 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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12a20d0962
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add READY and other messages to message table
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2019-04-22 23:15:49 +09:30 |
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Paul Gardner-Stephen
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9b1b11a04c
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add targets for packed message printing
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2019-04-22 23:14:26 +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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c670ad212d
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more work on message packer
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2019-04-22 22:11:56 +09:30 |
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Paul Gardner-Stephen
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b7f5a6a51c
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begin implementing program to produce compressed message lists
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2019-04-22 21:47:09 +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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7b0d2fa213
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fix rule to pull out kernal from combined ROM
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2019-04-22 20:52:59 +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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Paul Gardner-Stephen
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374815ed68
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fix preserving X register in CHRIN
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2019-04-22 03:33:52 +09:30 |
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Paul Gardner-Stephen
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836f19e834
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correct length measurement of input line for CHRIN
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2019-04-22 03:04:15 +09:30 |
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Paul Gardner-Stephen
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89f7f9ae55
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preserve X register in chrin
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2019-04-22 02:59:44 +09:30 |
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Paul Gardner-Stephen
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3067744304
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partial implementation of CHRIN
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2019-04-22 02:49:32 +09:30 |
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Paul Gardner-Stephen
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f62a541d83
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add placeholder license
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2019-04-22 02:49:24 +09:30 |
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Paul Gardner-Stephen
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028d82fc11
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work towards chrin returning a line of input
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2019-04-22 02:17:57 +09:30 |
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Paul Gardner-Stephen
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83c6a669d6
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implement quote and insert mode flag handling.
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2019-04-22 01:51:51 +09:30 |
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Paul Gardner-Stephen
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9996697f5e
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add sources for reverse video control
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2019-04-22 01:38:24 +09:30 |
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Paul Gardner-Stephen
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a458fb0b58
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implement reverse video flag
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2019-04-22 01:37:02 +09:30 |
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Paul Gardner-Stephen
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6dad8d491b
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fix printing of shifted and vendor modified keys.
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2019-04-22 01:35:02 +09:30 |
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Paul Gardner-Stephen
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dd2200965d
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fix scrolling of screen when on expanded last line
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2019-04-22 01:22:14 +09:30 |
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Paul Gardner-Stephen
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e1490c1ded
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work towards fixing bug with no scrolling when last line is double-length
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2019-04-22 00:59:54 +09:30 |
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Paul Gardner-Stephen
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eed50e63f4
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fix bug when expanding last line on screen
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2019-04-22 00:39:29 +09:30 |
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Paul Gardner-Stephen
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a803ca6268
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fix extending lines
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2019-04-22 00:36:55 +09:30 |
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Paul Gardner-Stephen
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933bcac978
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fix screen scrolling bugs
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2019-04-22 00:10:26 +09:30 |
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Paul Gardner-Stephen
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d18d8c30c3
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clear line link flag for last line when scrolling screen up
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2019-04-21 23:44:14 +09:30 |
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Paul Gardner-Stephen
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c29b8c6fc7
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implement scrolling screen up when pressing cursor down at bottom of screen.
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2019-04-21 23:35:58 +09:30 |
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Paul Gardner-Stephen
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b6f6570951
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fix bug in growing line when last line on screen
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2019-04-21 23:15:44 +09:30 |
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Paul Gardner-Stephen
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2a212678c6
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begin implementing scrolling screen
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2019-04-21 23:13:41 +09:30 |
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Paul Gardner-Stephen
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20b223b971
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fix bugs with double-length lines
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2019-04-21 22:26:48 +09:30 |
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Paul Gardner-Stephen
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abb71db8aa
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fix various problems with delete. Now seems to work fairly well.
