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• 64ed8e01ec Add some more MC6809 documentation (and Searle BASIC derivative). Adrian Conlon 2018-11-25 10:45:06 +00:00
• 887b89308a Ensure virtual methods are no longer defined inline. Adrian Conlon 2018-11-25 10:43:51 +00:00
• 85bc2aab12 Reverse "UNLIKELY" conditions that also contain an else. Helps compilers that have no LIKELY/UNLIKELY macros. Adrian Conlon 2018-11-25 10:38:30 +00:00
• 000b254d2a Tidy some white space issues a little. Adrian Conlon 2018-11-24 10:56:36 +00:00
• 5ff883305e Modernise the signal handling and construction sequence of the Z80 test board. Adrian Conlon 2018-11-24 10:56:00 +00:00
• cec760767a Fix some problems in the MC6809 instruction decoder. Found by going through the switch line by line... BASIC interpreter now seems to run! Adrian Conlon 2018-11-20 08:51:17 +00:00
• c54c2a681b Merge branch 'master' of https://github.com/MoleskiCoder/EightBit Adrian Conlon 2018-11-18 22:16:16 +00:00
• 859804d179 Refactor MC6809 core to use lambdas in preference to std::bind methods. Adrian Conlon 2018-11-18 22:15:49 +00:00
• 2de467dde8 Refactor the MOS6502 core: Adrian Conlon 2018-11-18 13:52:43 +00:00
• e2e7fd0e00 Merge branch 'master' of https://github.com/MoleskiCoder/EightBit Adrian Conlon 2018-11-16 23:50:04 +00:00
• 5530522f11 Correct a couple of small issues Adrian Conlon 2018-11-16 23:49:52 +00:00
• 68b352d1df Wire the GameBoy board like a piece of powered hardware. Adrian Conlon 2018-11-12 00:38:03 +00:00
• e326490cd9 Correct typographical mistake in MC6850 documentation. Adrian Conlon 2018-11-11 16:49:21 +00:00
• fdbb28828f Apply the concept of powered components to the "board" Adrian Conlon 2018-11-11 16:48:44 +00:00
• f29c571226 Add tests for BHI BLE on the 6809 Adrian Conlon 2018-11-10 20:48:43 +00:00
• b926f4b7f1 Simplify 6809 conditionals a little. Adrian Conlon 2018-11-10 20:31:14 +00:00
• b82ca402bf Add 6809 BGT tests. Adrian Conlon 2018-11-10 20:30:38 +00:00
• 8b12ed23e8 Add (currently disabled) disassembler to the 6809 unit test runner. Adrian Conlon 2018-11-10 20:29:27 +00:00
• e688411cb9 Refactor memory related code a little to make the hierarchy of classes a little easier to understand. Adrian Conlon 2018-11-04 16:38:57 +00:00
• 003cea0d64 Make 6502 symbols code a little more like normal C++ Adrian Conlon 2018-11-04 13:27:43 +00:00
• 95968cb000 Whoops: missed boost update for LR35902 Adrian Conlon 2018-11-04 13:26:12 +00:00
• 8ef5d97366 Update boost from 1.65 -> 1.68 Adrian Conlon 2018-11-04 12:58:01 +00:00
• 9132f2028f Add an "UnusedMemory" class to better allow "gaps" in the memory map. Adrian Conlon 2018-11-03 23:11:48 +00:00
• 984626a331 Introduce the concept of a MemoryInterface to the EightBit library. Adrian Conlon 2018-11-03 22:15:17 +00:00
• 68a785ceec Add an address masking to the memory mapping structure. Adrian Conlon 2018-11-01 23:43:29 +00:00
• 7af81018c9 Modify rotate and shift instructions to be a little more understandable (6502/6809) Adrian Conlon 2018-11-01 19:47:21 +00:00
• 4dc0becb74 Refactor the 6502 implementation to be a lot more like the MC6809. Hopefully show bugs in the latter a little more easily. Adrian Conlon 2018-10-31 23:29:13 +00:00
• b1af0710ba Tidy the Z80 instruction scheduler a little Adrian Conlon 2018-10-28 19:29:14 +00:00
• edbc2784d9 Sort out why cycle counting wasn't working as I thought it should on the MC6809 Adrian Conlon 2018-10-28 13:34:34 +00:00
• fc7b6e49ca Slightly nicer refactoring of the MEMPTR post increment saga Adrian Conlon 2018-10-28 13:33:36 +00:00
• b3faae34ae Correct a couple of problematic changes picked up by fuse test Adrian Conlon 2018-10-28 09:42:04 +00:00
• 99692ce6c7 Refactor MC6850 for C++14/17 updates Adrian Conlon 2018-10-27 21:58:23 +01:00
• 1a317c7907 C++14/17 refactoring for MC6809 Adrian Conlon 2018-10-27 21:55:54 +01:00
