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d5ba0f3e30
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Remove intr function not in line with int 21h
If we have them, use them for setting up ourselves
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2019-09-10 21:50:58 +00:00 |
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e86bde72f8
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Rework interrupt handling, realign stuff for relative jumps
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2019-09-10 21:38:52 +00:00 |
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e4dec4b14c
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Oi vey, sar is sign-extending, which is not what we want
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2019-09-10 13:44:44 +00:00 |
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cd258ccbe4
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Work on interrupt subfunctions, remove drvtab experiments
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2019-09-08 15:18:37 +00:00 |
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05c7e905d0
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Fix copying of kernel arguments
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2019-09-08 11:00:19 +00:00 |
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b6972dcc69
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Fix floppy VBR: wrong stack location
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2019-09-08 10:03:00 +00:00 |
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e7108f6622
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Fix max argument length 126 -> 127
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2019-09-08 01:05:32 +00:00 |
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d853b87ec7
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Use COM-based format, get bootloader working
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2019-09-08 01:04:01 +00:00 |
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11b4d07dc1
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Split up kernel and debug rom
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2019-09-06 23:42:39 +00:00 |
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4fa383bb2e
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Add basic 21h functions
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2019-09-05 22:24:39 +00:00 |
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b1e9b75693
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Remove unused nop area
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2019-09-04 16:41:07 +00:00 |
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40bd6f5d12
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qemu: Dont try to use display if there is none
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2019-09-04 13:38:32 +00:00 |
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a0adadeaf4
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Add drive table initialisation
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2019-09-03 10:58:06 +00:00 |
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e6e75082e3
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Register IV 1 and 3 per default
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2019-09-01 14:16:47 +00:00 |
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dcbb719488
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Fix broken intr_load, use LDS instruction
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2019-09-01 14:15:26 +00:00 |
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de90b9cfd1
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Routine for loading far ptr from IVT
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2019-09-01 14:05:40 +00:00 |
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809a959608
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Improve register hygiene for interrupt setup
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2019-09-01 13:48:28 +00:00 |
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b5cc332a02
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Remove malloc, pursue a more DOS-like MM approach
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2019-09-01 13:46:48 +00:00 |
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abe7d1c5f4
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Add free_sector
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2019-08-31 12:00:33 +00:00 |
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ffe6eb0904
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Add malloc_sector
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2019-08-31 11:57:15 +00:00 |
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126e3aae74
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implement malloc and free for default 16 byte paragraphs
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2019-08-30 23:15:20 +00:00 |
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f0abe935fd
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Fix crap...
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2019-08-30 22:24:40 +00:00 |
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4e188235f9
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Add malloc table dump
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2019-08-30 22:18:05 +00:00 |
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aec0218ccf
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Mark reserved memory ranges as allocated on start
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2019-08-30 21:48:39 +00:00 |
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9443996f56
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Notes on malloc functions
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2019-08-30 17:43:46 +00:00 |
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385bf15414
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Add malloc
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2019-08-30 17:40:47 +00:00 |
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6b424844e9
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Optimize fix_chs code
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2019-06-24 17:05:57 +00:00 |
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75ebf6dfd9
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Complement gitignore by additional build artifact types
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2019-06-24 16:52:45 +00:00 |
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a0ea232b7c
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Remove attempt of ramdisk layer
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2019-06-24 16:50:51 +00:00 |
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4b35c68345
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debugger: Use opcode order for arithmetic register display
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2019-06-24 16:49:36 +00:00 |
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78d5b6aa28
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Add prototype for serial bootloader
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2019-06-24 16:47:31 +00:00 |
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1259fe14fe
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Rework VBR
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2019-05-19 20:07:08 +00:00 |
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c288bbffb9
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Fix alignment fuckup in VBR
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2019-05-07 17:50:07 +00:00 |
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8aafa98c6a
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Revamp debugger, including support for printing padded numbers
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2019-05-05 11:18:55 +00:00 |
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dab565ee41
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debug ISR: display flags
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2019-05-02 21:06:02 +00:00 |
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9b1c54f5d3
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Disable interrupts during boot
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2019-05-02 20:51:20 +00:00 |
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ff552ac242
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Prevent announce from spoiling DS
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2019-05-02 20:26:11 +00:00 |
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932aa06874
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Add back vendor strings
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2019-05-02 20:25:50 +00:00 |
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5516f05fc2
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Fix makefile for updates
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2019-05-02 20:25:35 +00:00 |
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e47d107b5f
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Remove dosapi stub, not intended to implement
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2019-05-02 20:21:31 +00:00 |
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90c6b3dcca
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Remove unused hma and heap code
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2019-05-02 20:16:37 +00:00 |
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4631808a63
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Remove LISP attempts
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2019-05-02 20:14:42 +00:00 |
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0622188353
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Get rid of pre-tables for interrupts and kprintf
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2019-05-02 20:14:31 +00:00 |
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49ae13c73a
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debug: use printf instead of kprintf
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2019-05-02 20:12:45 +00:00 |
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924f7496c8
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Fix typo in makefile
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2019-05-02 20:11:54 +00:00 |
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bc6a49c54d
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Implement ramdisk i/o, advance kernel printf
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2019-04-28 22:01:30 +00:00 |
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acef5262eb
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Reduce amount of scripts in root directory
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2019-04-21 10:14:06 +00:00 |
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d8fe1b211c
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Change kernel blob format to be option rom compatible
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2019-04-20 21:02:35 +00:00 |
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3b3fa349d4
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Make interrupt landing pads safe against external DS values
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2019-04-16 07:23:22 +00:00 |
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8cdc21b596
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Relocate kernel to 0x01000 per convention
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2019-04-16 07:22:53 +00:00 |
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