Radosław Kujawa
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941036615e
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Add some null pointer checking asserts.
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2017-02-02 14:43:44 +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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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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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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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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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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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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1da576c821
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Merge branch 'master' of github.com:rkujawa/rk65c02
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2017-01-26 17:27:22 +01:00 |
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Radosław Kujawa
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80b6848108
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Preliminary support for stepping.
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2017-01-26 13:11:00 +01:00 |
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Radosław Kujawa
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941e89173a
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Add struct with info about reason for stopping emulation.
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2017-01-26 12:52:40 +01:00 |
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Radosław Kujawa
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285d2ee828
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Initial state of the CPU has IRQ disable bit set.
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2017-01-25 21:17:18 +01:00 |
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Radosław Kujawa
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5eede9333b
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Add emulation of PHP, PLP instructions and test cases for them.
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2017-01-22 23:01:24 +01:00 |
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Radosław Kujawa
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473e0e2636
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Add INX, INY emulation and test cases.
Some comments while here.
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2017-01-22 13:07:21 +01:00 |
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Radosław Kujawa
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e763ca0d3a
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Avoid getting instruction definition again when emulating.
While here try to make program counter incrementation more universal
and flexible.
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2017-01-22 11:07:19 +01:00 |
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Radosław Kujawa
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5ca671aecb
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Print value of PC register when unimplemented opcode encountered.
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2017-01-21 09:13:43 +01:00 |
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Radosław Kujawa
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51de051e19
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Stop on unimplemented instruction.
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2017-01-20 23:18:00 +01:00 |
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Radosław Kujawa
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bcedb50e48
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Clean up.
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2017-01-20 09:11:22 +01:00 |
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Radosław Kujawa
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52ce9bff8c
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Preliminary support for emulation of instructions.
Some refactoring while here.
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2017-01-18 17:18:19 +01:00 |
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Radosław Kujawa
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f106e227cd
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Prepare structures for adding emulation of instructions.
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2017-01-18 15:45:28 +01:00 |
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Radosław Kujawa
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23802b176f
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Instruction set definition is now private to 65c02isa.c, has API.
Minor refactoring while here, splitting stuff.
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2017-01-17 14:29:20 +01:00 |
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Radosław Kujawa
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d515954f44
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Move reg_state struct to header, rename op to opcode.
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2017-01-17 11:18:48 +01:00 |
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Radosław Kujawa
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0da3d6dc5f
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Instruction addressing modes now handled with enum.
While here imlpement instruciton printing for all addressing modes.
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2017-01-17 00:42:31 +01:00 |
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Radosław Kujawa
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64e71a081f
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Since this is a library, off with the main function now.
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2017-01-16 23:54:24 +01:00 |
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Radosław Kujawa
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e7c81c0fbc
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Initial import, skeleton...
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2017-01-16 19:35:28 +01:00 |
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