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8bitworkshop/presets/vcs/vcslib/tinyfont48.c
2023-10-30 23:16:36 -05:00

54 lines
2.3 KiB
C

#include "vcslib.h"
#pragma code-name (push, "ROM1")
#pragma rodata-name (push, "ROM1")
#define LoChar 41 // lowest character value
#define HiChar 90 // highest character value
/*{w:8,h:5,brev:1,flip:1,count:51}*/
const unsigned char TINYFONT[51*5] = {
0x22, 0x00, 0x22, 0x22, 0x22, 0x55, 0x22, 0x55, 0x00, 0x00, 0x22, 0x77, 0x22, 0x00, 0x00, 0x44,
0x22, 0x00, 0x00, 0x00, 0x77, 0x00, 0x00, 0x00, 0x00, 0x44, 0x00, 0x00, 0x00, 0x00, 0x44, 0x44,
0x22, 0x11, 0x11, 0x66, 0x55, 0x55, 0x55, 0x33, 0x22, 0x22, 0x22, 0x66, 0x22, 0x77, 0x44, 0x22,
0x11, 0x66, 0x66, 0x11, 0x22, 0x11, 0x66, 0x11, 0x11, 0x77, 0x55, 0x55, 0x66, 0x11, 0x66, 0x44,
0x77, 0x77, 0x55, 0x77, 0x44, 0x33, 0x44, 0x44, 0x22, 0x11, 0x77, 0x77, 0x55, 0x77, 0x55, 0x77,
0x66, 0x11, 0x77, 0x55, 0x77, 0x44, 0x00, 0x44, 0x00, 0x00, 0x44, 0x22, 0x00, 0x22, 0x00, 0x11,
0x22, 0x44, 0x22, 0x11, 0x77, 0x00, 0x77, 0x00, 0x00, 0x44, 0x22, 0x11, 0x22, 0x44, 0x22, 0x00,
0x22, 0x11, 0x77, 0x33, 0x44, 0x77, 0x55, 0x22, 0x55, 0x55, 0x77, 0x55, 0x22, 0x66, 0x55, 0x66,
0x55, 0x66, 0x33, 0x44, 0x44, 0x44, 0x33, 0x66, 0x55, 0x55, 0x55, 0x66, 0x77, 0x44, 0x77, 0x44,
0x77, 0x44, 0x44, 0x77, 0x44, 0x77, 0x33, 0x55, 0x77, 0x44, 0x33, 0x55, 0x55, 0x77, 0x55, 0x55,
0x77, 0x22, 0x22, 0x22, 0x77, 0x22, 0x55, 0x11, 0x11, 0x11, 0x55, 0x55, 0x66, 0x55, 0x55, 0x77,
0x44, 0x44, 0x44, 0x44, 0x55, 0x55, 0x77, 0x77, 0x55, 0x55, 0x77, 0x77, 0x77, 0x55, 0x22, 0x55,
0x55, 0x55, 0x22, 0x44, 0x44, 0x66, 0x55, 0x66, 0x33, 0x77, 0x55, 0x55, 0x22, 0x55, 0x66, 0x77,
0x55, 0x66, 0x66, 0x11, 0x22, 0x44, 0x33, 0x22, 0x22, 0x22, 0x22, 0x77, 0x33, 0x55, 0x55, 0x55,
0x55, 0x22, 0x22, 0x55, 0x55, 0x55, 0x55, 0x77, 0x77, 0x55, 0x55, 0x55, 0x55, 0x22, 0x55, 0x55,
0x22, 0x22, 0x22, 0x55, 0x55, 0x77, 0x44, 0x22, 0x11, 0x77, 0x00, 0x00, 0x00, 0x00, 0x00,
};
void tinyfont48_build_char(byte* dest, char ch1, char ch2) {
byte y;
byte font1 = 5*(ch1-LoChar);
byte font2 = 5*(ch2-LoChar);
for (y=0; y<5; y++) {
byte b1 = TINYFONT[font1++] & 0xf0;
byte b2 = TINYFONT[font2++] & 0x0f;
xramset(dest);
xramwrite(b1 | b2);
dest++;
}
}
// TODO: can we write when RAM is not selected?
void tinyfont48_build(byte* dest, const char str[12]) {
byte stri;
for (stri=0; stri<12; stri+=2) {
tinyfont48_build_char(dest, str[stri], str[stri+1]);
dest += 5;
}
}
#pragma code-name (pop)
#pragma rodata-name (pop)