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8bitworkshop/presets/sms-sms-libcv/mode4test.c
2019-08-06 23:27:06 -04:00

104 lines
2.4 KiB
C

#include <cv.h>
#include <cvu.h>
#ifdef CV_SMS
//#link "fonts.s"
extern uintptr_t font_bitmap_a[];
extern uintptr_t font_bitmap_0[];
#endif
#define wait_vsync() __asm__("halt")
#define PATTERN 0x0000 // 256*8 = 2048 bytes
#define IMAGE 0x2000 // 32*24 = 768 bytes
#define COLOR 0x0b00 // 32 bytes
#define SPRITE_PATTERNS 0x3800 // 32*32 = 1024 bytes
#define SPRITES 0x3c00 // 4*32 = 128 bytes
/*{pal:222,n:16}*/
const char PALETTE0[16] = {
0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08,
0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x0D,
};
/*{pal:222,n:16}*/
const char PALETTE1[16] = {
0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08,
0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x3F,
};
/*{w:8,h:8,bpp:1,count:2,brev:1,np:4,pofs:1,sl:4}*/
const char PATTERNS[64] = {
0x00, 0x00, 0x00, 0x00,
0x3C, 0x3C, 0x3C, 0x3C,
0x56, 0x7E, 0x56, 0x56,
0x7E, 0x7E, 0x7E, 0x7E,
0x62, 0x62, 0x62, 0x62,
0x3C, 0x3C, 0x3C, 0x3C,
0x18, 0x3E, 0x18, 0x3E,
0x18, 0x7F, 0x00, 0x7F,
0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00,
0xFF, 0xFF, 0xFF, 0xFF,
0x55, 0x66, 0x77, 0xFF,
0xC0, 0xC0, 0xC0, 0xC0,
0x05, 0x06, 0x07, 0x08,
0x00, 0x00, 0x00, 0x00,
0xFF, 0xFF, 0xFF, 0xFF,
};
void expand_monobitmap(const char* src, int count) {
while (count--) {
char b = *src++;
cv_voutb(b);
cv_voutb(b);
cv_voutb(b);
cv_voutb(b);
}
}
void setup_graphics() {
cv_set_screen_mode(CV_SCREENMODE_4);
cv_set_character_pattern_t(PATTERN | 0x3000);
cv_set_image_table(IMAGE | 0x400);
cv_set_sprite_attribute_table(SPRITES);
/*
cvu_vmemset(0, 0, 0x4000);
cv_set_colors(0x2, 0x5);
cv_set_color_table(COLOR | 0xfff);
cv_set_sprite_pattern_table(SPRITE_PATTERNS | 0x1800);
*/
cv_set_write_vram_address(PATTERN + '0'*32);
expand_monobitmap(font_bitmap_0, (128-48)*8);
cvu_memtovmemcpy(PATTERN+32, PATTERNS, 32);
cvu_memtocmemcpy(0xc000, PALETTE0, 16);
cvu_memtocmemcpy(0xc010, PALETTE1, 16);
}
void show_text() {
cvu_vmemset(IMAGE, 0, 32*28);
cvu_memtovmemcpy(IMAGE, "H e l l o P r o f e s s o r F a l k e n ", 22*2);
cv_voutb(0x01);
cv_voutb(0x00);
}
void main() {
char i=0;
struct cvu_sprite4 sprite;
setup_graphics();
show_text();
cv_set_screen_active(true);
while (1) {
wait_vsync();
i++;
cv_set_hscroll(i);
cv_set_vscroll(i);
sprite.y = i;
sprite.x = i;
sprite.name = 1;
cvu_set_sprite4(SPRITES, 0, &sprite);
}
}