ASCII ROM Table needed
This Zilog app note contains a 5x7 character set (it looks inverted):
https://www.zilog.com/docs/z8encore/appnotes/an0144.pdf
Here is a larger character set that I snitched it from the BIOS ROM of a PC graphics card, and then changed the special symbols to suit my application:
const unsigned char charset10[][10] =
{
{0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00}, /* blank */
{0x00,0x00,0x00,0x76,0xDC,0xC8,0xDC,0x76,0x00,0x00}, /* alpha */
{0x00,0x78,0xCC,0xCC,0xD8,0xC6,0xC6,0xCC,0x00,0x00}, /* beta */
{0x00,0xFC,0xCC,0xC0,0xC0,0xC0,0xC0,0xC0,0x00,0x00}, /* GAMMA */
{0x00,0x00,0xFE,0x6C,0x6C,0x6C,0x6C,0x6C,0x00,0x00}, /* pi */
{0x00,0xFC,0xCC,0x60,0x30,0x60,0xCC,0xFC,0x00,0x00}, /* SIGMA */
{0x00,0x00,0x00,0x7E,0xD8,0xD8,0xD8,0x70,0x00,0x00}, /* sigma */
{0x00,0x00,0x66,0x66,0x66,0x66,0x7C,0x60,0xC0,0x00}, /* mu */
{0x00,0x00,0x76,0xDC,0x18,0x18,0x18,0x18,0x00,0x00}, /* tau */
{0x00,0xFC,0x30,0x78,0xCC,0xCC,0x78,0x30,0xFC,0x00}, /* PHI */
{0x00,0x38,0x6C,0xC6,0xFE,0xC6,0x6C,0x38,0x00,0x00}, /* theta */
{0x00,0x38,0x6C,0xC6,0xC6,0x6C,0x6C,0xEE,0x00,0x00}, /* OMEGA */
{0x00,0x1C,0x30,0x18,0x7C,0xCC,0xCC,0x78,0x00,0x00}, /* delta */
{0x00,0x00,0x00,0x7E,0xDB,0xDB,0x7E,0x00,0x00,0x00}, /* infinity */
{0x00,0x06,0x0C,0x7E,0xDB,0xDB,0x7E,0x60,0xC0,0x00}, /* phi */
{0x00,0x38,0x60,0xC0,0xF8,0xC0,0x60,0x38,0x00,0x00}, /* epsilon */
{0x00,0x78,0xCC,0xCC,0xCC,0xCC,0xCC,0xCC,0x00,0x00}, /* intersection */
{0x00,0x00,0xFC,0x00,0xFC,0x00,0xFC,0x00,0x00,0x00}, /* defined to be */
{0x00,0x30,0x30,0xFC,0x30,0x30,0x00,0xFC,0x00,0x00}, /* plus minus */
{0x00,0x60,0x30,0x18,0x30,0x60,0x00,0xFC,0x00,0x00}, /* greater equal */
{0x00,0x18,0x30,0x60,0x30,0x18,0x00,0xFC,0x00,0x00}, /* less equal */
{0x00,0x00,0x18,0x0C,0xFE,0x0C,0x18,0x00,0x00,0x00}, /* right arrow */
{0x00,0x00,0x30,0x60,0xFE,0x60,0x30,0x00,0x00,0x00}, /* left arrow */
{0x00,0x30,0x30,0x00,0xFC,0x00,0x30,0x30,0x00,0x00}, /* divide */
{0x00,0x00,0x76,0xDC,0x00,0x76,0xDC,0x00,0x00,0x00}, /* approx equal */
{0x00,0x38,0x6C,0x6C,0x38,0x00,0x00,0x00,0x00,0x00}, /* degree */
