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michaelh/ch81

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d2305beadd ch81: put everything in a ch81 namespace main Michael Hope 2026-05-03 18:32:13 +02:00
c86b92aa7d ch81: tweak the config to run ch81con on the ch32v006evt Michael Hope 2026-05-03 17:55:03 +02:00
93c1a8b125 ch81: shrink the display by using code points instead of strings Michael Hope 2026-05-03 16:41:29 +02:00
a585ec264d ch81: mitigate the rc2014 build by building for size Michael Hope 2026-05-03 16:08:39 +02:00
80f20072f0 ch81: update the changed parts of the display Michael Hope 2026-05-03 16:05:24 +02:00
988d4c7288 ch81: fix a lock up bug in the keyboard holdoff Michael Hope 2026-05-03 15:49:55 +02:00
af2a2a7e70 ch81: split the ZX81 display out into a separate class Michael Hope 2026-05-03 13:43:42 +02:00
619d49916b ch81: make ch81con build for Zephyr Michael Hope 2026-05-03 13:11:39 +02:00
e4e60e34df ch81: fix up the magic numbers in keyboard.h Michael Hope 2026-05-03 11:15:32 +02:00
99c9115e65 ch81: shrink the keyboard RAM footprint Michael Hope 2026-05-03 11:07:06 +02:00
9e7300d2a6 ch81: move the console out of the board and turn board into a plain class Michael Hope 2026-05-03 11:44:51 +02:00
b5fe3c0b91 ch81: move the Zephyr ch81con out into a target directory Michael Hope 2026-05-03 10:49:24 +02:00
10b5f23593 ch81: document the interfaces Michael Hope 2026-05-03 10:24:59 +02:00
3930df050d ch81: disable the broken game loading Michael Hope 2026-05-03 12:47:09 +02:00
c044bdb6e2 ch81: fix a recursive call in jp/rst Michael Hope 2026-05-03 10:13:59 +02:00
6da25f8da4 WIP: tailcall Michael Hope 2026-04-20 17:00:04 +02:00
9d4ec9499f WIP: attributes for tail call Michael Hope 2026-04-20 15:51:15 +02:00
47d5ba861f ch81: let the most common instructions bypass _next Michael Hope 2026-04-19 17:09:47 +02:00
1d1095d542 ch81: move PC to a local variable Michael Hope 2026-04-19 16:18:23 +02:00
b2dcbcbbec ch81: collapse the IX, IY support into one Michael Hope 2026-04-18 16:41:12 +02:00
a0b142667d ch81: fix up the Zephyr build and run on the ch32v006evt Michael Hope 2026-04-18 20:03:51 +02:00
f7f0f19a6f WIP: always_inline fetch tail Michael Hope 2026-04-19 09:33:06 +02:00
de21c531a2 WIP: before Claude Michael Hope 2026-04-19 07:38:53 +02:00
f598963af0 ch81: experiment with lazy flag evaluation 5e2dfa25a768da400160587bf1925a8292b6f8d6 Michael Hope 2026-04-18 18:16:19 +02:00
1169e28fc4 ch81: collapse the IX, IY support into one Michael Hope 2026-04-18 16:41:12 +02:00
a2f5fa36d6 ch81: fix up the Zephyr build and run on the ch32v006evt Michael Hope 2026-04-18 20:03:51 +02:00
7a849cc192 ch81: experiment with lazy flag evaluation lazyf Michael Hope 2026-04-18 18:15:47 +02:00
5de75f45cd ch81: add the missing python3-click Michael Hope 2026-04-18 16:00:29 +02:00
f6c6e46d79 ch81: drop the unused code from gendispatch Michael Hope 2026-04-18 15:59:27 +02:00
1f7e7f022c ch81: tidy up the cmake config Michael Hope 2026-04-18 15:52:20 +02:00
a08ed8ddee ch81: tweak the ROM size Michael Hope 2026-04-18 15:42:11 +02:00
3c080b36dd ch81: support compressing the bit/set/res opcodes Michael Hope 2026-04-18 15:38:06 +02:00
981fc74f16 ch81: add a Zephyr build Michael Hope 2026-04-18 14:45:22 +02:00
