Commit Graph
399 Commits
Author SHA1 Message Date
Paul Gardner-Stephen b1eff47e97 replace simple startup message with Deft's fancy one 2019-05-06 22:29:24 +09:30
Paul Gardner-Stephen 7183b3a39e fix initialisation of ZP 2019-05-06 22:02:07 +09:30
Paul Gardner-Stephen 5359801149 work around VICE bug 2019-05-06 21:59:45 +09:30
Paul Gardner-Stephen 54ecbf9097 implement joystick 1 cursor movement. 2019-05-06 16:45:01 +09:30
Paul Gardner-Stephen b3e446b64e show line number when BREAKing 2019-05-06 07:14:53 +09:30
Paul Gardner-Stephen 0a46e7c135 implement GOTO command 2019-05-06 07:11:23 +09:30
Paul Gardner-Stephen d8d7d878e4 fix preservation of I flag in memory move routines. 2019-05-06 07:09:46 +09:30
Paul Gardner-Stephen 7d1f7fb7c5 begin implementing REM command. 2019-05-06 07:06:19 +09:30
Paul Gardner-Stephen fab8839c76 allow RUN/STOP to stop LIST command. 2019-05-05 22:36:17 +09:30
Paul Gardner-Stephen 4b88af9da0 make SCNKEY routine actually do what it should. Issue #23 2019-05-05 16:36:39 +09:30
Paul Gardner-Stephen 810dfb75af put setup VIC-II routine at $E5A0 for Advanced Pinball Simulator. Issue #23 2019-05-05 16:31:24 +09:30
Paul Gardner-Stephen e88f12f2ed put IOINIT at $FDA3. Issue #20 2019-05-05 15:06:50 +09:30
Paul Gardner-Stephen 933351943f move all VIC-II initialisation from IOINIT to CINT. Issue #20 2019-05-05 15:06:09 +09:30
Paul Gardner-Stephen 8f09d4e8e1 fix typo. Issue #20 2019-05-05 14:58:32 +09:30
Paul Gardner-Stephen ccf4dbe5da implement $EA7E entry point and fix $EA31 entry point. Issue #20 2019-05-05 14:57:42 +09:30
Paul Gardner-Stephen 1d850ad7c3 place some routines at well known expected locations. 2019-05-05 02:24:34 +09:30
Paul Gardner-Stephen 4a374b27be Fix LIST output for Nebulus: line links with high byte = $00 = end of program. 2019-05-05 02:21:47 +09:30
Paul Gardner-Stephen 49536d8378 fix handling of EOI marker so we can load more than one program in life of system 2019-05-05 02:15:46 +09:30
Paul Gardner-Stephen 1005ee4952 fix detection and reporting of FILE NOT FOUND error 2019-05-05 02:02:01 +09:30
Paul Gardner-Stephen 4ddd31176e remove debug output 2019-05-05 01:40:57 +09:30
Paul Gardner-Stephen 98f2d022ce stop after completing a LOAD command. 2019-05-05 01:40:45 +09:30
Paul Gardner-Stephen e6fee5e979 fix more problems with loading. Now SEARCHING FOR message works. 2019-05-05 01:38:51 +09:30
Paul Gardner-Stephen e547b56003 fix various problems with LOAD taking a real filename. More to do. 2019-05-05 01:26:37 +09:30
Paul Gardner-Stephen f14cf20c92 explicitly compare read result with zero now that under ROM routines preserve P 2019-05-05 00:54:53 +09:30
Paul Gardner-Stephen 66964ab567 fix routines to peek/poke under ROMs 2019-05-05 00:53:14 +09:30
Paul Gardner-Stephen 000b87b87b send whole filename, instead of first char until end of time. 2019-05-05 00:52:41 +09:30
Paul Gardner-Stephen 4958ad696f more work towards making LOAD command accept filename 2019-05-05 00:45:26 +09:30
Paul Gardner-Stephen 2824abafd9 remove debug output 2019-05-05 00:27:01 +09:30
Paul Gardner-Stephen 74aaf9fe3f fix bug in print_integer with digit 9 2019-05-05 00:25:15 +09:30
Paul Gardner-Stephen 5586e61ab9 fix loading files > 255 bytes long. 2019-05-05 00:14:21 +09:30
Paul Gardner-Stephen f80b49b845 relink BASIC lines after loading a program. 2019-05-05 00:11:19 +09:30
Paul Gardner-Stephen 1b75d2bbfd remove debug 2019-05-05 00:11:13 +09:30
Paul Gardner-Stephen 6d74679a5c set end of loaded memory pointer in BASIC LOAD routine. Other small fixes. 2019-05-04 23:52:48 +09:30
Paul Gardner-Stephen 0a97a16552 remove some debug output 2019-05-04 23:41:19 +09:30
Paul Gardner-Stephen 19c9d655ce clear reverse video flag after displaying each line 2019-05-04 23:41:07 +09:30
Paul Gardner-Stephen 4a3ea0d091 Start implementing LOAD KERNAL routine to actually load where it should. 2019-05-04 23:38:42 +09:30
Paul Gardner-Stephen fa55c83fff generally remove some debug output, add missing file, and make KERNAL LOAD routine more complete. 2019-05-04 23:12:54 +09:30
Paul Gardner-Stephen d124349e50 handle EOI and generally get closer to a working LOAD routine 2019-05-04 23:05:23 +09:30
Paul Gardner-Stephen 287953dab6 fix latching of initial clock sequence when receiving a byte 2019-05-04 22:54:46 +09:30
Paul Gardner-Stephen 1e524eb8be send an invalid command instead. 2019-05-04 22:30:36 +09:30
Paul Gardner-Stephen ee87f4a775 get to the point of being able to receive some bytes before locking up. 2019-05-04 22:28:29 +09:30
Paul Gardner-Stephen ea070f9bfe ... and actually read the DATA bit when recording data in iec_rx_byte 2019-05-04 22:20:57 +09:30
Paul Gardner-Stephen c80ff23599 ... and fix the same stupid use of wrong bit in iec_wait_for_clock_assert 2019-05-04 22:18:41 +09:30
Paul Gardner-Stephen b1945095fc fix stupid checking of wrong bit in iec_wait_for_clock_release 2019-05-04 22:16:47 +09:30
Paul Gardner-Stephen acbac9e5f8 simplify and fix iec_turnaround_to_listen based on 1541-III documentation 2019-05-04 22:13:59 +09:30
Paul Gardner-Stephen 37277ba5a3 try just reading error channel as a test 2019-05-04 22:09:42 +09:30
Paul Gardner-Stephen d0932029bb actually try 255 times before giving up when waiting for talker turnaround. 2019-05-04 22:09:19 +09:30
Paul Gardner-Stephen 84841ab283 fix bug in iec_tx_byte in acknowledgement check. 2019-05-04 22:01:36 +09:30
Paul Gardner-Stephen cdbb1b8c58 implement dummy read from command channel routine to aid debugging 2019-05-04 18:09:40 +09:30
Paul Gardner-Stephen 27432fa745 fix clearing C flag on return. 2019-05-04 18:08:57 +09:30