17 06:47:32 +00:00 |
|
Nero
|
8e87cf0f75
|
Load kernel from reserved sectors in fatfs
|
2020-09-17 05:57:46 +00:00 |
|
Nero
|
1ee0637eab
|
Update goals
|
2020-09-15 22:02:38 +02:00 |
|
Nero
|
9cd4c04c42
|
Make kernel and fat.bs use BPB struct
|
2020-09-15 21:45:29 +02:00 |
|
Nero
|
303b1756e0
|
Fuck up the kernel, i have other ideas now
|
2020-09-15 21:44:32 +02:00 |
|
Nero
|
4b5993cfa9
|
WIP of asm86
|
2020-09-15 21:44:13 +02:00 |
|
Nero
|
79c902c197
|
kernel: Fix borked ax assignment
|
2020-08-31 20:21:10 +00:00 |
|
Nero
|
352540bd25
|
kernel: First steps of calculating drive tab data from BPB
|
2020-08-31 20:11:05 +00:00 |
|
Nero
|
cc3fe6c4ee
|
kernel: fix banner printing
|
2020-08-27 21:01:41 +00:00 |
|
Nero
|
f0a000b7d1
|
kernel: implement diskio using drive table
|
2020-08-27 20:52:16 +00:00 |
|
Nero
|
4a294ee21c
|
kernel: fix advancing of drive table pointer during drive init
|
2020-08-22 23:38:11 +00:00 |
|
Nero
|
3b39572043
|
kernel: fall back to defaults if int 13h/ah=8 spews bogus data
|
2020-08-22 23:36:25 +00:00 |
|
Nero
|
ff3a59c71e
|
kernel: properly loop over floppies
|
2020-08-22 23:36:09 +00:00 |
|
Nero
|
c3f22e5aea
|
remove docs
|
2020-08-15 21:16:50 +00:00 |
|
Nero
|
fde87d651c
|
kernel: read A: geometry from BIOS
|
2020-08-15 21:15:31 +00:00 |
|
Nero
|
734ab3852a
|
Remove skeleton of rom-based kernel
|
2020-08-15 21:02:30 +00:00 |
|
Nero
|
c604fd43e7
|
Remove attempt of rom-based debugger
|
2020-08-15 20:59:40 +00:00 |
|
Nero
|
d6b5792ff7
|
Make dprintf the default debugging facility
|
2020-08-15 20:58:40 +00:00 |
|
Nero
|
626b7e5624
|
Add struc for disk parameter table
|
2020-08-15 18:30:17 +00:00 |
|
Nero
|
a90ca60422
|
Add first steps of another assembler attempt
|
2020-07-19 12:07:03 +02:00 |
|
Nero
|
5382edc2ae
|
Improve ordering of binary data in kernel
|
2020-07-04 10:35:38 +02:00 |
|
Nero
|
f9b180ea57
|
Implement file descriptor table and CON as file descriptor
|
2020-06-28 19:01:14 +02:00 |
|
Nero
|
65564b78af
|
Start working on rom-based kernel
|
2020-05-29 00:32:30 +02:00 |
|
Nero
|
04a7087d79
|
debug: First steps on instruction decoding
|
2020-05-19 23:10:20 +02:00 |
|
Nero
|
e60e49735c
|
debug: Add stub for instruction decoding
|
2020-05-19 18:26:22 +02:00 |
|
Nero
|
a31e574b3a
|
debug: Split commands into thematically organized files
|
2020-05-18 23:43:54 +02:00 |
|
Nero
|
8056ad5cfb
|
debug: commands are now always typed uppercase
|
2020-05-18 23:12:58 +02:00 |