 Nero
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2c13f25c30
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More instructions for awkasm
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2023-11-15 18:50:21 +00:00 |
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Nero
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cb59338554
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awkasm: add bit instructions and refine
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2023-01-05 13:08:58 +00:00 |
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Nero
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61d3688581
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Implement addition expressions, critical expressions, proper modrm
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2023-01-02 01:37:05 +00:00 |
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Nero
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6f8a24927a
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Remove nasm dependency
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2023-01-01 21:47:17 +00:00 |
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Nero
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d89c916711
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awkasm: fix error message
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2023-01-01 21:45:04 +00:00 |
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Nero
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62975f81b9
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Support boot sectors that i dont want to support anymore
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2023-01-01 21:44:36 +00:00 |
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Nero
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441bcbf40f
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chartab: migrate to com format and awk assembler
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2023-01-01 21:42:02 +00:00 |
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Nero
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50b98bf7af
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Fix elf files not being affected my make clean
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2023-01-01 21:41:22 +00:00 |
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Nero
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5100d1d84e
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Improve assembler: can now properly assemble lain.com
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2023-01-01 21:09:31 +00:00 |
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Nero
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77b1ad7cef
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resume working; import awk-based assembler
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2023-01-01 21:09:31 +00:00 |
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Nero
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e48ae306ba
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ccp: be more careful with cleaning up fcb area
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2022-01-18 22:41:14 +00:00 |
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Nero
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ea732be8ec
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ccp: implement type command
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2022-01-18 22:22:42 +00:00 |
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Nero
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f35a4f2170
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ccp: implement dir command
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2022-01-18 20:20:10 +00:00 |
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Nero
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105183837d
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Implement filename->FCB parsing and command line reading
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2022-01-18 19:38:32 +00:00 |
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Nero
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0bd59dd252
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Remove remnants from earlier kernel attempts
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2022-01-01 21:27:08 +00:00 |
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Nero
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f7d7f48026
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Implement syscall interface and version data
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2022-01-01 21:22:37 +00:00 |
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Nero
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576b2c6546
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kernel: add syscall handling stub
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2022-01-01 03:42:01 +00:00 |
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Nero
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c0b8c107c4
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Remove leftovers from previous experiments
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2021-12-29 01:08:27 +00:00 |
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Nero
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c58f367330
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makefile: allow creation of .hex files
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2021-12-29 00:46:52 +00:00 |
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Nero
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9b87b9fe66
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Move in char functions
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2021-12-29 00:46:02 +00:00 |
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Nero
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f1c414bb26
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implement bpb parsing
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2021-12-20 20:08:37 +00:00 |
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Nero
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e26adff688
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Workstate on disk I/O rework
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2021-12-16 12:27:23 +00:00 |
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Nero
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79a86bad49
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host/sys: use segment 60h for kernel
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2021-12-14 18:07:52 +00:00 |
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Nero
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e2d244a919
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remove bios roms
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2021-12-14 17:46:40 +00:00 |
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Nero
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02a7627734
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makefile: Add size output for generated binaries
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2021-12-14 17:44:39 +00:00 |
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Nero
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95381ffdc3
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makefile: cosmetics
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2021-12-14 17:44:18 +00:00 |
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Nero
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b7d596d758
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kernel: integrate existing farptr and drive code
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2021-12-14 17:43:47 +00:00 |
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Nero
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a3dfd2c36c
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add BPB definitions as stand-alone include
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2021-12-14 15:24:36 +00:00 |
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Nero
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467054def6
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sys: calculate length of cluster series
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2021-12-14 15:23:49 +00:00 |
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Nero
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cfadc73493
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sys: implement boot sector code plus target track calculation
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2021-12-13 18:45:36 +00:00 |
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Nero
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b8672f0011
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update makefile: fixes and enable listings per default
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2021-12-12 11:50:32 +00:00 |
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Nero
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4d8406aa3a
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rename parse to scan, more intuitive for C programmers
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2021-12-11 18:21:00 +00:00 |
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Nero
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725213b581
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sys: parse drive number and load BPB
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2021-12-11 16:46:00 +00:00 |
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Nero
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a3ef693059
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commit whatever is in my worktree rn
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2021-12-10 10:41:02 +00:00 |
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Nero
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1dea0c40bc
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Add skeleton of assembler
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2021-04-20 21:23:40 +00:00 |
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Nero
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24f04792f6
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Makefile: allow COM program testing via dosbox
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2021-04-20 16:27:32 +00:00 |
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Nero
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d9affa3cae
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Kernel: Fix segmenting bugs
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2021-04-20 16:27:10 +00:00 |
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Nero
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39a1ed085c
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Implement reading/writing a DTA full from a cluster without ptr advance
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2021-04-05 23:05:08 +00:00 |
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Nero
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85d0949ec7
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uartctrl: Implement CP437 to DEC VT character conversion
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2021-04-05 18:59:44 +00:00 |
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Nero
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963aebd948
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Add uartctrl.rom: Control PC via COM1 attached terminal
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2021-04-04 21:41:22 +00:00 |
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Nero
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b617709684
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Fix rootdir.asm re-using potentially wrong DS
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2021-03-19 19:26:38 +00:00 |
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Nero
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5e3ae0aa08
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Put rootdir and cluster access into separate files
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2021-03-19 19:01:38 +00:00 |
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Nero
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fbab632616
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Implement file open
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2021-03-19 18:50:50 +00:00 |
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Nero
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f702006582
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implement fcb search with more efficient segmenting and dta use
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2021-02-25 00:45:56 +00:00 |
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Nero
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7c4b84ecb3
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word-align disk buffer
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2021-02-19 19:41:34 +00:00 |
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Nero
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ec205407a7
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fix conout using stray DS
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2021-02-19 19:41:24 +00:00 |
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Nero
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a91fb3de0d
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Implement common char i/o functions
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2021-02-19 08:57:21 +00:00 |
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Nero
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d7c1781d2f
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mbr: set up first 7 bytes of kernel PSP
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2021-02-18 20:20:40 +00:00 |
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Nero
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78233db88d
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fix nasm orphaned labels warnings
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2021-02-18 20:20:14 +00:00 |
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Nero
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0b7e4cb3a4
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Make boot file name configurable
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2021-02-18 19:38:56 +00:00 |