b819314310 ch81: reduce the Zephyr RAM usage Michael Hope 2026-04-18 14:35:32 +02:00
3dcee4bba5 ch81: make the CPM and frozen modes build Michael Hope 2026-04-18 14:08:25 +02:00
887ea66152 ch81: fix the Linux build after enabling Zephyr Michael Hope 2026-04-18 11:21:44 +02:00
1f284e2dbb ch81: point the Zephyr port at the UART Michael Hope 2026-04-17 20:46:20 +02:00
5a4d53372a ch81: add a Zephyr target Michael Hope 2026-04-17 18:55:08 +02:00
a452204431 ch81: move Board to an interface Michael Hope 2026-04-12 19:56:45 +02:00
849be245aa ch81: begin tidying up the cores Michael Hope 2026-04-12 19:40:36 +02:00
370ed264f4 ch81: move regs.a to a local variable Michael Hope 2026-04-12 16:13:16 +02:00
a7f09fb8a4 ch81: make an implicit A explicit and move A to a parameter Michael Hope 2026-04-12 15:47:19 +02:00
04049798eb ch81: remove the inlines to make the profile fair Michael Hope 2026-04-12 14:26:51 +02:00
1bffc0595c ch81: switch to testing rc2014-zexdoc for now Michael Hope 2026-04-12 14:08:16 +02:00
3cb5efc88f ch81: switch from int to a 32 bit+ unsigned type dev Michael Hope 2026-04-12 14:03:20 +02:00
6cf097293a ch81: implement the ldir and cpir variants Michael Hope 2026-04-12 13:49:42 +02:00
037be0c41d ch81: factor the flag updates out to common functions Michael Hope 2026-04-12 13:12:02 +02:00
23cdcd287e ch81: change the bitwise versions to bitfield where cleaner Michael Hope 2026-04-12 12:49:53 +02:00
03747260b1 ch81: remove the A and F macros Michael Hope 2026-04-12 12:36:35 +02:00
ebf6dfdff4 ch81: removed unneded local copies of any arguments Michael Hope 2026-04-12 12:30:15 +02:00
0de66a2308 ch81: modernise the local variable assignment Michael Hope 2026-04-12 12:23:13 +02:00
ca7cb67326 ch81: removed the AOT support Michael Hope 2026-04-12 12:17:12 +02:00
d70d8d1f9d ch81: change the CPM stub to also hold the test case Michael Hope 2026-04-12 11:58:21 +02:00
c4d710fcf5 ch81: support trapping literal jumps Michael Hope 2026-04-12 11:57:17 +02:00
c05844f3cb ch81: add enough of CP/M to run zexdoc Michael Hope 2026-04-11 15:12:16 +02:00
51e3e6c5ce ch81: implement many of the undocumented opcodes Michael Hope 2026-04-11 14:35:51 +02:00
139e773c3e ch81: make z80test run to completion Michael Hope 2026-04-11 13:30:25 +02:00
150ca54872 ch81: add Sjasm to the build Michael Hope 2026-04-11 11:44:16 +02:00
42a07e1df4 ch81: move the ZX81 specific code out and fix bugs found by z80test Michael Hope 2026-04-11 11:31:51 +02:00
02199f3473 ch81: add a rc2014-like that can run z80test Michael Hope 2026-04-11 11:10:12 +02:00
2a9867f81a ch81: move the common keyboard emulation to io/ Michael Hope 2026-04-10 19:36:11 +02:00
b5906af43d ch81: fix the CI build by adding clang-format Michael Hope 2026-04-05 08:53:06 +02:00
4a466cb522 ch81: rewrite the submodules to public URLs Michael Hope 2026-04-05 08:38:06 +02:00
3bcdc362f4 ch81: add chair.p as the default game Michael Hope 2026-04-05 08:28:01 +02:00
3dbd542dfd ch81: start moving the goto based core out to cores/ Michael Hope 2026-04-05 08:21:56 +02:00
6e1baf3358 ch81: move to a opcode-table.json based dispatch Michael Hope 2026-04-04 19:19:42 +02:00
bf07377409 ch81: parse the opcode-table and expand Michael Hope 2026-04-04 08:36:44 +02:00
