 Paul Gardner-Stephen
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7448909da8
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more documentation of similarities and avoiding them where practicable.
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2019-04-24 16:13:24 +09:30 |
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Paul Gardner-Stephen
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ca61d576de
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document more similar strings
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2019-04-24 15:38:34 +09:30 |
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Paul Gardner-Stephen
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ddbb673682
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more work on reducing residual similarity with C64 KERNAL
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2019-04-24 15:31:36 +09:30 |
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Paul Gardner-Stephen
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18b862cce5
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more work on documenting residual similarities with C64 KERNAL
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2019-04-24 15:15:03 +09:30 |
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Paul Gardner-Stephen
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af67f17da1
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reduce avoidable byte similarities with C64 KERNAL
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2019-04-24 14:57:15 +09:30 |
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Paul Gardner-Stephen
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27e6f92b39
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fix bug in MEMTOP routine. Reorder instructions to reduce byte-level similarity with C64 KERNAL, even though it should be totally fine.
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2019-04-24 14:24:12 +09:30 |
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Paul Gardner-Stephen
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a311c08289
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reduce byte-wise similarity with KERNAL through use of X instead of A
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2019-04-24 14:14:40 +09:30 |
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Paul Gardner-Stephen
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f5c5f787a4
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convert several key values to hex
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2019-04-24 14:14:30 +09:30 |
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Paul Gardner-Stephen
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924a8c9568
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blue border on boot
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2019-04-24 08:27:24 +09:30 |
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Paul Gardner-Stephen
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dc8090478d
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fix pressing of same key masking problem. Issue #4.
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2019-04-24 08:16:18 +09:30 |
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Paul Gardner-Stephen
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12d8b3e39a
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clear last matrix key position so that repeating works properly. Issue #4.
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2019-04-24 07:54:41 +09:30 |
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Paul Gardner-Stephen
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84b1577883
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fix major remaining key repeat problem. Issue #4. Issue #6.
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2019-04-24 07:43:58 +09:30 |
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Paul Gardner-Stephen
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343b6f11e0
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fix some more of the bugs in key repeat logic.
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2019-04-24 07:40:02 +09:30 |
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Paul Gardner-Stephen
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c7e265f4ac
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fix bug in key repeat logic. More remain
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2019-04-24 07:34:35 +09:30 |
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Paul Gardner-Stephen
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faf7547e74
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count key presses from $00, not from $FF
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2019-04-24 07:21:41 +09:30 |
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Paul Gardner-Stephen
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4cd8451c6c
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process all key events at once.
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2019-04-24 07:16:10 +09:30 |
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Paul Gardner-Stephen
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efc83a0611
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remove all anonymous labels, fix indenting etc
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2019-04-24 06:57:23 +09:30 |
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Paul Gardner-Stephen
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201f1a378f
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fix errors with multi-key detection, including cursor left/up in VICE. Issue #6.
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2019-04-23 09:44:03 +09:30 |
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Paul Gardner-Stephen
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07e7b31b84
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fix Vendor / CONTROL key confusion
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2019-04-23 09:31:44 +09:30 |
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Paul Gardner-Stephen
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d4531592df
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get cold start display looking okay
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2019-04-23 00:23:47 +09:30 |
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Paul Gardner-Stephen
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97988f1c19
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fix bugs in BASIC main loop
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2019-04-23 00:09:05 +09:30 |
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Paul Gardner-Stephen
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03550ab786
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implement GETIN function
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2019-04-23 00:07:16 +09:30 |
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Paul Gardner-Stephen
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635cefe312
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remove debug output
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2019-04-23 00:04:18 +09:30 |
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Paul Gardner-Stephen
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605d03a905
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fix another bug when printing packed messages
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2019-04-23 00:02:16 +09:30 |
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Paul Gardner-Stephen
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a160372c60
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fix bug when printing 15th most common character in packed messages
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2019-04-22 23:59:41 +09:30 |
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Paul Gardner-Stephen
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c43dbe1c29
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improve printing of BASIC errors.