{0x00,0x18,0x3C,0x7E,0x18,0x18,0x18,0x18,0x00,0x00}, /* up arrow */
{0x00,0x18,0x18,0x18,0x18,0x7E,0x3C,0x18,0x00,0x00}, /* down arrow */
{0x00,0x0F,0x0C,0x0C,0x0C,0xEC,0x6C,0x3C,0x1C,0x00}, /* square root */
{0x78,0x6C,0x6C,0x6C,0x6C,0x00,0x00,0x00,0x00,0x00}, /* n-th power */
{0x70,0x18,0x30,0x60,0x78,0x00,0x00,0x00,0x00,0x00}, /* squared */
{0x70,0x18,0x30,0x18,0x70,0x00,0x00,0x00,0x00,0x00}, /* cubed */
{0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00}, /* space */
{0x00,0x30,0x78,0x78,0x30,0x30,0x00,0x30,0x00,0x00}, /* ! */
{0x00,0x6C,0x6C,0x6C,0x00,0x00,0x00,0x00,0x00,0x00}, /* " */
{0x00,0x6C,0x6C,0xFE,0x6C,0xFE,0x6C,0x6C,0x00,0x00}, /* # */
{0x00,0x30,0x7C,0xC0,0x78,0x0C,0xF8,0x30,0x00,0x00}, /* $ */
{0x00,0x00,0xC6,0xCC,0x18,0x30,0x66,0xC6,0x00,0x00}, /* % */
{0x00,0x38,0x6C,0x38,0x76,0xDC,0xCC,0x76,0x00,0x00}, /* & */
{0x00,0x60,0x60,0xC0,0x00,0x00,0x00,0x00,0x00,0x00}, /* ' */
{0x00,0x18,0x30,0x60,0x60,0x60,0x30,0x18,0x00,0x00}, /* ( */
{0x00,0x60,0x30,0x18,0x18,0x18,0x30,0x60,0x00,0x00}, /* ) */
{0x00,0x00,0x66,0x3C,0xFF,0x3C,0x66,0x00,0x00,0x00}, /* * */
{0x00,0x00,0x30,0x30,0xFC,0x30,0x30,0x00,0x00,0x00}, /* + */
{0x00,0x00,0x00,0x00,0x00,0x00,0x30,0x30,0x60,0x00}, /* , */
{0x00,0x00,0x00,0x00,0xFC,0x00,0x00,0x00,0x00,0x00}, /* - */
{0x00,0x00,0x00,0x00,0x00,0x00,0x30,0x30,0x00,0x00}, /* . */
{0x00,0x06,0x0C,0x18,0x30,0x60,0xC0,0x80,0x00,0x00}, /* / */
{0x00,0x7C,0xC6,0xC6,0xC6,0xC6,0xC6,0x7C,0x00,0x00}, /* 0 */
{0x00,0x30,0x70,0x30,0x30,0x30,0x30,0xFC,0x00,0x00}, /* 1 */
{0x00,0x78,0xCC,0x0C,0x38,0x60,0xCC,0xFC,0x00,0x00}, /* 2 */
{0x00,0x78,0xCC,0x0C,0x38,0x0C,0xCC,0x78,0x00,0x00}, /* 3 */
{0x00,0x1C,0x3C,0x6C,0xCC,0xFE,0x0C,0x1E,0x00,0x00}, /* 4 */
{0x00,0xFC,0xC0,0xF8,0x0C,0x0C,0xCC,0x78,0x00,0x00}, /* 5 */
{0x00,0x38,0x60,0xC0,0xF8,0xCC,0xCC,0x78,0x00,0x00}, /* 6 */
{0x00,0xFC,0xCC,0x0C,0x18,0x30,0x30,0x30,0x00,0x00}, /* 7 */
{0x00,0x78,0xCC,0xCC,0x78,0xCC,0xCC,0x78,0x00,0x00}, /* 8 */
{0x00,0x78,0xCC,0xCC,0x7C,0x0C,0x18,0x70,0x00,0x00}, /* 9 */
{0x00,0x00,0x30,0x30,0x00,0x00,0x30,0x30,0x00,0x00}, /* : */
{0x00,0x00,0x30,0x30,0x00,0x00,0x30,0x30,0x60,0x00}, /* ; */
