79 lines
1.9 KiB
C
79 lines
1.9 KiB
C
#include <gint/gint.h>
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#include <gint/display.h>
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#include <gint/hardware.h>
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#include <string.h>
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int __Timer_Install(int id, void (*handler)(void), int delay);
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int __Timer_Start(int id);
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int __Timer_Stop(int id);
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int __Timer_Deinstall(int id);
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int __PutKeyCode(int row, int column, int keycode);
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int __GetKeyWait(int *col,int *row,int type,int time,int menu,uint16_t *key);
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void __ClearKeyBuffer(void); /* ? */
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void *__GetVRAMAddress(void);
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void __ConfigureStatusArea(int mode);
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static int __osmenu_id;
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static void __osmenu_handler(void)
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{
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if(isSlim())
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__PutKeyCode(0x07, 0x0A, 0);
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else
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__PutKeyCode(0x04, 0x09, 0);
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__Timer_Stop(__osmenu_id);
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__Timer_Deinstall(__osmenu_id);
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}
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void gint_osmenu_native(void)
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{
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__ClearKeyBuffer();
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#ifdef FX9860G
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memcpy(__GetVRAMAddress(), gint_vram, 1024);
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#endif
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#ifdef FXCG50
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/* Unfortunately ineffective (main menu probably reenables it)
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__ConfigureStatusArea(3); */
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/* TODO: Improve copied VRAM behavior in gint_osmenu() on fxcg50 */
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uint16_t *vram1, *vram2;
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dgetvram(&vram1, &vram2);
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uint16_t *dst = __GetVRAMAddress();
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uint16_t *src = (gint_vram == vram1) ? vram2 + 6 : vram1 + 6;
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for(int y = 0; y < 216; y++, dst+=384, src+=396)
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for(int x = 0; x < 384; x++)
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{
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dst[x] = src[x];
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}
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#endif
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/* Mysteriously crashes when coming back; might be useful another time
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instead of GetKeyWait()
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int C=0x04, R=0x09;
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__SpecialMatrixCodeProcessing(&C, &R); */
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__osmenu_id = __Timer_Install(0, __osmenu_handler, 0 /* ms */);
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if(__osmenu_id <= 0) return;
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__Timer_Start(__osmenu_id);
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int column, row;
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unsigned short keycode;
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__GetKeyWait(&column, &row,
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0 /* KEYWAIT_HALTON_TIMEROFF */,
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1 /* Delay in seconds */,
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0 /* Enable return to main menu */,
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&keycode);
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}
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/* gint_osmenu() - switch out of gint and call the calculator's main menu */
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void gint_osmenu(void)
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{
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gint_world_switch(GINT_CALL(gint_osmenu_native));
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}
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