Radosław Kujawa
|
ee8a16a5ba
|
Add ORA and EOR emulation.
|
2017-01-23 14:53:05 +01:00 |
|
Radosław Kujawa
|
6b7298cf8d
|
Avoid intermediate variable in AND emulation.
|
2017-01-23 14:45:46 +01:00 |
|
Radosław Kujawa
|
aee947ad1f
|
Don't forget to add LDY to CSV...
|
2017-01-23 14:44:55 +01:00 |
|
Radosław Kujawa
|
552fad8a7e
|
LDY emulation.
|
2017-01-23 14:43:54 +01:00 |
|
Radosław Kujawa
|
5c38e5f05a
|
Add emulation of LDX, TXA, TYA, TXS, TAX, TAY, TSX.
|
2017-01-23 14:38:50 +01:00 |
|
Radosław Kujawa
|
ce492e6cd3
|
Support all addressing variants of STZ.
|
2017-01-23 13:46:17 +01:00 |
|
Radosław Kujawa
|
05f6599681
|
BSD/OS X awk does not like hexadecimal constants.
|
2017-01-23 13:41:31 +01:00 |
|
Radosław Kujawa
|
9c88afae2a
|
BBRx and BBSx instructions have zero page relative addressing.
Add zero page relative as a separate addressing type and adjust
opcode definitions for these two type of opcodes.
|
2017-01-23 12:17:06 +01:00 |
|
Radosław Kujawa
|
ee16c64310
|
Implement absolute X, absolute Y addressing.
|
2017-01-23 10:48:37 +01:00 |
|
Radosław Kujawa
|
452e4b3806
|
Implement indirect zero page with X and indirect zero page with Y addressing.
|
2017-01-23 10:29:19 +01:00 |
|
Radosław Kujawa
|
9e32c3e493
|
Try to emulate all variants of LDA.
But some addressing modes are still unimplemented...
|
2017-01-23 10:27:51 +01:00 |
|
Radosław Kujawa
|
87c424557e
|
Implement aboslute addressing mode.
|
2017-01-23 00:00:45 +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
|
074ecdccc3
|
No-operand INC has accumulator addressing mode, not implied.
|
2017-01-22 22:44:08 +01:00 |
|
Radosław Kujawa
|
1460817230
|
Correct mnemonic for LDX with Zero Page,Y addressing.
|
2017-01-22 22:40:32 +01:00 |
|
Radosław Kujawa
|
fb7d4b28e7
|
Add DEX, DEY emulation and test cases for them.
|
2017-01-22 22:35:50 +01:00 |
|
Radosław Kujawa
|
52247f0ce4
|
Implement CLC, SEC and test for them.
|
2017-01-22 13:50:04 +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
|
c7633feb87
|
Add STZ emulation.
|
2017-01-21 21:46:35 +01:00 |
|
Radosław Kujawa
|
86c9c6414c
|
Add function to write data onto bus according to choosen addressing mode.
|
2017-01-21 21:43:31 +01:00 |
|
Radosław Kujawa
|
8abbb88d0d
|
Fix dependencies for static lib building.
|
2017-01-21 21:41:19 +01:00 |
|
Radosław Kujawa
|
b6ed8892bb
|
Add generation of emulation.h to Makefile.
|
2017-01-21 14:58:00 +01:00 |
|
Radosław Kujawa
|
1802bfbd1d
|
Add missing includes, fix typo.
|
2017-01-21 14:57:49 +01:00 |
|
Radosław Kujawa
|
e3abea91ef
|
Add awk script to automatically generate emulation.h from CSV.
|
2017-01-21 14:52:38 +01:00 |
|
Radosław Kujawa
|
0d5916eb7d
|
Gotta generate header for emulation functions from CSV.
|
2017-01-21 12:08:00 +01:00 |
|
Radosław Kujawa
|
5ca671aecb
|
Print value of PC register when unimplemented opcode encountered.
|
2017-01-21 09:13:43 +01:00 |
|
Radosław Kujawa
|
1820418c62
|
Adjust C header generation to take CSV header into account.
|
2017-01-20 23:23:25 +01:00 |
|
Radosław Kujawa
|
d2dc51cbd3
|
Add a header. Now looks nicer on GitHub!
|
2017-01-20 23:23:04 +01:00 |
|
Radosław Kujawa
|
51de051e19
|
Stop on unimplemented instruction.
|
2017-01-20 23:18:00 +01:00 |
|
Radosław Kujawa
|
2adf864f4f
|
Debugging symbols by default.
