static uint8_t fontmin[128] = {
  0,
  0,0,0,0,0,0,0,0,0,0,
  0,0,0,0,0,0,0,0,0,0,
  0,0,0,0,0,0,0,0,0,0,0,0,
  3,3,2,1,0,0,3,3,2,1,1,3,2,3,1,1,2,1,1,2,1,1,1,1,1,3,3,1,1,1,2,2,1,2,2,2,2,2,2,1,1,2,2,1,0,1,1,2,1,2,1,0,1,0,0,1,0,1,3,1,3,3,1,3,1,1,2,1,1,3,2,2,3,3,2,3,1,1,1,1,1,1,2,2,1,1,0,1,1,2,2,3,2,1,1
};

static uint8_t fontmax[128] = {
  1,
  1,1,1,1,1,1,1,1,1,1,
  1,1,1,1,1,1,1,1,1,1,
  1,1,1,1,1,1,1,1,1,1,1,1,
  3,5,6,5,7,5,3,5,4,5,5,4,5,3,6,6,4,6,6,6,6,6,6,6,6,3,4,6,6,6,6,7,6,6,7,6,6,6,7,6,5,6,6,6,6,6,5,6,5,6,5,6,6,7,6,6,6,6,5,6,5,5,6,4,6,6,5,6,6,5,6,5,3,6,5,4,6,5,6,6,6,5,5,5,5,6,7,6,6,5,5,3,5,6,6
};

/* the values in this array are a 8x8 bitmap font for ascii characters */
static uint64_t font[128] = {
  /************************************************************************
    font.c
    Copyright (C) Lisa Milne 2014 <lisa@ltmnet.com>

    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.

    This program is distributed in the hope that it will be useful, but
    WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
    See the GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with this program.  If not, see <http://www.gnu.org/licenses/>
  ************************************************************************/
  0x7E7E7E7E7E7E0000, /* NUL */
  0x7E7E7E7E7E7E0000, /* SOH */
  0x7E7E7E7E7E7E0000, /* STX */
  0x7E7E7E7E7E7E0000, /* ETX */
  0x7E7E7E7E7E7E0000, /* EOT */
  0x7E7E7E7E7E7E0000, /* ENQ */
  0x7E7E7E7E7E7E0000, /* ACK */
  0x7E7E7E7E7E7E0000, /* BEL */
  0x7E7E7E7E7E7E0000, /* BS */
  0x0,      /* TAB */
  0x7E7E7E7E7E7E0000, /* LF */
  0x7E7E7E7E7E7E0000, /* VT */
  0x7E7E7E7E7E7E0000, /* FF */
  0x7E7E7E7E7E7E0000, /* CR */
  0x7E7E7E7E7E7E0000, /* SO */
  0x7E7E7E7E7E7E0000, /* SI */
  0x7E7E7E7E7E7E0000, /* DLE */
  0x7E7E7E7E7E7E0000, /* DC1 */
  0x7E7E7E7E7E7E0000, /* DC2 */
  0x7E7E7E7E7E7E0000, /* DC3 */
  0x7E7E7E7E7E7E0000, /* DC4 */
  0x7E7E7E7E7E7E0000, /* NAK */
  0x7E7E7E7E7E7E0000, /* SYN */
  0x7E7E7E7E7E7E0000, /* ETB */
  0x7E7E7E7E7E7E0000, /* CAN */
  0x7E7E7E7E7E7E0000, /* EM */
  0x7E7E7E7E7E7E0000, /* SUB */
  0x7E7E7E7E7E7E0000, /* ESC */
  0x7E7E7E7E7E7E0000, /* FS */
  0x7E7E7E7E7E7E0000, /* GS */
  0x7E7E7E7E7E7E0000, /* RS */
  0x7E7E7E7E7E7E0000, /* US */
  0x0,      /* (space) */
  0x808080800080000,  /* ! */
  0x2828000000000000, /* " */
  0x287C287C280000, /* # */
  0x81E281C0A3C0800,  /* $ */
  0x6094681629060000, /* % */
  0x1C20201926190000, /* & */
  0x808000000000000,  /* ' */
  0x810202010080000,  /* ( */
  0x1008040408100000, /* ) */
  0x2A1C3E1C2A000000, /* * */
  0x8083E08080000,  /* + */
  0x81000,    /* , */
  0x3C00000000,   /* - */
  0x80000,    /* . */
  0x204081020400000,  /* / */
  0x1824424224180000, /* 0 */
  0x8180808081C0000,  /* 1 */
  0x3C420418207E0000, /* 2 */
  0x3C420418423C0000, /* 3 */
  0x81828487C080000,  /* 4 */
  0x7E407C02423C0000, /* 5 */
  0x3C407C42423C0000, /* 6 */
  0x7E04081020400000, /* 7 */
  0x3C423C42423C0000, /* 8 */
  0x3C42423E023C0000, /* 9 */
  0x80000080000,    /* : */
  0x80000081000,    /* ; */
  0x6186018060000,  /* < */
  0x7E007E000000,   /* = */
  0x60180618600000, /* > */
  0x3844041800100000, /* ? */
  0x3C449C945C201C, /* @ */
  0x1818243C42420000, /* A */
  0x7844784444780000, /* B */
  0x3844808044380000, /* C */
  0x7844444444780000, /* D */
  0x7C407840407C0000, /* E */
  0x7C40784040400000, /* F */
  0x3844809C44380000, /* G */
  0x42427E4242420000, /* H */
  0x3E080808083E0000, /* I */
  0x1C04040444380000, /* J */
  0x4448507048440000, /* K */
  0x40404040407E0000, /* L */
  0x4163554941410000, /* M */
  0x4262524A46420000, /* N */
  0x1C222222221C0000, /* O */
  0x7844784040400000, /* P */
  0x1C222222221C0200, /* Q */
  0x7844785048440000, /* R */
  0x1C22100C221C0000, /* S */
  0x7F08080808080000, /* T */
  0x42424242423C0000, /* U */
  0x8142422424180000, /* V */
  0x4141495563410000, /* W */
  0x4224181824420000, /* X */
  0x4122140808080000, /* Y */
  0x7E040810207E0000, /* Z */
  0x3820202020380000, /* [ */
  0x4020100804020000, /*  */
  0x3808080808380000, /* ] */
  0x1028000000000000, /* ^ */
  0x7E0000,   /* _ */
  0x1008000000000000, /* ` */
  0x3C023E463A0000, /* a */
  0x40407C42625C0000, /* b */
  0x1C20201C0000,   /* c */
  0x2023E42463A0000,  /* d */
  0x3C427E403C0000, /* e */
  0x18103810100000, /* f */
  0x344C44340438,   /* g */
  0x2020382424240000, /* h */
  0x800080808080000,  /* i */
  0x800180808080870,  /* j */
  0x20202428302C0000, /* k */
  0x1010101010180000, /* l */
  0x665A42420000,   /* m */
  0x2E3222220000,   /* n */
  0x3C42423C0000,   /* o */
  0x5C62427C4040,   /* p */
  0x3A46423E0202,   /* q */
  0x2C3220200000,   /* r */
  0x1C201804380000, /* s */
  0x103C1010180000, /* t */
  0x2222261A0000,   /* u */
  0x424224180000,   /* v */
  0x81815A660000,   /* w */
  0x422418660000,   /* x */
  0x422214081060,   /* y */
  0x3C08103C0000,   /* z */
  0x1C103030101C0000, /* { */
  0x808080808080800,  /* | */
  0x38080C0C08380000, /* } */
  0x324C000000,   /* ~ */
  0x7E7E7E7E7E7E0000  /* DEL */
};