 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
|
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
|
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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000b87b87b
|
send whole filename, instead of first char until end of time.
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2019-05-05 00:52:41 +09:30 |
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Paul Gardner-Stephen
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4958ad696f
|
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
|
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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5586e61ab9
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fix loading files > 255 bytes long.
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2019-05-05 00:14:21 +09:30 |
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Paul Gardner-Stephen
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f80b49b845
|
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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1b75d2bbfd
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remove debug
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2019-05-05 00:11:13 +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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fa55c83fff
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generally remove some debug output, add missing file, and make KERNAL LOAD routine more complete.
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2019-05-04 23:12:54 +09:30 |
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Paul Gardner-Stephen
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d124349e50
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handle EOI and generally get closer to a working LOAD routine
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2019-05-04 23:05:23 +09:30 |
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Paul Gardner-Stephen
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287953dab6
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fix latching of initial clock sequence when receiving a byte
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2019-05-04 22:54:46 +09:30 |
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Paul Gardner-Stephen
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1e524eb8be
|
send an invalid command instead.
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2019-05-04 22:30:36 +09:30 |
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Paul Gardner-Stephen
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ee87f4a775
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get to the point of being able to receive some bytes before locking up.
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2019-05-04 22:28:29 +09:30 |
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Paul Gardner-Stephen
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ea070f9bfe
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... and actually read the DATA bit when recording data in iec_rx_byte
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2019-05-04 22:20:57 +09:30 |
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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
|
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
|
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
|
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
|
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
|
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
|
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
|
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
|
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
|
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
|
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
|
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
|
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
|
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
|
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
|
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
|
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
|
6df769320a
|
parse line number argument in RUN statement
|
2019-04-29 22:40:24 +09:30 |
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Paul Gardner-Stephen
|
65af677caa
|
factor out basic line number parsing routine
|
2019-04-29 22:36:25 +09:30 |
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Paul Gardner-Stephen
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270314640c
|
refactor end of statement check.
|
2019-04-29 22:27:58 +09:30 |
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Paul Gardner-Stephen
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3bdfa8f834
|
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
|
7c960fd6b4
|
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
|
995dc52967
|
work towards being able to run programs
|
2019-04-29 22:16:00 +09:30 |
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Paul Gardner-Stephen
|
b15ddafa6a
|
allow multiple statements on single line. Issue #14
|
2019-04-29 22:05:27 +09:30 |
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Paul Gardner-Stephen
|
3a58c781c7
|
carriage return clears quote and insert modes
|
2019-04-29 22:05:12 +09:30 |
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Paul Gardner-Stephen
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b44869c87b
|
fix handling of Vendor key combo parsing when screen scraping keyboard input
|
2019-04-29 21:53:06 +09:30 |
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Paul Gardner-Stephen
|
38c3f158d2
|
Fix display of shift+key combos in REM and quote strings. Issue #11
|
2019-04-29 21:44:29 +09:30 |
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Paul Gardner-Stephen
|
b5ab7ba10c
|
fix CHROUT handling of most character codes
|
2019-04-29 21:36:56 +09:30 |
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Paul Gardner-Stephen
|
8ffe1b61da
|
fix display of quoted control codes. Issue #11
|
2019-04-29 21:25:23 +09:30 |
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Paul Gardner-Stephen
|
366ee483cb
|
Simplify and improve control code detection
|
2019-04-29 21:19:04 +09:30 |
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Paul Gardner-Stephen
|
2b9f1cc2ee
|
Fix Issue #17
|
2019-04-29 21:12:01 +09:30 |
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|
Paul Gardner-Stephen
|
67ac641741
|
make LIST command honour REM and quotes.
|
2019-04-29 21:08:53 +09:30 |
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Paul Gardner-Stephen
|
bc5e3cdbb9
|
Fix Issue #15
|
2019-04-29 21:00:00 +09:30 |
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Paul Gardner-Stephen
|
71567e39ac
|
LIST now largely works.
|
2019-04-28 22:48:03 +09:30 |
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Paul Gardner-Stephen
|
8c84566e53
|
begin implementing LIST command printing of line bodies
|
2019-04-28 22:37:11 +09:30 |
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Paul Gardner-Stephen
|
c7db426bd3
|
begin implementing LIST command
|
2019-04-28 22:30:49 +09:30 |
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|
Paul Gardner-Stephen
|
6a0b2d8e7f
|
implement beginnings of BASIC main loop execution
|
2019-04-28 22:10:32 +09:30 |
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|
Paul Gardner-Stephen
|
06a227696e
|
begin implementing BASIC command loop
|
2019-04-28 21:59:02 +09:30 |
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|
Paul Gardner-Stephen
|
30e900e2cf
|
implement syntax error as default behaviour
|
2019-04-28 21:51:44 +09:30 |
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Paul Gardner-Stephen
|
249266232c
|
begin implementing framework for interpreting BASIC statements.
|
2019-04-28 21:50:52 +09:30 |
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|
Paul Gardner-Stephen
|
3ab4f385ac
|
fix printing of integers and BASIC free bytes on startup
|
2019-04-28 21:36:33 +09:30 |
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|
Paul Gardner-Stephen
|
0c05cd335f
|
fix inverted sense of cartridge detect in free RAM calculation
|
2019-04-28 21:27:31 +09:30 |
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|
Paul Gardner-Stephen
|
9ac00426f3
|
display correct # of basic bytes free on startup
|
2019-04-28 21:26:33 +09:30 |
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|
Paul Gardner-Stephen
|
2193cf9520
|
fix integer printing routine
|
2019-04-28 21:21:53 +09:30 |
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|
Paul Gardner-Stephen
|
c1a85217a0
|
work towards printing integers
|
2019-04-28 21:19:41 +09:30 |
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|
Paul Gardner-Stephen
|
e0bd266f6e
|
don't print READY after entering, modifying or deleting a line of BASIC
|
2019-04-28 20:51:54 +09:30 |
|
|
Paul Gardner-Stephen
|
4a4e6ddbb9
|
fix Issue #13
|
2019-04-28 20:48:46 +09:30 |
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|
Paul Gardner-Stephen
|
f43fedea21
|
remove more debug output
|
2019-04-28 20:44:05 +09:30 |
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Paul Gardner-Stephen
|
ced0eeb319
|
disable debug output in basic line inserting, deleting and replacing
|
2019-04-28 20:41:38 +09:30 |
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|
Paul Gardner-Stephen
|
ff10535447
|
fix deleting line bugs
|
2019-04-28 20:39:15 +09:30 |
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|
Paul Gardner-Stephen
|
696c908483
|
fix bugs in calculation of memory range to copy down.
|
2019-04-28 20:33:07 +09:30 |
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|
Paul Gardner-Stephen
|
906fe108b3
|
work towards being able to delete BASIC lines
|
2019-04-28 20:27:19 +09:30 |
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|
Paul Gardner-Stephen
|
490dda059f
|
expand documentation of line replacement
|
2019-04-28 20:06:26 +09:30 |
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|
Paul Gardner-Stephen
|
9d83d95a6c
|
don't re-insert an empty line if deleting a line
|
2019-04-28 19:58:45 +09:30 |
|
|
Paul Gardner-Stephen
|
5031764214
|
Fix issue #12
|
2019-04-28 17:01:17 +09:30 |
|