65e5c3d909 ch81: split asm.py into the parser and generator Michael Hope 2026-04-03 13:26:31 +02:00
978c51f7b8 ch81: call board_ directly rather than using indirect Michael Hope 2026-04-03 13:14:36 +02:00
6d67dbb767 ch81: continue making the code more idiomatic Michael Hope 2026-04-03 11:15:01 +02:00
b70fc30bca ch81: tidy up by de-macroing and deduplicating Michael Hope 2026-04-03 10:58:05 +02:00
5b800e222c ch81: split the implementation out of the class Michael Hope 2026-04-03 10:39:07 +02:00
288af06580 ch81: as Emu is templated, move the implementation into the header Michael Hope 2026-04-03 10:24:36 +02:00
7f0bea0aef ch81: fix the remaining instructions Michael Hope 2026-04-02 20:26:26 +02:00
9db784f600 ch81: support bytecode tables Michael Hope 2026-04-02 20:08:03 +02:00
314b1cc6c5 ch81: added jump targets and interrupt handling Michael Hope 2026-04-02 18:00:31 +02:00
2c961bc37b ch81: enough so that it hits the first display render Michael Hope 2026-04-02 15:27:58 +02:00
78198d943b ch81: implement a first set of instructions Michael Hope 2026-04-02 15:02:51 +02:00
515620a974 ch81: split af into separate fields. Add the return address to call Michael Hope 2026-04-02 15:02:36 +02:00
8fd43ab880 ch81: switch to bit flags from an enum Michael Hope 2026-04-02 13:06:56 +02:00
052e23a50f ch81: implement the register file Michael Hope 2026-03-29 21:47:43 +02:00
9e45cbfbe6 ch81: reduce the number of labels Michael Hope 2026-03-29 20:43:30 +02:00
daf82e971d ch81: add a lst parser and wire in return addresses Michael Hope 2026-03-29 19:53:07 +02:00
2eacd89f95 ch81: add a open81.asm parser Michael Hope 2026-03-29 16:10:23 +02:00
f74428a72b ch81: WIP: loading .p files Michael Hope 2026-03-14 20:19:28 +01:00
3f27efb3a6 ch81: fix the 32 bit wide Unicode characters Michael Hope 2026-03-14 20:18:51 +01:00
e84e7049c3 ch81: also draw when entering the vsync period Michael Hope 2026-03-14 19:31:02 +01:00
490b0e77b0 ch81: add shift and chording support to the keyboard Michael Hope 2026-03-14 18:15:59 +01:00
16bdc610ed ch81: tweak to run on the ch32v006evt Michael Hope 2026-03-14 11:56:39 +01:00
7f3af662b4 ch81: add a basic Zephyr version of ch81con Michael Hope 2026-03-13 20:41:49 +01:00
e35a9af928 ch81: factor the IO out into a HAL concept Michael Hope 2026-03-13 18:06:54 +01:00
ee9cf075f3 ch81: split ch81con out into a library Michael Hope 2026-03-13 17:52:31 +01:00
a10791cfa6 ch81: make the RAM size configurable Michael Hope 2026-03-12 20:20:54 +01:00
2088877346 ch81: tidy up the board into a class, split functions out, and make the ROM const Michael Hope 2026-03-12 19:57:34 +01:00
a1b077bd0c ch81: use EI instead of HALT to trigger the redraw Michael Hope 2026-03-12 08:20:44 +01:00
9db5ca2748 ch81: do the keyup after a fixed number of frames Michael Hope 2026-03-11 21:18:10 +01:00
876ff8f12c ch81: added basic keyboard input Michael Hope 2026-03-08 11:53:31 +01:00
70244f5ecc ch81: fix IN A,(C) by writing the whole of BC to the bus Michael Hope 2026-03-08 11:53:03 +01:00
fefb0f3b6f ch81: add a basic ZX81 emulator Michael Hope 2026-03-07 17:04:30 +01:00
e8a5fe054b ch81: prune back to the ZX81 focus Michael Hope 2026-03-07 15:33:53 +01:00