Adrian Conlon
|
d0467421ff
|
Improve compatibility with .net emulator code.
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
|
2019-11-09 18:58:23 +00:00 |
|
Adrian Conlon
|
9f404d46a4
|
The LR35902 instruction set doesn't really need the "bit" instruction to return a value.
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
|
2019-07-21 11:25:56 +01:00 |
|
Adrian Conlon
|
934a1f7025
|
Use the virtual methods, busRead and busWrite for all processor bus actions.
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
|
2019-03-02 21:58:34 +00:00 |
|
Adrian Conlon
|
f38d326ca7
|
Improve the flexibility of the BUS mapping/read/write architecture.
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
|
2018-12-29 19:17:36 +00:00 |
|
Adrian Conlon
|
e156b1ff1a
|
Correct some more compilation warnings (across the whole EightBit project).
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
|
2018-11-25 19:02:11 +00:00 |
|
Adrian Conlon
|
015071fcfb
|
Tidy up GameBoy processor (LR35902) with respect to C++14/17
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
|
2018-10-27 19:23:02 +01:00 |
|
Adrian Conlon
|
1212e8d4f0
|
Tidy some processor virtual specifications.
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
|
2018-08-25 13:35:53 +01:00 |
|
Adrian Conlon
|
17c46264e9
|
Match the GameBoy code to the updated handling of reset (etc.) interrupts.
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
|
2018-08-25 01:57:22 +01:00 |
|
Adrian Conlon
|
6d4223c368
|
Start moving towards reset being just another style of interrupt.
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
|
2018-08-25 01:34:30 +01:00 |
|
Adrian Conlon
|
cac871cf2b
|
Remove duplicated code (from const definitions) the performance benefit isn't worth the amount of duplicated code.
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
|
2018-06-24 20:58:20 +01:00 |
|
Adrian Conlon
|
feb5e7ad60
|
Simplifications carried over from the Z80 implementation.
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
|
2018-06-23 16:43:05 +01:00 |
|
Adrian Conlon
|
67487b5b6e
|
Simplify the usage of the register16_t union.
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
|
2018-06-16 00:55:32 +01:00 |
|
Adrian Conlon
|
3e854c7c49
|
Const some more bus/processor usage, and ensure the data bus is a member, not a reference to memory.
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
|
2018-06-10 00:40:56 +01:00 |
|
Adrian Conlon
|
116f9961c4
|
Add a higher/lower nibble mask
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
|
2018-05-25 22:36:10 +01:00 |
|
Adrian Conlon
|
0b2c1fa084
|
Gameboy, some random tidy ups.
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
|
2018-05-02 02:47:47 +01:00 |
|
Adrian Conlon
|
45dc274167
|
Get rid of wrappers for bus access: i.e. make it clearer where the bus is being read/written.
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
|
2018-03-10 01:53:57 +00:00 |
|
Adrian Conlon
|
29edc46966
|
Simplify some MEMPTR usage in Intel processors.
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
|
2018-01-10 23:08:14 +00:00 |
|
Adrian Conlon
|
a1c753d63e
|
Couple of small tidy ups on the LR35902 implementation.
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
|
2017-12-10 21:57:32 +00:00 |
|
Adrian Conlon
|
1edabd79f3
|
More pinout oriented method of executing instructions (especially interrupts)
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
|
2017-12-10 21:41:48 +00:00 |
|
Adrian Conlon
|
c18aeb9e63
|
More updates from the CPP core guidelines
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
|
2017-11-11 11:12:09 +00:00 |
|
Adrian Conlon
|
c292fb552e
|
A whole bunch of consistency changes. No functional changes.
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
|
2017-11-03 22:05:01 +00:00 |
|
Adrian Conlon
|
ff13e9afc9
|
Get the LR35902 test suite up and running again.
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
|
2017-10-28 13:08:07 +01:00 |
|
Adrian Conlon
|
a22e59546b
|
Tidy the gameboy core a little. Mainly by moving the execution loops into the bus class.
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
|
2017-10-24 00:04:13 +01:00 |
|
Adrian Conlon
|
94604b355d
|
Tidy up include file usage.
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
|
2017-10-19 22:43:09 +01:00 |
|
Adrian Conlon
|
44ff68d6f3
|
First part of gb linux port.
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
|
2017-10-02 16:47:05 +01:00 |
|
Adrian Conlon
|
66b870bb78
|
First stage refactoring CPU instruction execution (to hopefully allow display interrupt interleave)
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
|
2017-09-30 15:28:25 +01:00 |
|
Adrian Conlon
|
da438ffb85
|
Try to get better cycle count/adjustments.
|
2017-09-30 00:03:42 +01:00 |
|
Adrian.Conlon
|
dbe5f7f8e5
|
Prepare the LR35902 to allow use of the Blargg gb sound library.
Signed-off-by: Adrian.Conlon <adrian.conlon@gmail.com>
|
2017-09-23 22:56:11 +01:00 |
|
Adrian.Conlon
|
cd63636895
|
Move some constants from static methods to enumerations.
Signed-off-by: Adrian.Conlon <adrian.conlon@arup.com>
|
2017-09-21 20:08:37 +01:00 |
|
Adrian.Conlon
|
129286f1a7
|
Ensure LR35902 fuse tests run successfully to completion.
