69 lines
1.6 KiB
C
69 lines
1.6 KiB
C
|
|
#ifndef _CV_COMMON_H
|
|
#define _CV_COMMON_H
|
|
|
|
/* VRAM map
|
|
0x0000 - 0x3fff character pattern table
|
|
0x3000 - 0x36ff image table
|
|
0x3c00 - 0x3fff sprite attribute table
|
|
*/
|
|
|
|
#define PATTERN ((const cv_vmemp)0x0000)
|
|
#define IMAGE ((const cv_vmemp)0x3000)
|
|
#define SPRITES ((const cv_vmemp)0x3c00)
|
|
|
|
#define COLS 32
|
|
#define ROWS 28
|
|
|
|
typedef unsigned char byte;
|
|
typedef signed char sbyte;
|
|
typedef unsigned short word;
|
|
|
|
#ifndef CV_SMS
|
|
uintptr_t __at(0x6a) font_bitmap_a;
|
|
uintptr_t __at(0x6c) font_bitmap_0;
|
|
#else
|
|
extern char font_bitmap_a[];
|
|
extern char font_bitmap_0[];
|
|
#endif
|
|
|
|
#define COLOR_FGBG(fg,bg) (((fg)<<4)|(bg))
|
|
#define COLOR_FG(fg) (((fg)<<4))
|
|
|
|
#define LOCHAR 0x20
|
|
#define HICHAR 0xff
|
|
|
|
#define CHAR(ch) (ch-LOCHAR)
|
|
|
|
#define wait_vsync() __asm__("halt")
|
|
|
|
extern volatile uint_fast8_t vint_counter;
|
|
|
|
extern void vint_handler(void);
|
|
extern byte reverse_bits(byte n);
|
|
extern void flip_sprite_patterns(word dest, const byte* patterns, word len);
|
|
|
|
extern char cursor_x;
|
|
extern char cursor_y;
|
|
|
|
extern void clrscr();
|
|
|
|
extern word getimageaddr(byte x, byte y);
|
|
extern byte getchar(byte x, byte y);
|
|
extern void putchar(byte x, byte y, byte attr);
|
|
extern void putstring(byte x, byte y, const char* string);
|
|
extern void delay(byte i);
|
|
extern byte rndint(byte a, byte b);
|
|
|
|
extern void memset_safe(void* _dest, char ch, word size);
|
|
extern char in_rect(byte x, byte y, byte x0, byte y0, byte w, byte h);
|
|
// print 4-digit BCD value
|
|
extern void draw_bcd_word(byte x, byte y, word bcd);
|
|
// add two 16-bit BCD values
|
|
extern word bcd_add(word a, word b);
|
|
|
|
extern void vdp_setup();
|
|
extern void set_shifted_pattern(const byte* src, word dest, byte shift);
|
|
|
|
#endif
|