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Author SHA1 Message Date
Lephe d12be8add0
remove features that are deprecated as of v2.1 2020-07-26 11:47:23 +02:00
Lephe 0eb58c39a3
gray: add the DGRAY_PUSH_ON/OFF and DGRAY_POP feature 
DGRAY_PUSH_ON/OFF will push the current gray engine state to a stack
before transitioning to on/off mode. DGRAY_POP will later recover the
saved state and transition back to it.
 2020-07-13 17:14:58 +02:00
Lephe 94fb300e72
gray: finalize the gray engine API 
* Define dgray() to replace gray_start() and gray_stop()
* Introduce a mechanism to override the d*() functions rather than using
  another set of functions, namely g*(). Gray rendering should now be
  done with d*() (a compatibility macro for g*() is available until v2.1).
* Gray engine now reserves TMU0 at the start of the add-in to prevent
  surprises if timers are exhausted, so it nevers fails to start
* Replace other gray engine functions with dgray_*()
* More general rendering functions (in render/) to lessen the burden of
  porting them to the gray engine. As a consequence, dtext_opt(),
  dprint_opt() and drect_border() are now available in the gray engine,
  which was an omission from 230b796.
* Allow C_NONE in more functions, mainly on fx-CG 50
* Remove the now-unused dupdate_noint()
 2020-07-13 13:49:07 +02:00
Lephe 411bbb9568
gray: use 923, 1742 as the default gray settings 
Found by Kbd2.
 2020-07-10 17:30:00 +02:00
Lephe caa4f675c9
bopti: deprecate image_t, renamed to bopti_image_t 2020-06-01 12:11:59 +02:00
Lephe 4485e7f865
core, tmu: add gint_switch(), return to menu, and improve timer code 
* Add the gint_switch() function which executes user-provided code from
  the system (CASIOWIN) context.
* Added interrupt masks to the core context (should have been there long
  ago).
* Added the gint_osmenu() function that switches out of gint to invoke
  GetKeyWait() and inject KEY_CTRL_MENU to trigger the main menu. This
  uses many CASIOWIN syscalls, but we don't care because gint is unloaded.
  Trickery is used to catch the key following the return in the add-in
  and/or display a new application frame before GetKeyWait() even finishes
  after coming back. This is only available on fx9860g for now.
* Removed any public syscall definition to clear up interfaces.
* Patched the DMA interruption problem in a weird way on fxcg50, a
  driver function will be used to do that properly eventually.
* Changed the driver model to save driver contexts in preallocated
  spaces instead of on the stack for overall less risk.
* Enabled return-to-menu with the MENU key on fx9860g in getkey().
* Changed the keyboard driver to emit releases before presses, as a
  return-to-menu acts as a press+release of different keys in a single
  driver frame, which confuses getkey().
* Fixed a really stupid bug in memcpy() that made the function really
  not work.

Improvements in the timer driver:

* Expose ETMU modules as SH7705_TMU and SH7305_TMU in <gint/mpu/tmu.h>.
* Remove the timer_t structures, using SH*_ETMU and SH*_TMU instead.
  Only interrupt gate entries are left hardcoded.
* Discovered that not only every write to the TCNT or TCR of an ETMU
  takes about 1/32k of a second (hinting at registers being powered by
  the same clock as the timer), but every write occuring while a previous
  write is pending is *lost*. This led to terrible bugs when switching
  ETMU contexts too fast in gint_switch().
* Removed an internal timer_address() function.
* Overall simplified the handling of timers and the initialization step.
 2020-05-10 14:03:41 +02:00
Lephe 9a4ae4c80a
minor new definitions 2019-09-13 08:08:22 +02:00
Lephe ef0e5e32f8
render: add one-parameter dvline() and dhline() 
Behave like Basic's Horizontal and Vertical commands. Internal dline()
optimizations are renamed gint_dhline() and gint_dvline().

Also supports ghline() and gvline() in the gray engine.

Optimization cases here are amost negligible due to limiting RAM access
frequencies and the very limited amount of work accomplished in the
functions. Code maintainability is prioritized by using dline().
 2019-09-07 11:26:11 +02:00
lephe 64dbe6021d some formatting and comment updates 2019-08-04 13:59:17 +02:00
lephe 62ae7e19d4 gray: considerably improve gray visuals 2019-07-29 12:17:25 -04:00
lephe 1cf5bf514a bopti: add gray support for all four profiles 
This change finally introduces gray image rendering with bopti. This
is the final iteration of bopti v2 and certainly the fastest so far.
All four profiles are supported, without change to the format.
 2019-07-27 19:51:53 -04:00
lephe ae4f7af172 gray: add engine, basic drawing and text 
This revision includes the base gray engine with sensible starting
defaults, gclear() and grect(), as well as gtext().
 2019-07-20 12:31:46 -04:00