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rk65c02
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315 Commits 4 Branches 0 Tags 462 KiB
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315 Commits

Author SHA1 Message Date
Radosław Kujawa ca291b0336 IRQ disable flag is present by default after CPU boot. 2017-01-27 12:31:20 +01:00
Radosław Kujawa c1a63b011f Use srcdir config variable to obtain location of ROM files. 
This fixes "kyua test".
 2017-01-27 12:12:00 +01:00
Radosław Kujawa 1f3b61bec8 Implement test cases for DEC instruction. 2017-01-27 11:43:15 +01:00
Radosław Kujawa db75a9becc Add test cases for INC instruction. 2017-01-27 11:29:17 +01:00
Radosław Kujawa 1f581d3fd3 Add function to dump registers state onto stdout. 2017-01-27 11:27:14 +01:00
Radosław Kujawa 646c7d1905 Some opcodes also write data to accumulator. 2017-01-27 11:03:50 +01:00
Radosław Kujawa 8d5482ad09 Remove x bit from the awk program, it is never started directly. 2017-01-27 10:14:32 +01:00
Radosław Kujawa 0c63342ad7 Add comments explaing what these functions do. 2017-01-27 10:13:32 +01:00
Radosław Kujawa b7f1b8095b Add emulation of INC and DEC. 2017-01-27 00:04:47 +01:00
Radosław Kujawa 699d791023 Fix wrong object name. 2017-01-26 23:28:04 +01:00
Radosław Kujawa ea95e3d02c Fix pointer mess. 2017-01-26 23:27:54 +01:00
Radosław Kujawa 8ede93fb0e Merge branch 'master' of github.com:rkujawa/rk65c02 2017-01-26 23:22:56 +01:00
Radosław Kujawa bfb042cd1a Add test for stepping mode. 2017-01-26 23:22:40 +01:00
Radosław Kujawa 0e784db076 Don't forget to link with utils. 2017-01-26 21:37:54 +01:00
Radosław Kujawa 1da576c821 Merge branch 'master' of github.com:rkujawa/rk65c02 2017-01-26 17:27:22 +01:00
Radosław Kujawa 2ec6cb67ae Split ROM starting function into separate file. 
It will also be used for other test programs than test_emulation.
 2017-01-26 13:11:37 +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 13ef3e2d08 Add PHX, PLX, PHY, PLY emulation and test cases. 2017-01-25 13:14:00 +01:00
Radosław Kujawa acc0fad32e Add emulation of BIT instruction and test cases for it. 2017-01-25 10:10:00 +01:00
Radosław Kujawa 7915657355 Add bit testing macro. 2017-01-25 10:09:50 +01:00
Radosław Kujawa 95db0b7dd2 Add commented out debug message. 2017-01-25 10:09:38 +01:00
Radosław Kujawa a570afb007 Add STA test cases for all addressing modes. 2017-01-24 22:18:52 +01:00
Radosław Kujawa 47028b0e26 Add commented out debug message. 2017-01-24 22:18:21 +01:00
Radosław Kujawa 90b6c06e32 Fix missing breaks in indirect zero page handling switch. 2017-01-24 22:18:02 +01:00
Radosław Kujawa 3a4a0a06d3 Add ORA tests, for all addressing modes. 2017-01-24 16:37:55 +01:00
Radosław Kujawa 39aaca5034 Correct indirect zero page Y behaviour. 2017-01-24 16:37:10 +01:00
Radosław Kujawa 20a39a8d6c Correct wrong ORA indirect zero page X size. 2017-01-24 16:36:39 +01:00
Radosław Kujawa b047c4ff81 Add test cases for TAX, TAY, TXA, TYA. 2017-01-24 12:55:46 +01:00
Radosław Kujawa cddba4c56b Don't hardcode ROM names in Makefile. 
There's too many of them now, so the names are constructed from the
list of assembly files, automatically.
 2017-01-24 12:36:27 +01:00
Radosław Kujawa 09f0a828e3 Add test cases for LDA addressing modes absolute X, absolute Y. 2017-01-23 16:33:03 +01:00
Radosław Kujawa 342a188314 Fix wrong mnemonic for absolute ORA. 2017-01-23 15:39:10 +01:00
Radosław Kujawa 6c3a203cdc Support all AND addressing modes. 2017-01-23 15:28:14 +01:00
Radosław Kujawa 0dd63f2bf0 Add ROL and ROR emulation. Too old to ror and to rol! 2017-01-23 15:25:32 +01:00
Radosław Kujawa f9708ca049 Add STA, STY, STX emulation. 2017-01-23 15:02:21 +01:00
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 3b2080403b Ignore .DS_Store 2017-01-23 13:47:22 +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 3cbede06f8 Add test for LDA with absolute addressing. 2017-01-23 10:28:44 +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