Radosław Kujawa
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2cc9d86c64
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Simplify error handling if malloc fails.
There's no way to reliable handle out of memory situation in an
emulator. So just bail out by raising assertion.
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2018-08-05 23:45:44 +02:00 |
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Radosław Kujawa
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6d7f0abef0
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Comment WAI/interrupt behaviour.
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2018-04-13 11:25:30 +02:00 |
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Radosław Kujawa
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d0728c8ade
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Emulate invalid instructions.
Treat them as NOPs of different length just as real 65C02.
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2018-04-10 13:56:37 +02:00 |
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Radosław Kujawa
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faec05b87e
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Start doxifying the documentation.
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2018-04-10 12:17:59 +02:00 |
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Radosław Kujawa
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ed4b2786b6
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Simplify ROM loading by providing utility function.
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2018-04-10 10:12:27 +02:00 |
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Radosław Kujawa
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7cf3f263e3
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Simplify handling ciritcal emulation errors.
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2018-04-01 21:40:49 +02:00 |
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Radosław Kujawa
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68fa918d97
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Document the way invalid opcodes are handled.
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2018-04-01 21:16:58 +02:00 |
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Radosław Kujawa
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9c16656198
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Disable tracing by default.
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2018-03-26 16:11:26 +02:00 |
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Radosław Kujawa
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ae3e782b74
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Use boehm gc to manage memory.
I'm less likely to fuck this up now.
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2018-03-26 12:36:47 +02:00 |
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Radosław Kujawa
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eeb337a0d6
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Don't forget newline when printing regs.
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2018-03-24 00:14:41 +01:00 |
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Radosław Kujawa
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5fddf2c5dc
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More refactoring and improvements to logging!
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2018-03-23 13:37:07 +01:00 |
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Radosław Kujawa
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5cb6f3488e
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Further improvements and refactoring to logging.
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2018-03-22 15:08:51 +01:00 |
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Radosław Kujawa
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47aca32da7
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Add minimal logging functionality.
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2018-03-21 16:22:29 +01:00 |
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Radosław Kujawa
|
de1ab25427
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Make runtime disassembly optional.
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2017-02-15 21:38:51 +01:00 |
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Radosław Kujawa
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0b83a263d7
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Introduce trace functionality.
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2017-02-15 21:32:12 +01:00 |
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Radosław Kujawa
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6afb4531d5
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The rk65c02_exec should return immediately after hitting breakpoint.
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2017-02-15 19:56:22 +01:00 |
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Radosław Kujawa
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3363959b87
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Add breakpoints.
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2017-02-14 11:17:40 +01:00 |
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Radosław Kujawa
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4c7a15f524
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Add emulation of WAI instruction.
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2017-02-09 21:53:45 +01:00 |
|
Radosław Kujawa
|
299b7ee7d8
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Add functions to dump stack.
Always useful.
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2017-02-06 23:16:00 +01:00 |
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Radosław Kujawa
|
ac48e5435f
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Add preliminary support for interrupts.
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2017-02-04 21:44:13 +01:00 |
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Radosław Kujawa
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51b47d707b
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Set reason for stopping the emulation when stepping.
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2017-02-03 22:21:43 +01:00 |
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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
|
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
|
1f581d3fd3
|
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
|
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
|
80b6848108
|
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 |
|
Radosław Kujawa
|
285d2ee828
|
Initial state of the CPU has IRQ disable bit set.
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2017-01-25 21:17:18 +01:00 |
|
Radosław Kujawa
|
5eede9333b
|
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
|
5ca671aecb
|
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
|
51de051e19
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Stop on unimplemented instruction.
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2017-01-20 23:18:00 +01:00 |
|
Radosław Kujawa
|
bcedb50e48
|
Clean up.
|
2017-01-20 09:11:22 +01:00 |
|
Radosław Kujawa
|
52ce9bff8c
|
Preliminary support for emulation of instructions.
Some refactoring while here.
|
2017-01-18 17:18:19 +01:00 |
|
Radosław Kujawa
|
f106e227cd
|
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
|
23802b176f
|
Instruction set definition is now private to 65c02isa.c, has API.
Minor refactoring while here, splitting stuff.
|
2017-01-17 14:29:20 +01:00 |
|
Radosław Kujawa
|
d515954f44
|
Move reg_state struct to header, rename op to opcode.
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2017-01-17 11:18:48 +01:00 |
|
Radosław Kujawa
|
0da3d6dc5f
|
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 |
|
Radosław Kujawa
|
64e71a081f
|
Since this is a library, off with the main function now.
|
2017-01-16 23:54:24 +01:00 |
|
Radosław Kujawa
|
e7c81c0fbc
|
Initial import, skeleton...
|
2017-01-16 19:35:28 +01:00 |
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