6502/EightBit
1
0
Fork 0
mirror of https://github.com/MoleskiCoder/EightBit.git synced 2024-06-26 19:29:51 +00:00
Code Issues Projects Releases Wiki Activity
766 Commits 1 Branch 0 Tags 112 MiB
c8bdabf34f
Commit Graph

173 Commits

Author SHA1 Message Date
Adrian Conlon
c8bdabf34f Reflect that the I/O for Intel style processors isn't part of the CPU, but attached to the Bus and access controlled by the CPU. 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2020-02-09 11:51:58 +00:00
Adrian Conlon
a69770addd Tidy 6809 unit test project 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2019-11-10 11:14:00 +00:00
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
ee3ecc682d Add R/W pins to the MC6809 and MOS6502 processors. Hoping it'll ease peripheral development. 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2019-09-15 12:49:32 +01:00
Adrian Conlon
254cfbe342 Tidied up pin management to be synchronised with the .Net code. 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2019-09-06 23:55:57 +01:00
Adrian Conlon
6940a54355 Update all EightBit projects to VS2019 (Latest SDK, C++17) 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2019-08-17 11:04:29 +01:00
Adrian Conlon
5e9014997a Upgraded to VS2019, default SDK. 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2019-08-06 13:16:38 +01:00
Adrian Conlon
def1c58e9d Tidy project settings across the EightBit library to be more consistent. 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2019-07-06 22:45:16 +01:00
Adrian Conlon
ef09696ea2 Add analysis of 6809 instruction set PDFs 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2019-07-05 21:43:23 +01:00
Adrian Conlon
dca2e1bb8e Bring the C++ code a little closer to the C# code. 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2019-06-02 12:12:04 +01:00
Adrian Conlon
d37f130577 Get the C++ version of the MC6850 synced with the C# version. 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2019-05-27 10:57:02 +01:00
Adrian Conlon
ca0a98d9a7 MC6809: Correct test board wiring, such the MC6850 can be allowed to work! 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2019-05-05 13:35:33 +01:00
Adrian Conlon
467369d248 MC6850: Add JSR/RTS unit tests 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2019-05-05 10:30:10 +01:00
Adrian Conlon
3441fd062e Simplify the usage of the MC6850 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2019-05-05 10:29:41 +01:00
Adrian Conlon
1a0d3ad77a Go through all projects for configuration consistency. 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2019-05-05 10:25:44 +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
f0376fa81e Use macros to define our device pins. 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2019-01-14 23:17:54 +00:00
Adrian Conlon
92d23d82d6 Start big refactor of device/CPU pin usage (to allow pin events throughout). 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2019-01-14 02:10:17 +00:00
Adrian Conlon
9755a5fcd2 Add the concept of a clocked chip 2019-01-10 22:23:51 +00:00
Adrian Conlon
68030610d8 Move to an event driven clock tick event for all CPUs 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2019-01-09 23:24:33 +00:00
Adrian Conlon
741e005e0c Add some more 6809 documentation. 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2019-01-07 01:09:24 +00:00
Adrian Conlon
a13ad5042a Correct constructions of register16_t: the structure is "#ifdef"ed for different endian arrangements. 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2019-01-06 11:27:43 +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
dc477cd050 Use explicit enumeration types (improves type safety) where appropriate. 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2018-12-01 15:24:29 +00:00
Adrian Conlon
deb9a6d43c Correct more analysis problems. No functional changes. 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2018-11-28 21:27:14 +00:00
Adrian Conlon
a940a29283 Unify build settings across all the EightBit libraries. 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2018-11-28 21:24:51 +00:00
Adrian Conlon
9dcaaadf80 Simplify a couple of the MC6809 test projects. 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2018-11-25 19:05:14 +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
64ed8e01ec Add some more MC6809 documentation (and Searle BASIC derivative). 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2018-11-25 10:45:06 +00:00
Adrian Conlon
cec760767a Fix some problems in the MC6809 instruction decoder. 
Found by going through the switch line by line...
BASIC interpreter now seems to run!

Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2018-11-20 08:51:17 +00:00
Adrian Conlon
859804d179 Refactor MC6809 core to use lambdas in preference to std::bind methods. 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2018-11-18 22:15:49 +00:00
Adrian Conlon
fdbb28828f Apply the concept of powered components to the "board" 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2018-11-11 16:48:44 +00:00
Adrian Conlon
f29c571226 Add tests for BHI BLE on the 6809 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2018-11-10 20:48:43 +00:00
Adrian Conlon
b926f4b7f1 Simplify 6809 conditionals a little. 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2018-11-10 20:31:14 +00:00
Adrian Conlon
b82ca402bf Add 6809 BGT tests. 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2018-11-10 20:30:38 +00:00
Adrian Conlon
8b12ed23e8 Add (currently disabled) disassembler to the 6809 unit test runner. 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2018-11-10 20:29:27 +00:00
Adrian Conlon
e688411cb9 Refactor memory related code a little to make the hierarchy of classes a little easier to understand. 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2018-11-04 16:38:57 +00:00
Adrian Conlon
8ef5d97366 Update boost from 1.65 -> 1.68 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2018-11-04 12:58:01 +00:00
Adrian Conlon
9132f2028f Add an "UnusedMemory" class to better allow "gaps" in the memory map. 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2018-11-03 23:11:48 +00:00
Adrian Conlon
68a785ceec Add an address masking to the memory mapping structure. 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2018-11-01 23:43:29 +00:00
Adrian Conlon
7af81018c9 Modify rotate and shift instructions to be a little more understandable (6502/6809) 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2018-11-01 19:47:21 +00:00
Adrian Conlon
4dc0becb74 Refactor the 6502 implementation to be a lot more like the MC6809. Hopefully show bugs in the latter a little more easily. 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2018-10-31 23:29:13 +00:00
Adrian Conlon
edbc2784d9 Sort out why cycle counting wasn't working as I thought it should on the MC6809 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2018-10-28 13:34:34 +00:00
Adrian Conlon
99692ce6c7 Refactor MC6850 for C++14/17 updates 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2018-10-27 21:58:23 +01:00
Adrian Conlon
1a317c7907 C++14/17 refactoring for MC6809 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2018-10-27 21:55:54 +01:00
Adrian Conlon
8dbb3eafec Switch to C++17 standard in all EightBit projects. 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2018-10-27 14:28:14 +01:00
Adrian Conlon
b50d21965d Addr support for the RTS/CTS and IRQ pins to the MC6850 chip emulation 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2018-10-23 00:01:33 +01:00
Adrian Conlon
4bfb264380 Simplify chip pin level matching a little. 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2018-10-21 19:42:20 +01:00
Adrian Conlon
4840c238d6 Set configuration default to *not* exit early. 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2018-10-21 18:07:42 +01:00
Adrian Conlon
806251bf6f Whoops: Remove extra blank line. 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2018-10-21 18:07:08 +01:00