|
2017-01-20 23:17:35 +01:00 |
|
Radosław Kujawa
|
c083114c12
|
Increment stack pointer before poping.
|
2017-01-20 23:16:02 +01:00 |
|
Radosław Kujawa
|
86e00e651d
|
Make this actually compile.
|
2017-01-20 22:38:46 +01:00 |
|
Radosław Kujawa
|
0dc7dac6a3
|
Add PLA, PHA emulation.
|
2017-01-20 22:26:13 +01:00 |
|
Radosław Kujawa
|
7862703c88
|
Add functions to pop/push emulated CPU stack.
|
2017-01-20 22:03:03 +01:00 |
|
Radosław Kujawa
|
a50da41388
|
Implement AND emulation and test.
|
2017-01-20 10:41:56 +01:00 |
|
Radosław Kujawa
|
3bcc7bb096
|
Introduce instruction-independent status adjustment functions.
For now only for negative and zero. Also use them in LDA emulation.
|
2017-01-20 10:25:19 +01:00 |
|
Radosław Kujawa
|
5201cfdc87
|
Print operand hex vals during disassembly.
|
2017-01-20 09:46:33 +01:00 |
|
Radosław Kujawa
|
14233cf3ca
|
Implement status flags for LDA emulation.
|
2017-01-20 09:11:34 +01:00 |
|
Radosław Kujawa
|
bcedb50e48
|
Clean up.
|
2017-01-20 09:11:22 +01:00 |
|
Radosław Kujawa
|
b498da3ac8
|
Add CLI skeleton.
|
2017-01-19 23:49:27 +01:00 |
|
Radosław Kujawa
|
f42f88c148
|
Add status register bits.
|
2017-01-19 14:06:19 +01:00 |
|
Radosław Kujawa
|
6b7ddbf865
|
LDA zero page emulation and test for it.
|
2017-01-19 11:49:05 +01:00 |
|
Radosław Kujawa
|
49b70f0e1f
|
Make instruction data read more flexible and split from emulation of particular instruction.
|
2017-01-19 10:59:35 +01:00 |
|
Radosław Kujawa
|
87cafb607f
|
Support loading ROMs from files, adjust nop test case.
|
2017-01-19 00:57:09 +01:00 |
|
Radosław Kujawa
|
e7380477a9
|
Remove debug printfs.
|
2017-01-19 00:20:53 +01:00 |
|
Radosław Kujawa
|
92914d4aa0
|
Experiment with emulating opcode requring operands.
Immediate lda now works.
|
2017-01-18 22:37:00 +01:00 |
|
Radosław Kujawa
|
e7e30292d5
|
Fix incorrect instruction sizes.
|
2017-01-18 22:11:13 +01:00 |
|
Radosław Kujawa
|
380b524a51
|
Assign a separate identifier for all invalid nops.
|
2017-01-18 22:05:50 +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
|
d6876b38a1
|
Write down all 65C02 instructions.
|
2017-01-18 14:37:44 +01:00 |
|
Radosław Kujawa
|
3032baeac4
|
Temporarily disable assert checking if instr was implemented.
|
2017-01-18 14:37:24 +01:00 |
|
Radosław Kujawa
|
bd0eeea144
|
Adjust build process and instruction-related funcs.
Due to new dynamically build 65c02isa.h header.
|
2017-01-18 12:09:14 +01:00 |
|
Radosław Kujawa
|
611f51201f
|
Generate instruction set from CSV file and awk script.
|
2017-01-18 12:08:55 +01:00 |
|
Radosław Kujawa
|
372dca2db8
|
Remove instruction set.
|
2017-01-18 12:08:07 +01:00 |
|
Radosław Kujawa
|
e36a9c34fb
|
Add accumulator addressing mode handling.
|
2017-01-18 11:12:37 +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
|
aa362b81fd
|
Add structs representing current emulator state.
|
2017-01-17 11:28:42 +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
|
a0821195c7
|
Also build static library and use it for tests.
|
2017-01-16 23:54:46 +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
|
f298eaade0
|
rk65c02 is now a shared library.
|
2017-01-16 22:56:07 +01:00 |
|
Radosław Kujawa
|
b446b08271
|
Add missing argument to bus_finish() prototype.
|
2017-01-16 22:55:42 +01:00 |
|
Radosław Kujawa
|
26384ce27d
|
Add asserts to freeing the bus.
|
2017-01-16 21:34:56 +01:00 |
|
Radosław Kujawa
|
e7c81c0fbc
|
Initial import, skeleton...
|
2017-01-16 19:35:28 +01:00 |
|