• 015071fcfb Tidy up GameBoy processor (LR35902) with respect to C++14/17 Adrian Conlon 2018-10-27 19:23:02 +01:00
• b9ca27feb3 Refactor the Intel 8080 core for C++17/14 Adrian Conlon 2018-10-27 18:51:30 +01:00
• fac2da9ac4 Start refactoring CPU cores to use C++17/14 features. (This commit covers the 6502 and Z80) Adrian Conlon 2018-10-27 18:41:55 +01:00
• 62f3cd717b First set of C++17/14 changes to the core library Adrian Conlon 2018-10-27 17:30:23 +01:00
• 8dbb3eafec Switch to C++17 standard in all EightBit projects. Adrian Conlon 2018-10-27 14:28:14 +01:00
• b50d21965d Addr support for the RTS/CTS and IRQ pins to the MC6850 chip emulation Adrian Conlon 2018-10-23 00:01:33 +01:00
• 4bfb264380 Simplify chip pin level matching a little. Adrian Conlon 2018-10-21 19:42:20 +01:00
• 3aa5b4bb91 Tidy the MC6850 transmit/receive sequence to be a little easier to read. Adrian Conlon 2018-10-21 18:09:23 +01:00
• 4840c238d6 Set configuration default to *not* exit early. Adrian Conlon 2018-10-21 18:07:42 +01:00
• 806251bf6f Whoops: Remove extra blank line. Adrian Conlon 2018-10-21 18:07:08 +01:00
• 54e0dcfe36 Move board termination and cycle count etc. into the configuration class. Adrian Conlon 2018-10-21 10:28:33 +01:00
• 4d09da1541 Reuse standard 6809/6850 chip/bus wiring Adrian Conlon 2018-10-20 22:54:10 +01:00
• 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. Adrian Conlon 2018-10-20 20:52:41 +01:00
• 9b0cc4542f Tidy MC6809 test board/device access. Adrian Conlon 2018-10-20 16:57:32 +01:00
• dbc3e192d7 More sharing of common implementation on the MC6809. Adrian Conlon 2018-10-18 22:50:54 +01:00
• 83497b0b9e Share some implementation details on the MC6809, where possible. Somewhat closer to how I imagine the hardware is implemented... Adrian Conlon 2018-10-18 22:25:52 +01:00
• 966a07b018 Reuse pul/psh definition to simplify entire register set save/restore code. Adrian Conlon 2018-10-17 20:42:03 +01:00
• 4b2f8e3599 Correct "LE" definition to at least match the MC6809 documentation. Adrian Conlon 2018-10-17 20:39:58 +01:00
• 8c8438f819 Tidy the test code formatting a little Adrian Conlon 2018-10-14 23:39:37 +01:00
• 4e48f4a5a0 Slightly simplify half-carry evaluation. Adrian Conlon 2018-10-14 23:18:13 +01:00
• 140e87485c Whoops: Correct dodgy CMP test. That explains why I never understood why it was failing! Adrian Conlon 2018-10-14 21:26:33 +01:00
• 9d71c78338 DEC/INC don't adjust carry flags Adrian Conlon 2018-10-14 21:19:37 +01:00
• 0c07d39250 Share (hopefully!) correct overflow implementations Adrian Conlon 2018-10-14 21:19:03 +01:00
• 707a742899 Not complete, but this gets large chunks of the MC6809 addition and subtraction parts of the emulator working correctly Adrian Conlon 2018-10-14 20:40:20 +01:00
• 337e35ca1b Use the newly added CPU pokeWord method. Adrian Conlon 2018-10-14 20:39:09 +01:00
• 769c65394b The extra _getch isn't required as I fix the MC6809 CPU emulation. Adrian Conlon 2018-10-14 20:38:07 +01:00
• 12dc90c064 Add lots of tests, mainly covering addition and subtraction. Shows quite a few problems... Adrian Conlon 2018-10-14 10:06:47 +01:00
• 7e527ff093 Add Processor::pokeWord to define an endian specific 16-bit word write. Adrian Conlon 2018-10-14 10:05:43 +01:00
• 9445e7d1c4 Add test for CLRA implied Adrian Conlon 2018-10-07 11:04:22 +01:00
• 9296eaf954 Add test for BITA immediate. Adrian Conlon 2018-10-07 10:55:30 +01:00
• cf32f37fc3 Add test for ASRA inherent. And fix resulting bugs exposed! Adrian Conlon 2018-10-07 10:48:27 +01:00
• f2b9ab0814 Add test for ASLA inherent. Adrian Conlon 2018-10-07 10:32:26 +01:00
• 7719c8e875 Add test for ANDA immediate Adrian Conlon 2018-10-07 10:08:12 +01:00
• 1f4a84b803 Add test for ADDA immediate. Seems to be working. Adrian Conlon 2018-10-07 09:47:10 +01:00
