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015071fcfb
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115 Commits

Author SHA1 Message Date
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
1b2ddd8843 Don't expose the bus via the CPU any more: if a component needs the bus, it should be prepared to hold a reference to it. 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2018-10-20 20:52:41 +01:00
Adrian Conlon
8d3551e681 Refactor bit set/get routines from processor class to lower level chip class. 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2018-09-29 14:08:44 +01:00
Adrian Conlon
7d840f1a42 Modifying the manner in which memory is mapped, allows a fairly clean mechanism for loading Intel "hex" files. 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2018-09-15 14:35:59 +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
b0aacce406 Tidy header file usage a little. 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2018-08-18 23:56:16 +01:00
Adrian Conlon
ed76038bfa More memptr adjustments 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2018-08-17 13:59:59 +01:00
Adrian Conlon
70c70af969 Sort out some exception and member initialisation rules. 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2018-08-11 21:19:19 +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
fbf098ae00 Simplify memory event handlers and ROM recognition a little (bit of speed difference) 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2018-06-10 22:00:52 +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
740cf01085 Slightly better use of vector/array for pixel display. 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2018-05-04 03:38:39 +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
c513f0cab1 GSL was too problematic when used with GCC. Removed. 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2017-11-20 19:17:49 +00:00
Adrian Conlon
67c27d4a3e GSL + CPP core guidelines changes. 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2017-11-18 14:29:30 +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
a065199098 Tidy up some leftover work from the scanline rendering update. 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2017-10-22 21:25:06 +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
156cb66904 Split the bus into IoRegisters and "the rest" 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2017-10-05 11:24:36 +01:00
Adrian Conlon
e8715b941b Explicit use of OAM and VRAM 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2017-10-04 18:00:53 +01:00
Adrian Conlon
9796f9d600 First stab at associating the "Display" class more closely with the Bus. 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2017-10-04 15:37:11 +01:00
Adrian Conlon
e2ea6d1445 Some scan line render corrections. 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2017-10-04 00:30:59 +01:00
Adrian Conlon
c92b0642a1 First stab at scan line rendering. 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2017-10-03 23:54:39 +01:00
Adrian Conlon
d2c3efac83 More linux fixes. 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2017-10-02 17:30:46 +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
c06c0d2cf9 Small tidy ups + optimisations. 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2017-10-02 15:28:41 +01:00
Adrian Conlon
8b1da2097b More scan line rendering changes. 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2017-10-02 10:12:25 +01:00
Adrian Conlon
10913bf1b8 Remove some unused signals. 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2017-10-01 22:22:25 +01:00
Adrian Conlon
63f7216341 More preparation for scan line rendering. 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2017-10-01 11:32:41 +01:00
Adrian Conlon
88117398ef Add interrupt signal generation. 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2017-09-30 16:47:43 +01:00
Adrian Conlon
e5e6d02845 Correct keypad interrupt generation. 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2017-09-30 16:24:25 +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
210286514e Calculate voice step length adjustments. 
Signed-off-by: Adrian.Conlon <adrian.conlon@gmail.com>
 2017-09-23 00:26:06 +01:00
Adrian.Conlon
5084d85e49 Wire envelope amplitude shaping. 
Signed-off-by: Adrian.Conlon <adrian.conlon@gmail.com>
 2017-09-23 00:07:30 +01:00
Adrian.Conlon
78b6e7b339 Remove dump logging, it was never overly useful anyway. 
Signed-off-by: Adrian.Conlon <adrian.conlon@gmail.com>
 2017-09-22 19:17:34 +01:00
Adrian.Conlon
531d5d6d6b Refactor the Audio header into declaration/definition files. 
Signed-off-by: Adrian.Conlon <adrian.conlon@arup.com>
 2017-09-21 23:43:33 +01:00