Alternative library and kernel for add-in development on fx-9860G and fx-CG50 under Linux.
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Crucial, missing things.
! core: the four basic memory functions
! core: gint_switch() with driver contexts on stack and arbitrary code
! core: use gint_switch() to handle TLB misses
! core: return to menu on fxcg50
! bopti: fxcg50 version
! syscalls: fxcg50 BFile calls
Tests to run.
* core: run the alignment/size automated tests for memory functions
Issues.
* #3 make drawing functions parameterized
* #5 add decent random number generation (TinyMT)
* #8 support fx-CG Manager
* #10 support fx-CG 20
Complementary elements on existing code.
* gray: double-buffer gray settings and unify d* with g*
* display: deprecate image_t and rename it bopti_image_t
* make fx9860g projects work out of the box on fxcg50
* topti: support unicode fonts
* gray: find good values for more models than the Graph 35+E II
* dma: maybe relax the 4-byte size constraint for dma_memset()
* dma: fx9860g support (need to switch it on)
* core: try to leave add-in without reset in case of panic
* hardware: fill in the HWMEM_FITTLB flag
* keyboard: think of extended functions
* cpg: spread spectrum on fxcg50
* display: use more of topti's assembler in drect()
* core: use cmp/str for memchr()
* timer: try putting addresses in <gint/mpu/tmu.h>
* r61524: brightness control and clean the file
* t6k11: check if dupdate() can be done by the DMA
Keep in mind.
* build: make the build system simpler (two targets are enough by default)
* core: run destructors when a task-switch results in leaving the app
* core: invoke main menu instead of returning after main() ends
* prizm: don't hardcode stack address in fxcg50.ld
* prizm: detect P1 static RAM (stack) in TLB
* core rtc: use qdiv10 to massively improve division performance
* setjmp: more registers may need to be saved
* core: free heap when a task-switch results in leaving the app
* core: save and restore interrupt masks
* timer: make sure ETMU interrupts are disabled in ctx_restore()
* timer: look for ways to improve the code again
* core: document the SH7305 PFC in <gint/mpu/pfc.h>
Future directions.
* A complete file system abstraction
* Integrate overclock management
* Audio playback using Martin Poupe's method
* Serial communication [SCIF] [SCIFA]
* USB communication [USB]