Takashi Toyoshima
|
7568e2aeac
|
Add UART receive functions
|
2014-12-11 00:27:35 +09:00 |
|
Takashi Toyoshima
|
02c08505eb
|
Implement I/O for lpc1114
Now Apple BASIC can run on the LPC1114 device :)
|
2014-12-09 04:54:33 +09:00 |
|
Takashi Toyoshima
|
826647fb93
|
Update test: now it can run Apple BASIC.
]10 PRINT "HELLO"
]20 END
]LIST
10 PRINT "HELLO"
20 END
]RUN
HELLO
]
|
2014-12-08 04:19:05 +09:00 |
|
Takashi Toyoshima
|
faacc4ea52
|
Bug fix: op7e ROR did not store result
- also fp should be saved as 32bit register
|
2014-12-08 03:38:58 +09:00 |
|
Takashi Toyoshima
|
47d7fb8749
|
Bug fix: 0x26 is not ROR but ROL
|
2014-12-08 03:23:08 +09:00 |
|
Takashi Toyoshima
|
4994158c0c
|
Bug fix: 0x2a is not ROR but ROL
|
2014-12-08 03:19:08 +09:00 |
|
Takashi Toyoshima
|
7dcce64f10
|
Bug fix: bit
|
2014-12-08 03:18:54 +09:00 |
|
Takashi Toyoshima
|
5465cc99d2
|
Update test.c to check Apple BASIC behaviors
|
2014-12-08 03:11:03 +09:00 |
|
Takashi Toyoshima
|
3f2daf7b08
|
Bug fix: data was broken on absolute and absolute indexed destination
Now it can show "Apple ][" logo by using Apple BASIC ROM!!
|
2014-12-08 03:01:27 +09:00 |
|
Takashi Toyoshima
|
62b69b5458
|
Bug fix: TSX was still wrong
|
2014-12-08 02:49:17 +09:00 |
|
Takashi Toyoshima
|
77fa2964f1
|
Bug fix: stack is hard :(
SP should wrap correctly on push and pop
|
2014-12-08 02:43:05 +09:00 |
|
Takashi Toyoshima
|
9098230d7d
|
Bug fix: conditions are hard :(
|
2014-12-08 02:35:47 +09:00 |
|
Takashi Toyoshima
|
2ad2fa6efb
|
Bug fix: BRK should set I flag
|
2014-12-08 00:50:05 +09:00 |
|
Takashi Toyoshima
|
729cac78a0
|
Bug fix: INX did not store the result correctly
|
2014-12-08 00:46:38 +09:00 |
|
Takashi Toyoshima
|
82990fdab7
|
Bug fix: B and reserved flag should not be modified on updating SR
|
2014-12-08 00:44:42 +09:00 |
|
Takashi Toyoshima
|
42cb53c0ad
|
Bug fix: after TSX, X got a value >= 0x100
|
2014-12-08 00:36:42 +09:00 |
|
Takashi Toyoshima
|
d0ad06c86a
|
Use 6502_65C02_functional_tests, and two bug fixes
- transfer operations should update n and z flags
- TSX should transfer SP, not SR
|
2014-12-08 00:21:49 +09:00 |
|
Takashi Toyoshima
|
1f39658a0b
|
Bug fix: toAbsb can not store the right value
|
2014-12-07 19:02:33 +09:00 |
|
Takashi Toyoshima
|
064567f346
|
Bug fix: adc and sbc performed wrong carry flag calculation
|
2014-12-07 19:01:33 +09:00 |
|
Takashi Toyoshima
|
86d07009b1
|
Add some I/O and memory emulation to check Apple2 BASIC
|
2014-12-07 18:31:41 +09:00 |
|
Takashi Toyoshima
|
91c94746d8
|
Bug fix: manage r12 correctly, and TXS used a wrong register
To use r12 in assembly code:
- use -fomit-frame-pointer for test.c
- save and restore on calling libc functions
|
2014-12-07 16:35:46 +09:00 |
|
Takashi Toyoshima
|
dbf8142e61
|
Bug fix on shift operations again. Other macros broke T0.