{0x00,0x18,0x30,0x60,0xC0,0x60,0x30,0x18,0x00,0x00}, /* < */
{0x00,0x00,0x00,0xFC,0x00,0x00,0xFC,0x00,0x00,0x00}, /* = */
{0x00,0x60,0x30,0x18,0x0C,0x18,0x30,0x60,0x00,0x00}, /* > */
{0x00,0x78,0xCC,0x0C,0x18,0x30,0x00,0x30,0x00,0x00}, /* ? */
{0x00,0x7C,0xC6,0xDE,0xDE,0xDE,0xC0,0x78,0x00,0x00}, /* @ */
{0x00,0x30,0x78,0xCC,0xCC,0xFC,0xCC,0xCC,0x00,0x00}, /* A */
{0x00,0xFC,0x66,0x66,0x7C,0x66,0x66,0xFC,0x00,0x00}, /* B */
{0x00,0x3C,0x66,0xC0,0xC0,0xC0,0x66,0x3C,0x00,0x00}, /* C */
{0x00,0xF8,0x6C,0x66,0x66,0x66,0x6C,0xF8,0x00,0x00}, /* D */
{0x00,0xFE,0x62,0x68,0x78,0x68,0x62,0xFE,0x00,0x00}, /* E */
{0x00,0xFE,0x62,0x68,0x78,0x68,0x60,0xF0,0x00,0x00}, /* F */
{0x00,0x3C,0x66,0xC0,0xC0,0xCE,0x66,0x3E,0x00,0x00}, /* G */
{0x00,0xCC,0xCC,0xCC,0xFC,0xCC,0xCC,0xCC,0x00,0x00}, /* H */
{0x00,0x78,0x30,0x30,0x30,0x30,0x30,0x78,0x00,0x00}, /* I */
{0x00,0x1E,0x0C,0x0C,0x0C,0xCC,0xCC,0x78,0x00,0x00}, /* J */
{0x00,0xE6,0x66,0x6C,0x78,0x6C,0x66,0xE6,0x00,0x00}, /* K */
{0x00,0xF0,0x60,0x60,0x60,0x62,0x66,0xFE,0x00,0x00}, /* L */
{0x00,0xC6,0xEE,0xFE,0xFE,0xD6,0xC6,0xC6,0x00,0x00}, /* M */
{0x00,0xC6,0xE6,0xF6,0xDE,0xCE,0xC6,0xC6,0x00,0x00}, /* N */
{0x00,0x38,0x6C,0xC6,0xC6,0xC6,0x6C,0x38,0x00,0x00}, /* O */
{0x00,0xFC,0x66,0x66,0x7C,0x60,0x60,0xF0,0x00,0x00}, /* P */
{0x00,0x78,0xCC,0xCC,0xCC,0xDC,0x78,0x1C,0x00,0x00}, /* Q */
{0x00,0xFC,0x66,0x66,0x7C,0x6C,0x66,0xE6,0x00,0x00}, /* R */
{0x00,0x78,0xCC,0xE0,0x70,0x1C,0xCC,0x78,0x00,0x00}, /* S */
{0x00,0xFC,0xB4,0x30,0x30,0x30,0x30,0x78,0x00,0x00}, /* T */
{0x00,0xCC,0xCC,0xCC,0xCC,0xCC,0xCC,0xFC,0x00,0x00}, /* U */
{0x00,0xCC,0xCC,0xCC,0xCC,0xCC,0x78,0x30,0x00,0x00}, /* V */
{0x00,0xC6,0xC6,0xC6,0xD6,0xFE,0xEE,0xC6,0x00,0x00}, /* W */
{0x00,0xC6,0xC6,0x6C,0x38,0x38,0x6C,0xC6,0x00,0x00}, /* X */
{0x00,0xCC,0xCC,0xCC,0x78,0x30,0x30,0x78,0x00,0x00}, /* Y */
{0x00,0xFE,0xC6,0x8C,0x18,0x32,0x66,0xFE,0x00,0x00}, /* Z */
{0x00,0x78,0x60,0x60,0x60,0x60,0x60,0x78,0x00,0x00}, /* [ */
{0x00,0xC0,0x60,0x30,0x18,0x0C,0x06,0x02,0x00,0x00}, /* backslash */
{0x00,0x78,0x18,0x18,0x18,0x18,0x18,0x78,0x00,0x00}, /* ] */
