 Paul Gardner-Stephen
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c82a61fdeb
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update license to LGPL 3.0
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2019-06-16 11:07:41 +09:30 |
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Paul Gardner-Stephen
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c6e95f13f9
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import Retrofan's new startup banner
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2019-05-14 03:31:57 +09:30 |
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Paul Gardner-Stephen
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a34581e3ea
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implement STOP and END commands
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2019-05-13 03:47:34 +09:30 |
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Paul Gardner-Stephen
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699cc73b70
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add pre-built BASIC and KERNAL ROM images.
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2019-05-07 22:29:28 +09:30 |
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Paul Gardner-Stephen
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8a6fd814d7
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update README
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2019-05-07 22:29:22 +09:30 |
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Paul Gardner-Stephen
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621d470fe3
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update README discussion of copyright.
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2019-05-07 12:59:03 +09:30 |
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Paul Gardner-Stephen
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0f18e18e9b
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add explanations for remaining coincidental similarities
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2019-05-07 12:40:41 +09:30 |
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Paul Gardner-Stephen
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61b69ddf3d
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document many more cooincidental similarities with C64 ROMs
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2019-05-07 12:17:52 +09:30 |
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Paul Gardner-Stephen
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1bcdf6b738
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reorder some instructions to reduce coincidental similarity with BASIC ROM
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2019-05-07 11:39:47 +09:30 |
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Paul Gardner-Stephen
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84ae446f7b
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explain more KERNAL coincidental similarities.
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2019-05-07 11:22:16 +09:30 |
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Paul Gardner-Stephen
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3847631e0e
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rearrange initialisation of $00 and $01 to reduce cooincidental similarity with C64 KERNAL
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2019-05-07 11:21:52 +09:30 |
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Paul Gardner-Stephen
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81e7f27f1b
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explain a number of KERNAL coincidental similarities.
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2019-05-07 10:20:35 +09:30 |
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Paul Gardner-Stephen
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a6942281de
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finish documenting all cooincidental similarities with C64 BASIC ROM.
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2019-05-07 10:12:20 +09:30 |
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Paul Gardner-Stephen
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f595af2c41
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fix routine we had changed to be less coincidentally similar to one in C64 BASIC so that it works.
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2019-05-07 10:11:11 +09:30 |
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Paul Gardner-Stephen
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3fc264ac15
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explain more similarities. Go to some effort to avoid some similarities where we can see a way.
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2019-05-07 10:02:25 +09:30 |
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Paul Gardner-Stephen
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f15c7aa3a2
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fix scrolling / empty lines during LIST
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2019-05-07 07:34:47 +09:30 |
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Paul Gardner-Stephen
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f23b0d03e9
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fix many blank lines when scrolling
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2019-05-07 07:25:01 +09:30 |
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Paul Gardner-Stephen
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f031907abb
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don't allow IRQs during CHROUT to avoid all cursor pooh
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2019-05-07 07:04:15 +09:30 |
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Paul Gardner-Stephen
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d0797fedef
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reverse attempted cursor pooh fix.
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2019-05-07 06:56:00 +09:30 |
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Paul Gardner-Stephen
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94e25eb40e
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fix cursor pooh
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2019-05-06 22:41:41 +09:30 |
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Paul Gardner-Stephen
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2ad07c1a82
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tweak version number in startup banner
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2019-05-06 22:31:36 +09:30 |
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Paul Gardner-Stephen
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b1eff47e97
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replace simple startup message with Deft's fancy one
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2019-05-06 22:29:24 +09:30 |
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Paul Gardner-Stephen
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7183b3a39e
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fix initialisation of ZP
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2019-05-06 22:02:07 +09:30 |
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Paul Gardner-Stephen
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5359801149
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work around VICE bug
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2019-05-06 21:59:45 +09:30 |
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Paul Gardner-Stephen
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54ecbf9097
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implement joystick 1 cursor movement.
