cb48e628db
kernel stub: force large size to make sure cluster chaining works
2020-04-01 13:09:01 +00:00
1981a8efba
fat32 bs: use BPB include header and base off BP
...
We now set BP once at the start to point to the beginning of the BPB.
Encoding an direct address access can then be done relative to BP, which
saves an immediate byte per access.
2020-03-31 20:03:05 +00:00
9044e3948c
Remove BASE macro and companions
2020-03-31 19:46:59 +00:00
c67894551b
Use directory path for includes, make them use *.asm as extension
2020-03-31 18:43:38 +00:00
73fb2b1e81
Add include file for BPB data
2020-03-31 13:04:13 +00:00
eabb1d9fa9
Properly set up registers when chainloading from boot sector
2020-03-30 20:41:32 +00:00
bc096f41d3
Compact bootloader code
2020-03-30 19:43:07 +00:00
0b2a7e7b64
fat32 bootloader: implement directory recursing and kernel load
...
this is actually working now.
2020-03-30 18:50:17 +00:00
bbe006c9bc
Improve FAT offset calculation
2020-03-30 15:23:51 +00:00
d718777ef6
Mark path to kernel file with +s
...
This is actually a much easier way to find the kernel file than comparing
filenames and helps reducing the size of the bootsector.
2020-03-30 12:35:59 +00:00
955acdacba
Split code up into directories for bs and com binaries
2020-03-30 12:14:47 +00:00
5a24ceb9b8
Implement cluster chaining for FAT
2020-03-28 17:36:52 +00:00
76880e9275
Advance on bootloader: load cluster data
2020-03-25 21:19:40 +00:00
c51dca9949
add kernel stub to distfiles
...
this way i can test if the bootloader works as intended
2020-03-25 20:56:00 +00:00
398395371b
Improve inline commenting
2020-03-23 19:01:23 +00:00
660944e70f
Start working on FAT32 bootloader
2020-03-16 17:24:39 +00:00
65be1051b3
bmp2font: explain
2020-03-16 17:24:16 +00:00
764950b2a1
rename pxe: make clear its a bootloader
2020-03-16 17:23:59 +00:00
b3ae58175c
remove unused file
2020-03-02 22:31:13 +00:00
5eedddd0c9
Improve error handling in fat bs
2020-03-02 22:15:46 +00:00
59dd979feb
Fix missing org for hello.com
2020-03-02 20:45:18 +00:00
7143112a5b
fat: add fread
2020-03-02 20:45:06 +00:00
9288ad46a4
fat: rework bootloader
2020-03-02 19:44:37 +00:00
598a2c0fdf
random fixes
2020-03-02 12:10:21 +00:00
7cfd87b6b4
Add normal hello world program for testing
2020-03-02 11:57:43 +00:00
0f833da221
Boot signature via include
2020-03-01 17:20:03 +00:00
79bedd9013
Fixes for makefile
2020-03-01 17:08:25 +00:00
bc238a3bf9
i still dont know what im doing
2020-03-01 16:45:16 +00:00
4847eb4d88
Revert "Throw out previous x86 stuff"
...
This reverts commit 807db4a592
2020-03-01 12:03:35 +00:00
30ae244ef1
sigh. i dont know
2020-02-28 19:55:00 +00:00
f4f89e8e48
Fix broken argument handling
2020-01-13 00:50:43 +01:00
cd3da4faab
WIP on superzazu-based emulator
2019-12-22 12:57:53 +01:00
23c881edbf
Remove section in bios interface
2019-12-22 03:01:29 +01:00
f3612ddb95
Add 8080 emulator as submodule
2019-12-22 02:59:52 +01:00
807db4a592
Throw out previous x86 stuff
2019-12-22 02:52:40 +01:00
18e9221bf6
Bootstrap 8080 via DR macro assembler
2019-12-22 02:37:28 +01:00
d6f1d1ff3d
CP437.BIN: generate from shipped bitmap
2019-12-22 02:36:52 +01:00
c3f347d9eb
Use other font with some more serifs
2019-12-07 23:00:05 +01:00
c54b2eb90d
Add CP437 8x8 font
2019-12-07 18:35:59 +01:00
6fd60f867c
Fix .gitignore to not ignore parts of src/
2019-11-29 16:01:09 +00:00
eb67071ffb
Ubuntu needs stdint.h for uint8_t
2019-11-24 11:28:39 +00:00
fe319a0caa
Fix conditional jump instructions not eating their immediate data
2019-11-15 15:54:37 +00:00
6b1c53dad5
8080 Emulator can now do most opcodes
...
Still very buggy
2019-11-15 14:42:07 +00:00
215fcaf67b
Add WIP 8080 emulator
2019-11-15 08:27:58 +00:00
cef35930e9
Remove attempt of 8086 emulator - not primary target platform
2019-11-14 21:11:51 +00:00
35593dada1
Replace fix-rom script with utils binary
2019-11-09 11:02:27 +00:00
a4697fa666
Generalize build mechanism for host utils
2019-11-07 17:39:17 +00:00
ba472e81b2
bios: Fix wrong word mask in setsec
2019-11-06 21:49:19 +00:00
a70c7f3be6
bios: HOME must reset track & sector
2019-11-06 21:48:55 +00:00
d3f6915af4
Implement jump table for syscalls
2019-11-05 20:50:29 +00:00