{0x00,0x10,0x38,0x6C,0xC6,0x00,0x00,0x00,0x00,0x00}, /* ^ */
{0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xFF,0x00}, /* _ */
{0x00,0x30,0x30,0x18,0x00,0x00,0x00,0x00,0x00,0x00}, /* ` */
{0x00,0x00,0x00,0x78,0x0C,0x7C,0xCC,0x76,0x00,0x00}, /* a */
{0x00,0xE0,0x60,0x60,0x7C,0x66,0x66,0xDC,0x00,0x00}, /* b */
{0x00,0x00,0x00,0x78,0xCC,0xC0,0xCC,0x78,0x00,0x00}, /* c */
{0x00,0x1C,0x0C,0x0C,0x7C,0xCC,0xCC,0x76,0x00,0x00}, /* d */
{0x00,0x00,0x00,0x78,0xCC,0xFC,0xC0,0x78,0x00,0x00}, /* e */
{0x00,0x38,0x6C,0x60,0xF0,0x60,0x60,0xF0,0x00,0x00}, /* f */
{0x00,0x00,0x00,0x76,0xCC,0xCC,0x7C,0x0C,0xF8,0x00}, /* g */
{0x00,0xE0,0x60,0x6C,0x76,0x66,0x66,0xE6,0x00,0x00}, /* h */
{0x00,0x30,0x00,0x70,0x30,0x30,0x30,0x78,0x00,0x00}, /* i */
{0x00,0x0C,0x00,0x0C,0x0C,0x0C,0xCC,0xCC,0x78,0x00}, /* j */
{0x00,0xE0,0x60,0x66,0x6C,0x78,0x6C,0xE6,0x00,0x00}, /* k */
{0x00,0x70,0x30,0x30,0x30,0x30,0x30,0x78,0x00,0x00}, /* l */
{0x00,0x00,0x00,0xCC,0xFE,0xFE,0xD6,0xC6,0x00,0x00}, /* m */
{0x00,0x00,0x00,0xF8,0xCC,0xCC,0xCC,0xCC,0x00,0x00}, /* n */
{0x00,0x00,0x00,0x78,0xCC,0xCC,0xCC,0x78,0x00,0x00}, /* o */
{0x00,0x00,0x00,0xDC,0x66,0x66,0x7C,0x60,0xF0,0x00}, /* p */
{0x00,0x00,0x00,0x76,0xCC,0xCC,0x7C,0x0C,0x1E,0x00}, /* q */
{0x00,0x00,0x00,0xDC,0x76,0x66,0x60,0xF0,0x00,0x00}, /* r */
{0x00,0x00,0x00,0x7C,0xC0,0x78,0x0C,0xF8,0x00,0x00}, /* s */
{0x00,0x10,0x30,0x7C,0x30,0x30,0x34,0x18,0x00,0x00}, /* t */
{0x00,0x00,0x00,0xCC,0xCC,0xCC,0xCC,0x76,0x00,0x00}, /* u */
{0x00,0x00,0x00,0xCC,0xCC,0xCC,0x78,0x30,0x00,0x00}, /* v */
{0x00,0x00,0x00,0xC6,0xD6,0xFE,0xFE,0x6C,0x00,0x00}, /* w */
{0x00,0x00,0x00,0xC6,0x6C,0x38,0x6C,0xC6,0x00,0x00}, /* x */
{0x00,0x00,0x00,0xCC,0xCC,0xCC,0x7C,0x0C,0xF8,0x00}, /* y */
{0x00,0x00,0x00,0xFC,0x98,0x30,0x64,0xFC,0x00,0x00}, /* z */
{0x00,0x1C,0x30,0x30,0xE0,0x30,0x30,0x1C,0x00,0x00}, /* { */
{0x00,0x18,0x18,0x18,0x00,0x18,0x18,0x18,0x00,0x00}, /* | */
{0x00,0xE0,0x30,0x30,0x1C,0x30,0x30,0xE0,0x00,0x00}, /* } */
{0x00,0x76,0xDC,0x00,0x00,0x00,0x00,0x00,0x00,0x00}, /* ~ */
{0x00,0xEA,0x4E,0x4A,0x4A,0x00,0x00,0x00,0x00,0x00}, /* trade mark */
};