gint/TODO

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Bugs to fix:
- Alignment of ALL .data / .rodata files is required to ensure converted data
is properly aligned
- Unpreditcable crap happens when more than 10 keys are pressed simultaneously
- Ensure heap data is freed when a task-switch results in leaving the app
Things to do before 1.0:
- init: Move qdiv10() somewhere else
- bopti: Test partial transparency
- demo: Try 284x124 at (-60, -28) (all disadvantages)
- project: Check size of *all* library structures
- project: Clean headers that have some internal definitions
- project: Get rid of 7705.h (keyboard) and 7305.h (keyboard, gint)
- time: Compute CLOCKS_PER_SEC
Things to do later:
- bopti: Implement blending modes for monochrome bitmaps
- clock: Handle overclock (relaunch clocks when overclocking)
- core: Change interrupt priority using the gint API
- core: Register more interrupts (and understand their parameters)
- core: Remove redundant code linked to environment saves
- core: Review interrupt system (again) - this one is too slow
- errno: Introduce errno and use it more or less everywhere
- esper: Cleaner playback, synthesizing
- events: Allow customization of keyboard event system (option to return
| events with modifiers, etc)
- events: Generate keyboard events on-the-fly by reading state arrays,
| allowing both a faster interrupt and avoiding supressing other
| events inside getkey() and multigetkey()
- serial: Implement a driver
- stdio: More serious formatted printing functions
- string: Use cmp/str to implement memchr() (assembler examples)
- string: Do some tests for memcmp() and memcpy()
- usb: Implement a driver
Things to investigate:
- Registers that may need to be saved within setjmp()
- Optimizing core/gint.c leads to raising of an illegal slot exception when
running the interrupt handler, although it ends on rte; lds.l @r15+, mach,
which is totally not an illegal slot.
Possibly useful modules:
- DMAC
- SCIF, SCIFA
- TPU
- USB
- CMT on SH7305, WDT on SH7705
- ACD (SH7705 only)