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2019-04-21 22:09:29 +09:30 |
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Paul Gardner-Stephen
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c23f8cef4f
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implement core of delete char in chrout
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2019-04-21 21:59:06 +09:30 |
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Paul Gardner-Stephen
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07f1a649c5
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implement colour codes and updating colour RAM
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2019-04-21 21:49:43 +09:30 |
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Paul Gardner-Stephen
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6e4ba6ce18
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calculate address of screen colour line
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2019-04-21 21:40:49 +09:30 |
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Paul Gardner-Stephen
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135ac01235
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implement shift + Vendor key to toggle case
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2019-04-21 21:33:52 +09:30 |
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Paul Gardner-Stephen
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3f31054087
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disable screen X Y normalisation debug output
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2019-04-21 00:11:50 +09:30 |
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Paul Gardner-Stephen
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0a0934ce63
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reset key repeat delay when key is released.
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2019-04-21 00:10:33 +09:30 |
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Paul Gardner-Stephen
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b7621f9c7d
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factor out screen coordinate normalisation function
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2019-04-21 00:07:01 +09:30 |
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Paul Gardner-Stephen
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654abce59d
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make sure screen Y is not too large when normalising
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2019-04-21 00:05:16 +09:30 |
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Paul Gardner-Stephen
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b03742b745
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normalise screen X and Y positions when recalculating pointer
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2019-04-21 00:02:23 +09:30 |
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Paul Gardner-Stephen
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00591676dc
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make cursor visible immediately after printing a character, but for only 1 frame, to match C64 KERNAL behaviour
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2019-04-20 23:43:12 +09:30 |
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Paul Gardner-Stephen
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ace97a364c
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fix problems with key repeat
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2019-04-20 23:37:53 +09:30 |
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Paul Gardner-Stephen
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106c9dfd22
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begin implementing key repeat logic
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2019-04-20 23:29:16 +09:30 |
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Paul Gardner-Stephen
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0add45b798
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implement home key
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2019-04-20 23:17:44 +09:30 |
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Paul Gardner-Stephen
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d283c3243d
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fix first pass size estimation to ensure no ZP modes get used for in-line data
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2019-04-20 23:14:45 +09:30 |
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Paul Gardner-Stephen
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3b7c941494
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make it easier to detect when routine sizes change between first and second passes
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2019-04-20 23:12:34 +09:30 |
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Paul Gardner-Stephen
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a51c8e9579
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work on cursor control keys in editor
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2019-04-20 23:09:55 +09:30 |
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Paul Gardner-Stephen
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ab34a1de51
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implement bucky keys in keyboard scan routine
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2019-04-20 23:04:50 +09:30 |
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Paul Gardner-Stephen
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513677ac6a
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implement more cursor movement code
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2019-04-20 22:18:52 +09:30 |
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Paul Gardner-Stephen
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c143c1328a
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begin implementing delete in chrout
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2019-04-20 21:54:40 +09:30 |
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Paul Gardner-Stephen
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18b223d1b6
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increase IRQ rate to ~60hz
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2019-04-20 07:22:42 +09:30 |
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Paul Gardner-Stephen
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fa82939cc5
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fix handling of printing $00 chars, and scanning $00 from keyboard matrix
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2019-04-20 02:38:23 +09:30 |
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Paul Gardner-Stephen
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91f2dd02fd
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fix bucky key detection
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2019-04-20 02:35:39 +09:30 |
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Paul Gardner-Stephen
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ce30caeb74
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add missing item in keyboard matrix
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2019-04-20 02:30:56 +09:30 |
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Paul Gardner-Stephen
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a24f56caad
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fix undrawing of cursor when printing chars
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2019-04-20 02:30:36 +09:30 |
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Paul Gardner-Stephen
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a60f262d84
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fix keyboard buffer emptying handling
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2019-04-20 02:15:53 +09:30 |
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Paul Gardner-Stephen
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8a4f4928e5
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begin implementing chrin to read from keyboard buffer
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2019-04-20 02:06:31 +09:30 |
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Paul Gardner-Stephen
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f37e32f856
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stuff newly read keys into the keyboard buffer
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2019-04-20 02:02:45 +09:30 |
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Paul Gardner-Stephen
|
1e37babbb7
|
fix many problems with new keyboard scan routine
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2019-04-20 01:46:21 +09:30 |
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Paul Gardner-Stephen
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054913ed06
|
roll another loop up
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2019-04-20 01:04:48 +09:30 |
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Paul Gardner-Stephen
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7bce9d4c26
|
remove non-alpha flag handling
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2019-04-20 01:02:56 +09:30 |
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Paul Gardner-Stephen
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3f18fce879
|
unroll loop in keyboard scanner
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2019-04-20 01:01:05 +09:30 |
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Paul Gardner-Stephen
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67b2f3fc7d
|
refactor keyboard scanner somewhat, and have no variables in ROM(!)
