Radosław Kujawa
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4e3721ef85
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Mark invalid instructions as invalid, not as nops.
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2017-02-02 11:23:30 +01:00 |
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Radosław Kujawa
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249509fad0
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Clean up unused function.
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2017-02-02 11:00:32 +01:00 |
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Radosław Kujawa
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a153b4e77f
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Also test overflow for SBC.
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2017-02-02 00:03:27 +01:00 |
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Radosław Kujawa
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8e732f3b94
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Make SBC somewhat less broken.
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2017-02-01 22:15:16 +01:00 |
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Radosław Kujawa
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436810b79f
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The overflow flag should be represented by "V".
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2017-02-01 22:11:24 +01:00 |
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Radosław Kujawa
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92418b0f1f
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Add SBC emulation.
Of dubious quality.
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2017-02-01 14:35:50 +01:00 |
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Radosław Kujawa
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371856f6c7
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Make emul_bbr/bbs/smb/rmb functions static.
Since they are only called by wrappers within the same file.
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2017-01-31 23:30:49 +01:00 |
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Radosław Kujawa
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faa824e306
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Implement emulation of ADC, plug the overflow test.
While here fix numerous test cases, lol.
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2017-01-31 23:08:23 +01:00 |
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Radosław Kujawa
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2f076f4a16
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Stop cleanly even if test is not working properly.
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2017-01-31 23:07:17 +01:00 |
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Radosław Kujawa
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14830b7950
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Add test case checking operation of overflow flag.
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2017-01-31 23:06:05 +01:00 |
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Radosław Kujawa
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afadfd8b13
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Fix pointer usage.
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2017-01-31 14:11:21 +01:00 |
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Radosław Kujawa
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44f723b016
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Attempt to emulate the BRK instruction.
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2017-01-31 00:31:28 +01:00 |
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Radosław Kujawa
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b21d884f8b
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Clear the decimal flag on initialisation.
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2017-01-31 00:31:04 +01:00 |
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Radosław Kujawa
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bc137b9390
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Add emulation of BBR0-7 and BBS0-7 instructions.
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2017-01-30 21:25:45 +01:00 |
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Radosław Kujawa
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1c72bd23a8
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More meaningful comments.
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2017-01-30 21:24:45 +01:00 |
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Radosław Kujawa
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5554de9411
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Add TSB and TRB emulation.
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2017-01-29 22:54:06 +01:00 |
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Radosław Kujawa
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923a9db649
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Add emulation of SMB0-SMB7 instructions.
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2017-01-29 21:34:58 +01:00 |
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Radosław Kujawa
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bf01ceb4cf
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Add test cases for branches.
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2017-01-29 21:18:01 +01:00 |
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Radosław Kujawa
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3c5162b0b9
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Add emulation of branch instructions.
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2017-01-29 13:57:51 +01:00 |
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Radosław Kujawa
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79b5a01d10
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Add forgotten prototype of program_counter_branch().
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2017-01-29 13:57:20 +01:00 |
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Radosław Kujawa
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e0fa334e3e
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Fix relative address pritning in disassembly.
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2017-01-29 13:55:53 +01:00 |
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Radosław Kujawa
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f5a4f45127
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Add function setting the PC for branches.
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2017-01-29 13:29:17 +01:00 |
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Radosław Kujawa
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762f140efd
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Better operand formatting in disassembly.
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2017-01-29 13:08:32 +01:00 |
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Radosław Kujawa
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bb3f77ec7f
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Add JSR and RTS emulation and tests.
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2017-01-29 11:47:34 +01:00 |
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Radosław Kujawa
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4a8fbfbaeb
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Add CPX and CPY emulation and test cases.
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2017-01-28 14:04:20 +01:00 |
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Radosław Kujawa
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3640a162a3
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Add CMP emulation and test cases.
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2017-01-28 13:26:51 +01:00 |
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Radosław Kujawa
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f3205e7272
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Add CLI and SEI emulation and test case.
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2017-01-28 11:19:34 +01:00 |
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Radosław Kujawa
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ee66f9c78c
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Add emulation and test for CLV instruction.
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2017-01-28 11:12:25 +01:00 |
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Radosław Kujawa
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f66e986cef
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Test indirect modes of JMP.
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2017-01-28 00:11:16 +01:00 |
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Radosław Kujawa
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735c3677ce
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Correct address calculation for absolute indirect and absolute indirect X modes.
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2017-01-28 00:10:22 +01:00 |
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Radosław Kujawa
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8d2d694158
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Implement (partial) JMP emulation and basic test for it.
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2017-01-27 22:28:33 +01:00 |
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Radosław Kujawa
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05cedfb1f5
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Also print program counter when dumping regs.
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2017-01-27 22:28:09 +01:00 |
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Radosław Kujawa
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9da9f61f5a
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There's one more field in that generated header. Adjust.
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2017-01-27 22:27:30 +01:00 |
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Radosław Kujawa
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2430cfd722
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Branch and jump instrucitons need special PC treatment.
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2017-01-27 20:43:08 +01:00 |
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Radosław Kujawa
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9294891a23
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Remove unused variable.
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2017-01-27 20:43:02 +01:00 |
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Radosław Kujawa
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28a5d54510
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Add ASL and LSR emulation.
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2017-01-27 17:14:56 +01:00 |
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Radosław Kujawa
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f63c00b192
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Add RMB emulation.
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2017-01-27 13:18:02 +01:00 |
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Radosław Kujawa
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9122615df4
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Split function determining full path to ROM.
Adjust bus tests to this change.
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2017-01-27 12:32:12 +01:00 |
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Radosław Kujawa
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ca291b0336
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IRQ disable flag is present by default after CPU boot.
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2017-01-27 12:31:20 +01:00 |
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Radosław Kujawa
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c1a63b011f
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Use srcdir config variable to obtain location of ROM files.
This fixes "kyua test".
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2017-01-27 12:12:00 +01:00 |
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Radosław Kujawa
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1f3b61bec8
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Implement test cases for DEC instruction.
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2017-01-27 11:43:15 +01:00 |
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Radosław Kujawa
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db75a9becc
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Add test cases for INC instruction.
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2017-01-27 11:29:17 +01:00 |
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Radosław Kujawa
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1f581d3fd3
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Add function to dump registers state onto stdout.
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2017-01-27 11:27:14 +01:00 |
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Radosław Kujawa
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646c7d1905
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Some opcodes also write data to accumulator.
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2017-01-27 11:03:50 +01:00 |
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Radosław Kujawa
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8d5482ad09
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Remove x bit from the awk program, it is never started directly.
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2017-01-27 10:14:32 +01:00 |
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Radosław Kujawa
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0c63342ad7
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Add comments explaing what these functions do.
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2017-01-27 10:13:32 +01:00 |
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Radosław Kujawa
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b7f1b8095b
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Add emulation of INC and DEC.
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2017-01-27 00:04:47 +01:00 |
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Radosław Kujawa
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699d791023
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Fix wrong object name.
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2017-01-26 23:28:04 +01:00 |
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Radosław Kujawa
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ea95e3d02c
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Fix pointer mess.
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2017-01-26 23:27:54 +01:00 |
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Radosław Kujawa
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8ede93fb0e
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Merge branch 'master' of github.com:rkujawa/rk65c02
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2017-01-26 23:22:56 +01:00 |
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