 Paul Gardner-Stephen
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c80ff23599
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... and fix the same stupid use of wrong bit in iec_wait_for_clock_assert
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2019-05-04 22:18:41 +09:30 |
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Paul Gardner-Stephen
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b1945095fc
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fix stupid checking of wrong bit in iec_wait_for_clock_release
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2019-05-04 22:16:47 +09:30 |
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Paul Gardner-Stephen
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acbac9e5f8
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simplify and fix iec_turnaround_to_listen based on 1541-III documentation
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2019-05-04 22:13:59 +09:30 |
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Paul Gardner-Stephen
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37277ba5a3
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try just reading error channel as a test
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2019-05-04 22:09:42 +09:30 |
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Paul Gardner-Stephen
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d0932029bb
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actually try 255 times before giving up when waiting for talker turnaround.
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2019-05-04 22:09:19 +09:30 |
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Paul Gardner-Stephen
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84841ab283
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fix bug in iec_tx_byte in acknowledgement check.
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2019-05-04 22:01:36 +09:30 |
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Paul Gardner-Stephen
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cdbb1b8c58
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implement dummy read from command channel routine to aid debugging
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2019-05-04 18:09:40 +09:30 |
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Paul Gardner-Stephen
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27432fa745
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fix clearing C flag on return.
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2019-05-04 18:08:57 +09:30 |
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Paul Gardner-Stephen
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c536780970
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fix mounting of disk image for test to not auto-run anything
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2019-05-04 17:25:48 +09:30 |
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Paul Gardner-Stephen
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eedc7e7b7e
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mount a D64 in VICE during tests, so that there is something to read
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2019-05-04 17:13:27 +09:30 |
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Paul Gardner-Stephen
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6dd434c688
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go back to trying to debug real file situation
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2019-05-04 17:08:21 +09:30 |
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Paul Gardner-Stephen
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79017d2d50
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fix FILE NOT FOUND detection in IEC ATN turnaround
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2019-05-04 17:07:05 +09:30 |
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Paul Gardner-Stephen
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8994f3c608
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generally try to debug the FILE NOT FOUND situation
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2019-05-04 17:00:40 +09:30 |
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Paul Gardner-Stephen
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49d5733246
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fix some bugs in IEC ATN turnaround
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2019-05-04 16:59:37 +09:30 |
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Paul Gardner-Stephen
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cc92b7d7e0
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fix typo in iec_release_atn
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2019-05-04 16:37:24 +09:30 |
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Paul Gardner-Stephen
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66c319f116
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fix timeout comparison in iec_tx_byte
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2019-05-04 16:35:04 +09:30 |
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Paul Gardner-Stephen
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7c89705dc6
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nope, that didn't help at all, but did indeed result in live-lock as feared.
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2019-05-04 12:02:52 +09:30 |
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Paul Gardner-Stephen
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3e0c6e3c1e
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try to fix ATN turn around to listen
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2019-05-04 12:02:25 +09:30 |
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Paul Gardner-Stephen
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9f05cc3e4c
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instrument to debug loading.
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2019-05-04 11:52:14 +09:30 |
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Paul Gardner-Stephen
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cc3c17a48a
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add missing file
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2019-05-04 11:47:52 +09:30 |
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Paul Gardner-Stephen
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9f6f179666
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implement the rest of iec_rx_byte
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2019-05-04 11:46:51 +09:30 |
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Paul Gardner-Stephen
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dec2714ba0
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begin implementing iec_rx_byte and rest of LOAD sequence
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2019-05-04 11:30:03 +09:30 |
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Paul Gardner-Stephen
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92ac67d6a7
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fix the bits we are setting and checking in IEC turn around to listen.
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2019-05-04 11:22:02 +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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dcebe17e51
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fix inverted sense of DATA line when writing bytes. We can now get a device to respond to an ATN byte.
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2019-05-01 23:02:29 +09:30 |
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Paul Gardner-Stephen
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e67eb37937
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remove redundant IEC port write during TX setup
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2019-05-01 22:45:18 +09:30 |
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Paul Gardner-Stephen
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86a579e91c
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don't corrupt Y register in iec_wait60ns
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2019-05-01 22:45:02 +09:30 |
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Paul Gardner-Stephen
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568bbb1cb2
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fix iec_release_clk to release correct bit
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2019-05-01 22:44:29 +09:30 |
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Paul Gardner-Stephen
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3a8200d66d
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IEC serial bytes have 8 bits, not 9. Fix logic to count 8 bits on TX
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2019-05-01 22:16:33 +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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9f0880ed7e
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fix sense of DATA line reading.
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2019-05-01 22:11:17 +09:30 |
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Paul Gardner-Stephen
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38b35d05ad
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fix asserting ATN line.
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2019-05-01 22:10:57 +09:30 |
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Paul Gardner-Stephen
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af7e93476c
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setup DDR for IEC serial bus
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2019-05-01 21:52:22 +09:30 |
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Paul Gardner-Stephen
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687ed9c56a
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more work towards IEC bus. Also don't corrupt $DD00 VIC-II bank bits in the process.
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2019-05-01 21:47:00 +09:30 |
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Paul Gardner-Stephen
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16dcfbe22b
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begin implementing IEC serial protocol.
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2019-05-01 21:40:32 +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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3a58c781c7
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carriage return clears quote and insert modes
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2019-04-29 22:05:12 +09:30 |
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