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2019-05-06 16:45:01 +09:30 |
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Paul Gardner-Stephen
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b3e446b64e
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show line number when BREAKing
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2019-05-06 07:14:53 +09:30 |
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Paul Gardner-Stephen
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0a46e7c135
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implement GOTO command
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2019-05-06 07:11:23 +09:30 |
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Paul Gardner-Stephen
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d8d7d878e4
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fix preservation of I flag in memory move routines.
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2019-05-06 07:09:46 +09:30 |
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Paul Gardner-Stephen
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7d1f7fb7c5
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begin implementing REM command.
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2019-05-06 07:06:19 +09:30 |
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Paul Gardner-Stephen
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fab8839c76
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allow RUN/STOP to stop LIST command.
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2019-05-05 22:36:17 +09:30 |
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Paul Gardner-Stephen
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4b88af9da0
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make SCNKEY routine actually do what it should. Issue #23
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2019-05-05 16:36:39 +09:30 |
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Paul Gardner-Stephen
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810dfb75af
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put setup VIC-II routine at $E5A0 for Advanced Pinball Simulator. Issue #23
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2019-05-05 16:31:24 +09:30 |
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Paul Gardner-Stephen
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e88f12f2ed
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put IOINIT at $FDA3. Issue #20
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2019-05-05 15:06:50 +09:30 |
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Paul Gardner-Stephen
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933351943f
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move all VIC-II initialisation from IOINIT to CINT. Issue #20
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2019-05-05 15:06:09 +09:30 |
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Paul Gardner-Stephen
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8f09d4e8e1
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fix typo. Issue #20
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2019-05-05 14:58:32 +09:30 |
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Paul Gardner-Stephen
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ccf4dbe5da
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implement $EA7E entry point and fix $EA31 entry point. Issue #20
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2019-05-05 14:57:42 +09:30 |
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Paul Gardner-Stephen
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1d850ad7c3
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place some routines at well known expected locations.
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2019-05-05 02:24:34 +09:30 |
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Paul Gardner-Stephen
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4a374b27be
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Fix LIST output for Nebulus: line links with high byte = $00 = end of program.
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2019-05-05 02:21:47 +09:30 |
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Paul Gardner-Stephen
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49536d8378
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fix handling of EOI marker so we can load more than one program in life of system
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2019-05-05 02:15:46 +09:30 |
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Paul Gardner-Stephen
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1005ee4952
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fix detection and reporting of FILE NOT FOUND error
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2019-05-05 02:02:01 +09:30 |
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Paul Gardner-Stephen
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4ddd31176e
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remove debug output
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2019-05-05 01:40:57 +09:30 |
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Paul Gardner-Stephen
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98f2d022ce
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stop after completing a LOAD command.
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2019-05-05 01:40:45 +09:30 |
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Paul Gardner-Stephen
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e6fee5e979
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fix more problems with loading. Now SEARCHING FOR message works.
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2019-05-05 01:38:51 +09:30 |
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Paul Gardner-Stephen
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e547b56003
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fix various problems with LOAD taking a real filename. More to do.
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2019-05-05 01:26:37 +09:30 |
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Paul Gardner-Stephen
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f14cf20c92
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explicitly compare read result with zero now that under ROM routines preserve P
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2019-05-05 00:54:53 +09:30 |
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Paul Gardner-Stephen
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66964ab567
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fix routines to peek/poke under ROMs
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2019-05-05 00:53:14 +09:30 |
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Paul Gardner-Stephen
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000b87b87b
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send whole filename, instead of first char until end of time.
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2019-05-05 00:52:41 +09:30 |
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Paul Gardner-Stephen
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4958ad696f
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more work towards making LOAD command accept filename
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2019-05-05 00:45:26 +09:30 |
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Paul Gardner-Stephen
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2824abafd9
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remove debug output
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2019-05-05 00:27:01 +09:30 |
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Paul Gardner-Stephen
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74aaf9fe3f
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fix bug in print_integer with digit 9
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2019-05-05 00:25:15 +09:30 |
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