|
2014-12-07 15:51:59 +09:00 |
|
Takashi Toyoshima
|
e419d9da69
|
Bug fix: absolute and absolute indexed fetched wrong address
|
2014-12-07 15:15:06 +09:00 |
|
Takashi Toyoshima
|
c5d69f2c14
|
dec and inc was swapped, and results are not stored correctly
|
2014-12-07 15:10:05 +09:00 |
|
Takashi Toyoshima
|
c3c8eafc07
|
Bug fix on sbc, C was reversed, and result was not stored on V=0
|
2014-12-07 15:02:40 +09:00 |
|
Takashi Toyoshima
|
8ff302aaf0
|
Bug fix: cmp didn't take Z flag
|
2014-12-07 14:47:46 +09:00 |
|
Takashi Toyoshima
|
51faf4afb1
|
Bug fix: brannch target calculation was still wrong
|
2014-12-07 14:44:00 +09:00 |
|
Takashi Toyoshima
|
21b25243d7
|
Bug fix: bit and cmp operations didn't increment PC
|
2014-12-07 14:32:52 +09:00 |
|
Takashi Toyoshima
|
ff26481127
|
Bug fix on adc condition flag updates
|
2014-12-07 14:29:14 +09:00 |
|
Takashi Toyoshima
|
ff1f7b8b2f
|
Fix branch operation bugs
- address calculation on not taken
- use macro to implement each branch operation
|
2014-12-07 14:05:38 +09:00 |
|
Takashi Toyoshima
|
8d94c76d47
|
Bug fix on shift operations that set a result to a wrong register
|
2014-12-07 13:54:47 +09:00 |
|
Takashi Toyoshima
|
bc8b0b0906
|
Bug fux: absolute and absolute indexed didn't increment PC correctly
|
2014-12-07 13:35:20 +09:00 |
|
Takashi Toyoshima
|
7370d07645
|
Implement _sbc. They must have many bugs, but anyway, finished.
|
2014-12-07 12:56:02 +09:00 |
|
Takashi Toyoshima
|
14fa2b22c3
|
Implement _adc, ...sigh :(
|
2014-12-07 12:38:48 +09:00 |
|
Takashi Toyoshima
|
90feea53ed
|
Implement _cp and _inc
|
2014-12-07 11:47:22 +09:00 |
|
Takashi Toyoshima
|
b86a32323e
|
Implement all ops, except for macros, _adc, _cp, _inc, _sbc
|
2014-12-07 02:13:45 +09:00 |
|
Takashi Toyoshima
|
8301b1e97e
|
Implement op -0xde
|
2014-12-07 02:03:38 +09:00 |
|
Takashi Toyoshima
|
677b893b40
|
Implement op -0xd0 (except for _adc and _cp macros)
|
2014-12-07 01:58:56 +09:00 |
|
Takashi Toyoshima
|
4f71331f06
|
Implement op -0xbf
|
2014-12-07 01:50:39 +09:00 |
|
Takashi Toyoshima
|
f694a16d58
|
Implement op -0xaf
|
2014-12-07 01:45:07 +09:00 |
|
Takashi Toyoshima
|
4a3cf30de1
|
Implement op -0x8f
|
2014-12-07 01:20:36 +09:00 |
|
Takashi Toyoshima
|
34f60ed8b6
|
Implement op -0x7f (turning point!)
|
2014-12-06 23:29:28 +09:00 |
|
Takashi Toyoshima
|
428c8b54c5
|
Implement op -0x6f (except for _adc macro)
|
2014-12-06 23:24:53 +09:00 |
|
Takashi Toyoshima
|
8e22cfe6cf
|
Implement op -0x5f
|
2014-12-06 23:14:21 +09:00 |
|
Takashi Toyoshima
|
4c3a822893
|
Implement op -0x4f
|
2014-12-06 23:08:34 +09:00 |
|
Takashi Toyoshima
|
fb81353de3
|
Implmenet op -0x3f
|
2014-12-06 22:50:50 +09:00 |
|
Takashi Toyoshima
|
124bfa1941
|
Implement op -0x2f
|
2014-12-06 22:45:05 +09:00 |
|
Takashi Toyoshima
|
02560fdc4b
|
Implement op -0x20
|
2014-12-06 21:48:20 +09:00 |
|
Takashi Toyoshima
|
e12f4260f3
|
Implement op -0x0f
|
2014-12-06 21:22:12 +09:00 |
|
Takashi Toyoshima
|
ef36502777
|
Implement op 0x00-0x08
|
2014-12-06 21:00:22 +09:00 |
|