940 Commits

Author	SHA1	Message	Date
Thomas Harte	169298af42	Plumb through disk insertion. ... Surprisingly: some things now load.	2024-04-08 21:15:40 -04:00
Thomas Harte	d2b077c573	Start wiring in a floppy controller.	2024-04-07 21:22:35 -04:00
Thomas Harte	0ddbc67b1f	Switch to default CMOS RAM obtained from RISC OS itself.	2024-03-28 21:23:49 -04:00
Thomas Harte	4fcb85d132	Cleave off most remaining reasons for failure.	2024-03-28 10:32:27 -04:00
Thomas Harte	5ccb18225a	Provide key states to the keyboard.	2024-03-23 15:43:04 -04:00
Thomas Harte	9ea3e547ee	Fix IRQ/FIQ return addresses.	2024-03-22 21:42:34 -04:00
Thomas Harte	de7b7818f4	Add 4bpp output.	2024-03-22 10:18:25 -04:00
Thomas Harte	1341816791	Break apart, switching to delegates for interrupts.	2024-03-20 14:26:56 -04:00
Thomas Harte	2ad6bb099b	Begin foray into disassembly.	2024-03-19 11:34:10 -04:00
Thomas Harte	7b1f800387	Extend I2C state machine.	2024-03-17 21:55:19 -04:00
Thomas Harte	47e9279bd4	Add a target for I2C activity.	2024-03-16 15:00:23 -04:00
Thomas Harte	47f7340dfc	Start hacking in some ARM tests.	2024-03-08 22:54:42 -05:00
Thomas Harte	6f0ad0ab71	Add an empty Archimedes shell.	2024-03-04 12:06:43 -05:00
Thomas Harte	3e80651a0e	Collect 'Electron' under 'Acorn'.	2024-03-04 11:31:25 -05:00
Thomas Harte	42ba6d1281	Relocate execution code appropriately.	2024-03-01 15:02:47 -05:00
Thomas Harte	c49b26701f	Relocate and clarify barrel shifts. ... With a view to independent testing.	2024-02-28 13:53:13 -05:00
Thomas Harte	b676153d21	State intention to merge status with other registers.	2024-02-27 15:36:34 -05:00
Thomas Harte	a88d41bf00	List the flags.	2024-02-25 15:21:54 -05:00
Thomas Harte	6577f68efc	Complete instruction set; consolidate mapper.	2024-02-21 15:32:27 -05:00
Thomas Harte	e986ae2878	Add coprocessor data operations and register transfers.	2024-02-21 15:25:57 -05:00
Thomas Harte	bd0a15c054	Start working on ARM2 decoding.	2024-02-16 21:36:07 -05:00
Thomas Harte	07c11e8268	Begin 6522 wiring.	2024-02-14 15:18:19 -05:00
Thomas Harte	d49c07687c	Unify [get_/skip_]samples, adding a third option for in-place mixing.	2024-02-12 10:55:52 -05:00
Thomas Harte	609d81d75d	Distinguish sources of samples and of whole buffers.	2024-02-09 14:25:40 -05:00
Thomas Harte	c105acf1c7	Adopt a full type for stereo samples, gaining + and +=.	2024-02-09 10:48:42 -05:00
Thomas Harte	8a1a14ba4c	Switch trailing files to #pragma once.	2024-01-21 21:49:59 -05:00
Thomas Harte	8eb38ac437	Make use of bound_shader.	2024-01-19 22:34:42 -05:00
Thomas Harte	ab4ecccf57	Avoid raw pointers.	2024-01-17 14:59:36 -05:00
Thomas Harte	ae48f05c80	Shuffle most of the MemoryMap ugliness into a source file.	2024-01-04 10:25:27 -05:00
Thomas Harte	bbaaa520c8	Eliminate MemoryMap access macros, fix tests target.	2024-01-03 13:21:39 -05:00
Thomas Harte	4f846ef8d0	Remove absolute path.	2023-12-31 15:11:45 -05:00
Thomas Harte	051cdc63b8	Fix SDL build.	2023-12-29 14:54:47 -05:00
Thomas Harte	9ef28da322	Add read-only support for IMD images.	2023-12-08 15:37:13 -05:00
Thomas Harte	5fde3b8d5d	Wire up a stub RTC plus appropriate option ROM.	2023-12-06 22:56:09 -05:00
Thomas Harte	b2b05b590f	Clone the MDA class to CGA.	2023-12-05 22:37:33 -05:00
Thomas Harte	bdf9c4765b	Loosen the assumption of MDA.	2023-12-05 16:38:09 -05:00
Thomas Harte	2d75fbe1bf	Add nonfunctional FAT12 analyser.	2023-12-05 10:46:06 -05:00
Thomas Harte	b16e3de170	Accept what look like raw booters.	2023-12-01 17:23:13 -05:00
Thomas Harte	d101483714	Hack in enough that disk contents end up in RAM.	2023-12-01 09:34:31 -05:00
Thomas Harte	ddf38595ff	Add enough for FAT12 IMA images to get to the PC.	2023-11-29 14:54:33 -05:00
Thomas Harte	b860fba0a3	Make an attempt at providing varied sense interrupt statuses.	2023-11-28 14:12:39 -05:00
Thomas Harte	bffe3ffa25	Add an 8272 results phase.	2023-11-27 23:05:37 -05:00
Thomas Harte	993366ac5a	Merge branch 'master' into PCFDC	2023-11-27 22:16:30 -05:00
Thomas Harte	032eeb4757	Eliminate runtime switch.	2023-11-27 14:57:41 -05:00
Thomas Harte	0bb048e24b	Start formalising/extracting 8272 status.	2023-11-25 18:10:49 -05:00
Thomas Harte	af70c8847d	Factor out the stuff of accumulating and dissecting commands.	2023-11-24 18:24:58 -05:00
Thomas Harte	d5c30e3175	Add enough keyboard support to be able to bypass the initial FDC BIOS failure report.	2023-11-24 13:38:06 -05:00
Thomas Harte	24d0caf8e7	Fix Swift conditionality.	2023-11-21 22:48:26 -05:00
Thomas Harte	375a9f9ff5	Pull out the PIC, DMA.	2023-11-21 15:50:38 -05:00
Thomas Harte	ee6012f6e9	Evict the PIT.	2023-11-20 19:00:16 -05:00