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f4f89e8e48
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Fix broken argument handling
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2020-01-13 00:50:43 +01:00 |
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cd3da4faab
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WIP on superzazu-based emulator
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2019-12-22 12:57:53 +01:00 |
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23c881edbf
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Remove section in bios interface
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2019-12-22 03:01:29 +01:00 |
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f3612ddb95
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Add 8080 emulator as submodule
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2019-12-22 02:59:52 +01:00 |
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807db4a592
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Throw out previous x86 stuff
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2019-12-22 02:52:40 +01:00 |
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18e9221bf6
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Bootstrap 8080 via DR macro assembler
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2019-12-22 02:37:28 +01:00 |
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d6f1d1ff3d
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CP437.BIN: generate from shipped bitmap
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2019-12-22 02:36:52 +01:00 |
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c3f347d9eb
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Use other font with some more serifs
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2019-12-07 23:00:05 +01:00 |
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c54b2eb90d
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Add CP437 8x8 font
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2019-12-07 18:35:59 +01:00 |
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6fd60f867c
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Fix .gitignore to not ignore parts of src/
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2019-11-29 16:01:09 +00:00 |
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eb67071ffb
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Ubuntu needs stdint.h for uint8_t
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2019-11-24 11:28:39 +00:00 |
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fe319a0caa
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Fix conditional jump instructions not eating their immediate data
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2019-11-15 15:54:37 +00:00 |
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6b1c53dad5
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8080 Emulator can now do most opcodes
Still very buggy
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2019-11-15 14:42:07 +00:00 |
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215fcaf67b
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Add WIP 8080 emulator
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2019-11-15 08:27:58 +00:00 |
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cef35930e9
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Remove attempt of 8086 emulator - not primary target platform
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2019-11-14 21:11:51 +00:00 |
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35593dada1
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Replace fix-rom script with utils binary
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2019-11-09 11:02:27 +00:00 |
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a4697fa666
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Generalize build mechanism for host utils
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2019-11-07 17:39:17 +00:00 |
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ba472e81b2
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bios: Fix wrong word mask in setsec
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2019-11-06 21:49:19 +00:00 |
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a70c7f3be6
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bios: HOME must reset track & sector
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2019-11-06 21:48:55 +00:00 |
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d3f6915af4
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Implement jump table for syscalls
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2019-11-05 20:50:29 +00:00 |
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3a721063f4
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debug.rom: show CS during boot
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2019-11-04 20:35:01 +00:00 |
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8b30a6c5e2
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find root directory for fcb opening
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2019-11-04 13:10:50 +00:00 |
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b164c79f42
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Separate out headers for structures
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2019-10-30 13:10:23 +00:00 |
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a49e3b2610
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Rework BDOS to make use of BIOS entrypoints
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2019-10-29 11:08:11 +00:00 |
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af61db5e40
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Improve memory position handling
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2019-10-28 10:49:42 +00:00 |
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47630b2c03
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Implement boot based on reserved sectors
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2019-10-28 10:38:18 +00:00 |
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74fce7191f
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Add BIOS entrypoints to README
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2019-10-28 09:45:15 +00:00 |
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f81de2bfe8
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Rename kernel to bdos
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2019-10-27 18:59:42 +00:00 |
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d789131eb6
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Merge table for zero page into main memory table
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2019-10-27 18:44:38 +00:00 |
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2b6865dc04
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Clarify BDOS scope
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2019-10-27 17:07:41 +00:00 |
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0ac5679598
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Update memory layout in readme
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2019-10-27 17:06:31 +00:00 |
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757a811988
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Refine opcode 8080 table
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2019-10-25 13:14:15 +00:00 |
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ad8a347d7d
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bios8086: implement CHS disk i/o using int13h
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2019-10-25 13:09:53 +00:00 |
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a016fb0981
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PoC CBIOS
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2019-10-24 23:11:19 +00:00 |
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6e2b65e9c0
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Add 8080 opcode map
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2019-10-22 22:24:51 +00:00 |
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6854176413
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Write some documentation on zero page layout
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2019-10-20 19:57:10 +00:00 |
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da506d36ac
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Preserve AX on buffered input
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2019-10-20 19:45:55 +00:00 |
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f3a6ae338f
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Move out console interfacing into separate file
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2019-10-20 19:11:44 +00:00 |
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e86b1ba004
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Another attempt at implementing a block layer
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2019-10-20 09:56:27 +00:00 |
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6f7fc05171
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log2: implement using left rotate through carry
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2019-10-19 12:51:11 +00:00 |
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6c23ec2fed
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Fix boot order for floppy test
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2019-10-19 12:47:23 +00:00 |
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7d99526b55
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debug.rom: show banner when loaded
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2019-10-18 21:48:29 +00:00 |
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ec4bdf649d
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Rename programs/ to com/
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2019-10-18 14:43:28 +00:00 |
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50e58765b1
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Improve debug rom to catch common exception conditions
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2019-10-18 13:50:42 +00:00 |
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e70386bcfb
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Mask raw directory bit when giving drive number to int13
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2019-10-17 19:19:12 +00:00 |
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b3014ef8e4
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Meh
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2019-10-16 21:09:31 +00:00 |
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4abfab2812
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Test with easier to implement EQU syntax
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2019-10-15 20:37:14 +00:00 |
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7dec8b6c81
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Use nasm compat file to allow custom asm variant
(I dont want to re-implement all those nasm features later)
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2019-10-14 21:04:42 +00:00 |
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66f54f639c
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WIP on fcb io
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2019-10-14 17:59:48 +00:00 |
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a65f54b121
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Advance on FCB disk i/o
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2019-10-12 18:33:26 +00:00 |
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