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2019-04-20 00:59:09 +09:30 |
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Paul Gardner-Stephen
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99b06b843e
|
initialise keyboard scanner extra variables
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2019-04-20 00:58:52 +09:30 |
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Paul Gardner-Stephen
|
cef8ffeb43
|
modify keyboard scan routine to return raw matrix codes
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2019-04-20 00:35:20 +09:30 |
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Paul Gardner-Stephen
|
5f6cc08a97
|
modify keyboard scan routine to extract bucky bits and store in expected variables
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2019-04-20 00:28:18 +09:30 |
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Paul Gardner-Stephen
|
dbf865fc6d
|
add keyboard scan to IRQ routine
|
2019-04-20 00:28:04 +09:30 |
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Paul Gardner-Stephen
|
72baf3869a
|
begin importing public keyboard scan routine implementation
|
2019-04-20 00:12:50 +09:30 |
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Paul Gardner-Stephen
|
415d5a94bb
|
hide cursor when drawing, minor other fixes
|
2019-04-19 23:40:51 +09:30 |
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Paul Gardner-Stephen
|
c46a4aa1dd
|
get CIA IRQ running.
|
2019-04-19 23:26:49 +09:30 |
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Paul Gardner-Stephen
|
b551bc7827
|
clear interrupt disable flag when starting BASIC
|
2019-04-19 23:12:42 +09:30 |
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Paul Gardner-Stephen
|
9908c4e62a
|
begin implementing IRQ framework
|
2019-04-19 23:11:32 +09:30 |
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Paul Gardner-Stephen
|
1ca55c8df3
|
ignore LF character in CHROUT (BASIC READY prompt tries to display it)
|
2019-04-19 23:04:21 +09:30 |
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Paul Gardner-Stephen
|
a5183785ea
|
make chrin infinte loop until properly implemented
|
2019-04-19 23:00:59 +09:30 |
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Paul Gardner-Stephen
|
4f7ef73ab7
|
fix 32K/38K BASIC RAM space detection
|
2019-04-19 23:00:23 +09:30 |
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Paul Gardner-Stephen
|
b95cbbb831
|
advance line pointer on carriage return
|
2019-04-19 23:00:07 +09:30 |
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Paul Gardner-Stephen
|
63645c8ef8
|
fix bugs with chrout to make work with BASIC
|
2019-04-19 22:53:31 +09:30 |
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Paul Gardner-Stephen
|
e80df3ff53
|
update RAMTAS, MEMBOT and MEMTOP based on http://unusedino.de/ec64/technical/project64/mapping_c64.html
|
2019-04-19 21:42:05 +09:30 |
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Paul Gardner-Stephen
|
e538bfee0e
|
implement CHROUT clear screen.
|
2019-04-19 21:20:17 +09:30 |
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Paul Gardner-Stephen
|
aeea452967
|
fix chrout processing of Y and Z characters
|
2019-04-19 21:12:19 +09:30 |
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Paul Gardner-Stephen
|
bf4e22b99a
|
save X and Y in CHROUT
|
2019-04-19 21:11:24 +09:30 |
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