 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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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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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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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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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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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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Paul Gardner-Stephen
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f80b49b845
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relink BASIC lines after loading a program.
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2019-05-05 00:11:19 +09:30 |
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Paul Gardner-Stephen
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6d74679a5c
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set end of loaded memory pointer in BASIC LOAD routine. Other small fixes.
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2019-05-04 23:52:48 +09:30 |
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Paul Gardner-Stephen
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0a97a16552
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remove some debug output
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2019-05-04 23:41:19 +09:30 |
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Paul Gardner-Stephen
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19c9d655ce
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clear reverse video flag after displaying each line
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2019-05-04 23:41:07 +09:30 |
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Paul Gardner-Stephen
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4a3ea0d091
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Start implementing LOAD KERNAL routine to actually load where it should.
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2019-05-04 23:38:42 +09:30 |
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Paul Gardner-Stephen
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e5cdf77d50
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more work towards IEC bus support: Work on LOAD routine and the necessary IEC functions for it.
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2019-05-03 21:30:32 +09:30 |
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Paul Gardner-Stephen
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148a285633
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correctly detect device not present
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2019-05-02 21:55:11 +09:30 |
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Paul Gardner-Stephen
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7caae74955
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move debug code for testing IEC bus
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2019-05-01 22:12:33 +09:30 |
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Paul Gardner-Stephen
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27b33c2b26
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use more space efficient calling convention for calling errors
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2019-05-01 07:37:52 +09:30 |
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Paul Gardner-Stephen
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b45e7aab65
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RUN does implicit CLR
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2019-04-29 23:23:30 +09:30 |
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Paul Gardner-Stephen
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f439cb0a83
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correctly detect end of program
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2019-04-29 23:21:46 +09:30 |
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Paul Gardner-Stephen
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dec1ce257d
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simplify BASIC execution logic
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2019-04-29 23:10:10 +09:30 |
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Paul Gardner-Stephen
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8ecd10d5cd
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implement SYS command.
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2019-04-29 23:02:22 +09:30 |
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Paul Gardner-Stephen
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0d891bb06a
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consume white space when checking for end of statement
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2019-04-29 22:41:51 +09:30 |
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Paul Gardner-Stephen
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6df769320a
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parse line number argument in RUN statement
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2019-04-29 22:40:24 +09:30 |
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Paul Gardner-Stephen
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65af677caa
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factor out basic line number parsing routine
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2019-04-29 22:36:25 +09:30 |
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Paul Gardner-Stephen
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270314640c
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refactor end of statement check.
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2019-04-29 22:27:58 +09:30 |
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Paul Gardner-Stephen
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3bdfa8f834
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make injest_number work from current basic statement pointer
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2019-04-29 22:25:03 +09:30 |
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Paul Gardner-Stephen
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7c960fd6b4
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implement RUN command. Show line number in errors when in program mode.
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2019-04-29 22:20:02 +09:30 |
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Paul Gardner-Stephen
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995dc52967
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work towards being able to run programs
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2019-04-29 22:16:00 +09:30 |
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Paul Gardner-Stephen
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b15ddafa6a
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allow multiple statements on single line. Issue #14
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2019-04-29 22:05:27 +09:30 |
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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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