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2019-04-22 23:40:27 +09:30 |
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Paul Gardner-Stephen
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ab81f479a1
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tweak printing of READY. message
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2019-04-22 23:33:13 +09:30 |
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Paul Gardner-Stephen
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a32f913a25
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remove trailing space when printing messages
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2019-04-22 23:32:16 +09:30 |
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Paul Gardner-Stephen
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d8c739b430
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fix bug at end of printing packed messages
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2019-04-22 23:27:43 +09:30 |
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Paul Gardner-Stephen
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bad55025da
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fix bug in printing packed messages
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2019-04-22 23:22:24 +09:30 |
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Paul Gardner-Stephen
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f2e2db3a4d
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add files for BASIC interpretor main loop and message printing
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2019-04-22 23:15:58 +09:30 |
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Paul Gardner-Stephen
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8cd68452c1
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begin implementing routine to print packed messages
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2019-04-22 23:14:03 +09:30 |
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Paul Gardner-Stephen
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2070b428ed
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make sure screen pointers are initialiased before messing with the cursor
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2019-04-22 20:54:14 +09:30 |
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Paul Gardner-Stephen
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3cc93b715c
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fix spacer for $C000-$DFFF
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2019-04-22 20:53:57 +09:30 |
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Paul Gardner-Stephen
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7f2f52052d
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implement startup message
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2019-04-22 20:53:37 +09:30 |
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Paul Gardner-Stephen
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4495d22a10
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add temp_string_ptr address
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2019-04-22 20:53:21 +09:30 |
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Paul Gardner-Stephen
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c8db5e52c6
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add place holder routine to skip the $C000-$DFFF gap in the BASIC ROM space.
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2019-04-22 15:39:47 +09:30 |
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Paul Gardner-Stephen
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97eb5acb31
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begin implementing BASIC interprettor.
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2019-04-22 15:36:00 +09:30 |
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Paul Gardner-Stephen
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2f09f2c9a3
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Issue #2 solved: STOP routine return values determined by trial and error
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2019-04-22 15:12:44 +09:30 |
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Paul Gardner-Stephen
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7c31bca28e
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document authority for IRQ entry and exit sequence
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2019-04-22 13:56:35 +09:30 |
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Paul Gardner-Stephen
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2fd27915f7
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don't print strange control characters. Part solution to Issue #2.
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2019-04-22 13:51:55 +09:30 |
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Paul Gardner-Stephen
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5292ea009b
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Fix enabling/disabling of cursor. Issue #1
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2019-04-22 12:55:36 +09:30 |
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Paul Gardner-Stephen
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13a7aee1d2
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enable and disable cursor when reading a line of keyboard input via chrin
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2019-04-22 12:37:27 +09:30 |
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Paul Gardner-Stephen
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296fdcfd7a
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fix char under cursor draw/undraw bug
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2019-04-22 12:31:45 +09:30 |
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Paul Gardner-Stephen
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b257ac8234
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begin implementing stop routine
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2019-04-22 12:09:03 +09:30 |
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Paul Gardner-Stephen
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f858ab6ac4
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fix glitching when shortening a full-length line using DELETE
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2019-04-22 11:49:34 +09:30 |
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Paul Gardner-Stephen
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57b2c69c1d
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implement shift-DELETE to insert characters
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2019-04-22 11:42:13 +09:30 |
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Paul Gardner-Stephen
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2cade1508f
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fix decoding of shifted and vendor shifted input. BASIC keyword short cuts now work.
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2019-04-22 03:50:53 +09:30 |
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Paul Gardner-Stephen
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0652c536cd
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fix error for encoding )
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2019-04-22 03:50:46 +09:30 |
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Paul Gardner-Stephen
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d8f4acf7e1
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remove debug border flash
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2019-04-22 03:36:01 +09:30 |
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