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| author | Kartik K. Agaram <vc@akkartik.com> | 2021-03-15 21:54:58 -0700 |
|---|---|---|
| committer | Kartik K. Agaram <vc@akkartik.com> | 2021-03-15 21:54:58 -0700 |
| commit | 2f251aec4d4577ba222da170c2d0e9a00724bac7 (patch) | |
| tree | 0e0837aea4435e3f09d32fbc25adba86c7a792df | |
| parent | 7119d79b8a9a4023414f7664a011e40fafb44dfd (diff) | |
| download | mu-2f251aec4d4577ba222da170c2d0e9a00724bac7.tar.gz | |
undo previous commit
It was just an experiment.
| -rw-r--r-- | boot.bochsrc | 1 | ||||
| -rw-r--r-- | boot.subx | 14 |
2 files changed, 0 insertions, 15 deletions
diff --git a/boot.bochsrc b/boot.bochsrc index 360cbe40..a1c8a4bc 100644 --- a/boot.bochsrc +++ b/boot.bochsrc @@ -10,7 +10,6 @@ display_library: sdl2 ata0-master: type=disk, path="disk.img", mode=flat, cylinders=20, heads=16, spt=63 # 10MB, 512 bytes per sector -ata1-master: type=disk, path="data.img", mode=flat, cylinders=20, heads=16, spt=63 # 10MB, 512 bytes per sector boot: disk # PS/2 mouse requires black magic that I don't know how to explain. log: - diff --git a/boot.subx b/boot.subx index 7f278c33..412940d6 100644 --- a/boot.subx +++ b/boot.subx @@ -109,20 +109,6 @@ bb/copy-to-bx 0/imm16 8e/->seg 3/mod/direct 3/rm32/bx 0/r32/es - # write 1 sector of disk to disk 1 - b4/copy-to-ah 3/imm8 # write sectors to disk - b2/copy-to-dl 0x81/imm8 # disk 1 - b5/copy-to-ch 0/imm8 # cylinder 0 - b6/copy-to-dh 0/imm8 # track 0 - b1/copy-to-cl 1/imm8 # first sector, 1-based - b0/copy-to-al 1/imm8 # number of sectors to write - # address to read sectors from = es:bx = 0x7c00, contiguous with boot segment - bb/copy-to-bx 0/imm16 - 8e/->seg 3/mod/direct 3/rm32/bx 0/r32/es - bb/copy-to-bx 0x7c00/imm16 - cd/syscall 0x13/imm8/bios-disk-services - 0f 82/jump-if-carry disk_error/disp16 - # adjust video mode b4/copy-to-ah 0x4f/imm8 # VBE commands b0/copy-to-al 2/imm8 # set video mode |