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Commit Graph

18 Commits

Author SHA1 Message Date
Radosław Kujawa
0c63342ad7 Add comments explaing what these functions do. 2017-01-27 10:13:32 +01:00
Radosław Kujawa
1da576c821 Merge branch 'master' of github.com:rkujawa/rk65c02 2017-01-26 17:27:22 +01:00
Radosław Kujawa
80b6848108 Preliminary support for stepping. 2017-01-26 13:11:00 +01:00
Radosław Kujawa
941e89173a Add struct with info about reason for stopping emulation. 2017-01-26 12:52:40 +01:00
Radosław Kujawa
285d2ee828 Initial state of the CPU has IRQ disable bit set. 2017-01-25 21:17:18 +01:00
Radosław Kujawa
5eede9333b Add emulation of PHP, PLP instructions and test cases for them. 2017-01-22 23:01:24 +01:00
Radosław Kujawa
473e0e2636 Add INX, INY emulation and test cases.
Some comments while here.
2017-01-22 13:07:21 +01:00
Radosław Kujawa
e763ca0d3a Avoid getting instruction definition again when emulating.
While here try to make program counter incrementation more universal
and flexible.
2017-01-22 11:07:19 +01:00
Radosław Kujawa
5ca671aecb Print value of PC register when unimplemented opcode encountered. 2017-01-21 09:13:43 +01:00
Radosław Kujawa
51de051e19 Stop on unimplemented instruction. 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. 2017-01-18 15:45:28 +01:00
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. 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.
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