 Paul Gardner-Stephen
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67ac641741
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make LIST command honour REM and quotes.
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2019-04-29 21:08:53 +09:30 |
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Paul Gardner-Stephen
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bc5e3cdbb9
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Fix Issue #15
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2019-04-29 21:00:00 +09:30 |
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Paul Gardner-Stephen
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71567e39ac
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LIST now largely works.
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2019-04-28 22:48:03 +09:30 |
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Paul Gardner-Stephen
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8c84566e53
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begin implementing LIST command printing of line bodies
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2019-04-28 22:37:11 +09:30 |
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Paul Gardner-Stephen
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c7db426bd3
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begin implementing LIST command
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2019-04-28 22:30:49 +09:30 |
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Paul Gardner-Stephen
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6a0b2d8e7f
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implement beginnings of BASIC main loop execution
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2019-04-28 22:10:32 +09:30 |
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Paul Gardner-Stephen
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06a227696e
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begin implementing BASIC command loop
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2019-04-28 21:59:02 +09:30 |
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Paul Gardner-Stephen
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30e900e2cf
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implement syntax error as default behaviour
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2019-04-28 21:51:44 +09:30 |
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Paul Gardner-Stephen
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249266232c
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begin implementing framework for interpreting BASIC statements.
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2019-04-28 21:50:52 +09:30 |
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Paul Gardner-Stephen
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3ab4f385ac
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fix printing of integers and BASIC free bytes on startup
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2019-04-28 21:36:33 +09:30 |
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Paul Gardner-Stephen
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0c05cd335f
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fix inverted sense of cartridge detect in free RAM calculation
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2019-04-28 21:27:31 +09:30 |
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Paul Gardner-Stephen
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9ac00426f3
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display correct # of basic bytes free on startup
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2019-04-28 21:26:33 +09:30 |
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Paul Gardner-Stephen
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2193cf9520
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fix integer printing routine
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2019-04-28 21:21:53 +09:30 |
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Paul Gardner-Stephen
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c1a85217a0
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work towards printing integers
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2019-04-28 21:19:41 +09:30 |
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Paul Gardner-Stephen
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e0bd266f6e
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don't print READY after entering, modifying or deleting a line of BASIC
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2019-04-28 20:51:54 +09:30 |
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Paul Gardner-Stephen
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4a4e6ddbb9
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fix Issue #13
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2019-04-28 20:48:46 +09:30 |
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Paul Gardner-Stephen
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f43fedea21
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remove more debug output
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2019-04-28 20:44:05 +09:30 |
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Paul Gardner-Stephen
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ced0eeb319
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disable debug output in basic line inserting, deleting and replacing
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2019-04-28 20:41:38 +09:30 |
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Paul Gardner-Stephen
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ff10535447
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fix deleting line bugs
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2019-04-28 20:39:15 +09:30 |
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Paul Gardner-Stephen
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696c908483
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fix bugs in calculation of memory range to copy down.
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2019-04-28 20:33:07 +09:30 |
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Paul Gardner-Stephen
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906fe108b3
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work towards being able to delete BASIC lines
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2019-04-28 20:27:19 +09:30 |
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Paul Gardner-Stephen
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490dda059f
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expand documentation of line replacement
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2019-04-28 20:06:26 +09:30 |
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Paul Gardner-Stephen
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9d83d95a6c
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don't re-insert an empty line if deleting a line
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2019-04-28 19:58:45 +09:30 |
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Paul Gardner-Stephen
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5031764214
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Fix issue #12
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2019-04-28 17:01:17 +09:30 |
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Paul Gardner-Stephen
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885fcca833
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fix bug in calculation of shift memory up bounds, and add debugging
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2019-04-28 16:37:38 +09:30 |
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Paul Gardner-Stephen
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e04a648044
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finish implementing printf function
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2019-04-28 16:20:25 +09:30 |
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Paul Gardner-Stephen
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e1462ae989
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replace out of range branch to stop inference by Ophis
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2019-04-28 16:20:04 +09:30 |
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Paul Gardner-Stephen
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cbd92e9351
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printf inline hex bytes and word display now works.
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2019-04-28 13:54:43 +09:30 |
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Paul Gardner-Stephen
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83fbaeffe2
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fix bug in return from printf
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2019-04-28 13:44:55 +09:30 |
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Paul Gardner-Stephen
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5f19f62ab8
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more work on basic line linking and management
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2019-04-28 13:41:36 +09:30 |
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Paul Gardner-Stephen
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183e6f784c
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begin implementing printf-like debug function
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2019-04-28 13:41:08 +09:30 |
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Paul Gardner-Stephen
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daaa0b51af
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fix bugs with storing basic lines. Now inserting lines seems to mostly work.
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2019-04-28 02:52:04 +09:30 |
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Paul Gardner-Stephen
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5a5be5d8ec
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fix several bugs with storing BASIC lines
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2019-04-28 02:07:17 +09:30 |
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Paul Gardner-Stephen
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d2e4822f37
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zero all bytes of FAC1 when erasing
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2019-04-28 01:22:50 +09:30 |
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Paul Gardner-Stephen
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064b84d2e9
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zero memory pointer in NEW command
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2019-04-28 01:22:26 +09:30 |
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Paul Gardner-Stephen
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7f54f6cdd8
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copy null at end of basic line when storing to memory
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2019-04-28 01:22:09 +09:30 |
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Paul Gardner-Stephen
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08b1327044
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set $2B/$2C pointers when inserting a line of BASIC text
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2019-04-28 01:08:56 +09:30 |
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Paul Gardner-Stephen
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64dbdcdefb
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can now store a single line of basic into memory
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2019-04-28 01:06:16 +09:30 |
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Paul Gardner-Stephen
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580b7961a5
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more work on inserting and deleting BASIC lines.
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2019-04-28 00:28:38 +09:30 |
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Paul Gardner-Stephen
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84c02486fe
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begin implementing memory copy routines for inserting and deleting BASIC lines.
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2019-04-28 00:17:20 +09:30 |
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Paul Gardner-Stephen
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b7de93a3a6
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abort line search as soon as we find a line with too high a line number.
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2019-04-27 23:48:57 +09:30 |
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Paul Gardner-Stephen
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5358743318
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begin implementing basic text manipulation routines.
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2019-04-27 23:47:06 +09:30 |
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Paul Gardner-Stephen
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6d57d17b74
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properly initialise memory when BASIC starts.
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2019-04-27 23:08:11 +09:30 |
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Paul Gardner-Stephen
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eef572e0ab
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work on getting BASIC line number entry working.
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2019-04-27 23:00:20 +09:30 |
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Paul Gardner-Stephen
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bd4af88e02
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fix bug in number parsing.
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2019-04-27 22:22:42 +09:30 |
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Paul Gardner-Stephen
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26ca54660a
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begin parsing line numbers at start of lines
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2019-04-27 22:18:43 +09:30 |
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Paul Gardner-Stephen
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1325f31010
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rename inject_number to injest_number
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2019-04-27 22:14:32 +09:30 |
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Paul Gardner-Stephen
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13a2d6f6cb
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don't tokenise content following a REM statement.
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2019-04-27 22:13:20 +09:30 |
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Paul Gardner-Stephen
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7831441cac
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strip leading spaces from received line before tokenising
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2019-04-27 22:09:56 +09:30 |
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Paul Gardner-Stephen
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b1655ac7a9
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work on parsing numbers from strings.
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2019-04-27 22:03:04 +09:30 |
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