62 lines
1.6 KiB
C
62 lines
1.6 KiB
C
#ifndef __CASIO_H__
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# define __CASIO_H__
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#include <types.h>
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// Internal Casio datat structure
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struct rect
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{
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int left;
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int top;
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int right;
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int bottom;
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};
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//
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// Casio prototypes.
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//
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/* GetKey() - display Casio's VRAM and wait keyboard input. */
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void casio_GetKey(unsigned int *key);
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/* Bdisp_AllClr_VRAM() - clear entirely the Casio's VRAM */
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void casio_Bdisp_AllClr_VRAM(void);
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/* Bdisp_AreaClr_VRAM() - clear only VRAM area. */
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void casio_Bdisp_AreaClr_VRAM(const struct rect *buf);
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/* PrintMini() - print string in Casio's VRAM (and display on screen ?) */
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void casio_PrintMini(size_t x, size_t y, char const *str, int mode);
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/* Bdisp_DrawLine_VRAM() - draw line in Casio's VRAM. */
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void casio_Bdisp_DrawLine_VRAM(int x1, int y1, int x2, int y2);
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/* RestoreDisp() - restore saved screen. */
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void casio_RestoreDisp(unsigned char page);
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/* SaveDisp() - save the content of the screen. */
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void casio_SaveDisp(unsigned char page);
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/* Malloc() - malloc syscall */
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void *casio_Malloc(size_t size);
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/* Free() - free syscall */
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void *casio_Free(void *ptr);
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// Internal casio abstraction.
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static INLINE void dclear_area(int x1, int y1, int x2, int y2)
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{
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struct rect area = {.left = x1, .top = y1, .right = x2, .bottom = y2};
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casio_Bdisp_AreaClr_VRAM(&area);
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}
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#define print(x, y, str) casio_PrintMini(x, y, str, 0)
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#define getkey casio_GetKey
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#define dline_horizontal(y, x1, x2) casio_Bdisp_DrawLine_VRAM(x1, y, x2, y)
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#define dclear casio_Bdisp_AllClr_VRAM
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#define save_window casio_SaveDisp
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#define restore_window casio_RestoreDisp
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#define malloc casio_Malloc
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#define free casio_Free
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#endif /*__CASIO_H__*/
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