Signed-off-by: Adrian.Conlon <adrian.conlon@gmail.com>
|
2017-09-07 01:15:28 +01:00 |
|
Adrian.Conlon
|
57cfd79c44
|
Tidy header file usage a little.
Signed-off-by: Adrian.Conlon <adrian.conlon@gmail.com>
|
2017-09-01 16:41:50 +01:00 |
|
Adrian.Conlon
|
9b43b74c28
|
Rationalise some of the reset/initialise logic across pProcessor implementations.
Signed-off-by: Adrian.Conlon <adrian.conlon@gmail.com>
|
2017-09-01 16:01:40 +01:00 |
|
Adrian.Conlon
|
ef3203d943
|
Tidy raster line execution a little.
Signed-off-by: Adrian.Conlon <adrian.conlon@gmail.com>
|
2017-09-01 13:24:41 +01:00 |
|
Adrian.Conlon
|
e70686c5de
|
Some more rationalisation of processor execution/stepping strategies.
Signed-off-by: Adrian.Conlon <adrian.conlon@gmail.com>
|
2017-08-30 23:17:34 +01:00 |
|
Adrian.Conlon
|
daab0484c3
|
Use corrected LR35902 library to run test loop.
Signed-off-by: Adrian.Conlon <adrian.conlon@gmail.com>
|
2017-08-29 22:35:56 +01:00 |
|
Adrian.Conlon
|
ea033d3984
|
Move a fair amount of code from the GameBoy implementation into the EightBit library for the LR35902
Signed-off-by: Adrian.Conlon <adrian.conlon@gmail.com>
|
2017-08-29 22:23:32 +01:00 |
|
Adrian.Conlon
|
329fd269ed
|
Share some more code from the 6502 processor implementation.
Signed-off-by: Adrian.Conlon <adrian.conlon@gmail.com>
|
2017-08-28 18:52:48 +01:00 |
|
Adrian.Conlon
|
0457dffba4
|
Rewrite GB interrupt handling to properly document the trigger sequence.
Signed-off-by: Adrian.Conlon <adrian.conlon@gmail.com>
|
2017-08-18 09:49:06 +01:00 |
|
Adrian.Conlon
|
016b3bca59
|
Switch to a memory read/write event driven model. All tests passing.
Signed-off-by: Adrian.Conlon <adrian.conlon@gmail.com>
|
2017-08-06 17:06:48 +01:00 |
|
Adrian.Conlon
|
261433bd6e
|
Remove unneeded 16-bit operations.
Signed-off-by: Adrian.Conlon <adrian.conlon@gmail.com>
|
2017-07-27 21:44:24 +01:00 |
|
Adrian.Conlon
|
b6dd48ca63
|
Some more small clarifications of shared processor implementation.
Signed-off-by: Adrian.Conlon <adrian.conlon@gmail.com>
|
2017-07-25 18:56:43 +01:00 |
|
Adrian.Conlon
|
9a264c7c06
|
Bring the LR35902 and i8080 increment/decrement implementations in line with the Z80.
Signed-off-by: Adrian.Conlon <adrian.conlon@gmail.com>
|
2017-07-22 10:23:13 +01:00 |
|
Adrian.Conlon
|
0a02c32695
|
Some things (namely shift.rotate instructions) don't need to be quite so close to the Z80 implementation.
Signed-off-by: Adrian.Conlon <adrian.conlon@gmail.com>
|
2017-07-21 19:23:36 +01:00 |
|
Adrian.Conlon
|
7c3fc469a8
|
Bring LR35902 a little closer to the Z80
Signed-off-by: Adrian.Conlon <adrian.conlon@gmail.com>
|
2017-07-20 12:37:54 +01:00 |
|
Adrian.Conlon
|
36fbee35fb
|
Bring the various IntelProcessor derived processors a little closer together.
Signed-off-by: Adrian.Conlon <adrian.conlon@arup.com>
|
2017-07-19 13:59:28 +01:00 |
|
Adrian.Conlon
|
35def4184a
|
Start adding enough infrastructure to support memory mapped IO on LR35902.
Signed-off-by: Adrian.Conlon <adrian.conlon@gmail.com>
|
2017-07-18 00:13:41 +01:00 |
|
Adrian.Conlon
|
af375ab10f
|
Some more shared code.
Signed-off-by: Adrian.Conlon <adrian.conlon@gmail.com>
|
2017-06-22 19:00:53 +01:00 |
|
Adrian.Conlon
|
c9bf24d1fa
|
Tidy up register and static method access.
Signed-off-by: Adrian.Conlon <adrian.conlon@arup.com>
|
2017-06-19 13:53:00 +01:00 |
|
Adrian.Conlon
|
23108a8536
|
Bring performance back to par by: inlining and static flag register access, where possible.
Signed-off-by: Adrian.Conlon <adrian.conlon@arup.com>
|
2017-06-18 18:14:39 +01:00 |
|
Adrian.Conlon
|
5f288cf0e3
|
Some more small tidy ups.
Signed-off-by: Adrian.Conlon <adrian.conlon@arup.com>
|
2017-06-16 20:31:32 +01:00 |
|