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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c7633feb87
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Add STZ emulation.
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2017-01-21 21:46:35 +01:00 |
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Radosław Kujawa
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86c9c6414c
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Add function to write data onto bus according to choosen addressing mode.
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2017-01-21 21:43:31 +01:00 |
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Radosław Kujawa
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8abbb88d0d
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Fix dependencies for static lib building.
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2017-01-21 21:41:19 +01:00 |
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Radosław Kujawa
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2c7e67d69d
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Ignore headers generated during build and ROMs.
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2017-01-21 16:03:31 +01:00 |
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Radosław Kujawa
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b6ed8892bb
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Add generation of emulation.h to Makefile.
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2017-01-21 14:58:00 +01:00 |
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Radosław Kujawa
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1802bfbd1d
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Add missing includes, fix typo.
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2017-01-21 14:57:49 +01:00 |
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Radosław Kujawa
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e3abea91ef
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Add awk script to automatically generate emulation.h from CSV.
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2017-01-21 14:52:38 +01:00 |
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Radosław Kujawa
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0d5916eb7d
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Gotta generate header for emulation functions from CSV.
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2017-01-21 12:08:00 +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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1820418c62
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Adjust C header generation to take CSV header into account.
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2017-01-20 23:23:25 +01:00 |
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Radosław Kujawa
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d2dc51cbd3
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Add a header. Now looks nicer on GitHub!
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2017-01-20 23:23:04 +01:00 |
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Radosław Kujawa
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07e1a008d9
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Add preliminary stack tests, test ROMs for PLA, PHA.
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2017-01-20 23:18:25 +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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2adf864f4f
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Debugging symbols by default.
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2017-01-20 23:17:35 +01:00 |
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Radosław Kujawa
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c083114c12
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Increment stack pointer before poping.
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2017-01-20 23:16:02 +01:00 |
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Radosław Kujawa
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86e00e651d
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Make this actually compile.
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2017-01-20 22:38:46 +01:00 |
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Radosław Kujawa
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0dc7dac6a3
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Add PLA, PHA emulation.
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2017-01-20 22:26:13 +01:00 |
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Radosław Kujawa
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657fb0cad2
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Use rom_start() for NOP test.
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2017-01-20 22:24:08 +01:00 |
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Radosław Kujawa
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172b2e3f6f
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Add test case for immediate AND.
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2017-01-20 22:04:33 +01:00 |
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Radosław Kujawa
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7862703c88
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Add functions to pop/push emulated CPU stack.
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2017-01-20 22:03:03 +01:00 |
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Radosław Kujawa
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a50da41388
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Implement AND emulation and test.
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2017-01-20 10:41:56 +01:00 |
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Radosław Kujawa
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3bcc7bb096
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Introduce instruction-independent status adjustment functions.
For now only for negative and zero. Also use them in LDA emulation.
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2017-01-20 10:25:19 +01:00 |
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Radosław Kujawa
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5201cfdc87
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Print operand hex vals during disassembly.
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2017-01-20 09:46:33 +01:00 |
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Radosław Kujawa
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14233cf3ca
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Implement status flags for LDA emulation.
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2017-01-20 09:11:34 +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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b498da3ac8
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Add CLI skeleton.
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2017-01-19 23:49:27 +01:00 |
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Radosław Kujawa
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f42f88c148
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Add status register bits.
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2017-01-19 14:06:19 +01:00 |
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Radosław Kujawa
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8d3f7266fb
|
LDA emulation tests.
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2017-01-19 11:50:11 +01:00 |
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Radosław Kujawa
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6b7ddbf865
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LDA zero page emulation and test for it.
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2017-01-19 11:49:05 +01:00 |
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Radosław Kujawa
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49b70f0e1f
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Make instruction data read more flexible and split from emulation of particular instruction.
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2017-01-19 10:59:35 +01:00 |
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Radosław Kujawa
|
87cafb607f
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Support loading ROMs from files, adjust nop test case.
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2017-01-19 00:57:09 +01:00 |
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Radosław Kujawa
|
abc209df99
|
Add emulation tests.
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2017-01-19 00:21:00 +01:00 |
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Radosław Kujawa
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e7380477a9
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Remove debug printfs.
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2017-01-19 00:20:53 +01:00 |
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Radosław Kujawa
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73e4be2acc
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Add support for building test case ROMs with vasm.
While here add first such ROM, for nop instruction test.
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2017-01-18 23:47:55 +01:00 |
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Radosław Kujawa
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92914d4aa0
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Experiment with emulating opcode requring operands.
Immediate lda now works.
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2017-01-18 22:37:00 +01:00 |
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Radosław Kujawa
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e7e30292d5
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Fix incorrect instruction sizes.
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2017-01-18 22:11:13 +01:00 |
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Radosław Kujawa
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380b524a51
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Assign a separate identifier for all invalid nops.
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2017-01-18 22:05:50 +01:00 |
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Radosław Kujawa
|
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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d6876b38a1
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Write down all 65C02 instructions.
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2017-01-18 14:37:44 +01:00 |
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Radosław Kujawa
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3032baeac4
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Temporarily disable assert checking if instr was implemented.
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2017-01-18 14:37:24 +01:00 |
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Radosław Kujawa
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bd0eeea144
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Adjust build process and instruction-related funcs.
Due to new dynamically build 65c02isa.h header.
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2017-01-18 12:09:14 +01:00 |
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Radosław Kujawa
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611f51201f
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Generate instruction set from CSV file and awk script.
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2017-01-18 12:08:55 +01:00 |
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Radosław Kujawa
|
372dca2db8
|
Remove instruction set.
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2017-01-18 12:08:07 +01:00 |
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Radosław Kujawa
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e36a9c34fb
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Add accumulator addressing mode handling.
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2017-01-18 11:12:37 +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
|
aa362b81fd
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Add structs representing current emulator state.
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2017-01-17 11:28:42 +01:00 |
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Radosław Kujawa
|
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
|
0da3d6dc5f
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Instruction addressing modes now handled with enum.
While here imlpement instruciton printing for all addressing modes.
|
2017-01-17 00:42:31 +01:00 |
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