• 5dc185866e Add a test for ADCA immediate. Half carry and overflow flags incorrect! Adrian Conlon 2018-10-07 09:14:30 +01:00
• 7e57efd4cd Modification of unit test comments: no functional modification. Adrian Conlon 2018-10-06 23:54:33 +01:00
• fe05d468d6 Start adding MC6809 unit tests for each instruction. Just ABX, so far Adrian Conlon 2018-10-06 23:52:39 +01:00
• 8048165aab Reorder the output of the M6850 status dump, so it more easily matches the bit order most -> least significant. Adrian Conlon 2018-10-03 20:16:59 +01:00
• 0c174afc02 More MC6809 disassembly corrections: tabs and pshu/s puls/u stack order. Adrian Conlon 2018-10-03 20:15:44 +01:00
• f6cd8a4277 Properly disassemble MC6809 PULS/PULU PSHS/PSHU instructions to show registers. Adrian Conlon 2018-10-02 22:35:31 +01:00
• f58e3ded83 Use corrected MC6850 in MC6809 test board. Working a little better now. Adrian Conlon 2018-09-30 23:10:03 +01:00
• 042e066a0c Correct status handling in the MC6850, and improve documentation. Adrian Conlon 2018-09-30 23:07:07 +01:00
• 8ea7bf5d68 Refactoring on the MC6850 and associated test board code. Adrian Conlon 2018-09-29 14:31:50 +01:00
• 8d3551e681 Refactor bit set/get routines from processor class to lower level chip class. Adrian Conlon 2018-09-29 14:08:44 +01:00
• de5a9963e0 More MC6850 updates Adrian Conlon 2018-09-29 10:06:02 +01:00
• f6bd871757 Whoops: correct 6809 stack pointer increment/decrement order Adrian Conlon 2018-09-29 10:02:53 +01:00
• 861fc28bba Wire up the MC6850 events to the board Adrian Conlon 2018-09-25 23:57:20 +01:00
• df7c7904f4 Whoops: correct a small layout (tabs) issue. Adrian Conlon 2018-09-25 23:56:28 +01:00
• 4f567c75f9 Probably doesn't work, but this is another style of MC6850 event handling Adrian Conlon 2018-09-25 23:55:14 +01:00
• 9ab075d0f6 Incorporate the concepts of transmission and receipt into the events for the MC6850 (TBC) Adrian Conlon 2018-09-24 08:29:11 +01:00
• d77c2a1e9d Add more of the MC6850 internals. Adrian Conlon 2018-09-23 20:31:55 +01:00
• b3faa0bb2e Wire the MC6850 chip into the MC6809 test code. Adrian Conlon 2018-09-23 13:14:10 +01:00
• 754fc8e6a3 Refactor the processor class to give us a "Chip" class that gives up pin levels and power. Adrian Conlon 2018-09-23 13:10:58 +01:00
• 91349eafa4 Updated MC6850 documentation. Bit more searchable... Adrian Conlon 2018-09-23 10:19:39 +01:00
• be2f5abdb5 Correct a couple of small layout issues in the MC6850 code Adrian Conlon 2018-09-23 00:08:16 +01:00
• e2f69b1dc8 Start adding support for the Motorola serial device, the MC6850 ACIA (most incomplete!) Adrian Conlon 2018-09-22 23:11:13 +01:00
• 30ac7dc268 Whoops: missed movement of stdafx.h for MC6809 Adrian Conlon 2018-09-22 23:09:10 +01:00
• d45401d9b1 Tidy a couple of MC6809 niggles: Adrian Conlon 2018-09-22 10:54:05 +01:00
• 7c03521025 Refactor plsu/s pshu/s to share code more easily Adrian Conlon 2018-09-21 00:28:08 +01:00
• 6bb8118c7f Add miscellaneous documentation and test gubbins Adrian Conlon 2018-09-21 00:17:25 +01:00
• 7adefd380a Sort a bunch of missing argument const specifications. Adrian Conlon 2018-09-21 00:16:00 +01:00
• 9e91d2adad Plug the 8K hole in the address space of the Grant Searle SBC with 0xff (held high) Adrian Conlon 2018-09-16 19:49:52 +01:00
• 54bb9743be Correct 10/11 opcode prefix disassembly on the 6809 processor. Adrian Conlon 2018-09-16 17:56:55 +01:00
• 2d93087e5f Correct the hex loader, using the new mapping mechanism. Adrian Conlon 2018-09-16 17:54:53 +01:00
• fe3794e011 Simplify register16_t usage a little. Adrian Conlon 2018-09-16 12:00:29 +01:00
• 6256d0bf8d Correct compilation warnings. Adrian Conlon 2018-09-15 18:33:33 +01:00
• 7d840f1a42 Modifying the manner in which memory is mapped, allows a fairly clean mechanism for loading Intel "hex" files. Adrian Conlon 2018-09-15 14:35:59 +01:00