/* write a string on screen */
static void tx0_draw_string(running_machine &machine, bitmap_ind16 &bitmap, const char *buf, int x, int y, int color)
{
while (* buf)
{
tx0_draw_char(machine, bitmap, *buf, x, y, color);
x += 8;
buf++;
}
}
void tx0_state::tx0_typewriter_drawchar(int character)
{
static const char ascii_table[2][64] =
{
{ /* lower case */
'\0', '\0', 'e', '8',
'\0', '|', 'a', '3',
' ', '=', 's', '4',
'i', '+', 'u', '2',
'\0',/*color shift*/'.', 'd', '5',
'r', '1', 'j', '7',
'n', ',', 'f', '6',
'c', '-', 'k', '\0',
't', '\0', 'z', '\0',/*back space*/
'l', '\0',/*tab*/ 'w', '\0',
'h', '\0',/*carr. return*/'y', '\0',
'p', '\0', 'q', '\0',
'o', '\0',/*stop*/ 'b', '\0',
'g', '\0', '9', '\0',
'm', '\0',/*upper case*/ 'x', '\0',
'v', '\0',/*lower case*/ '0', '\0'/*delete*/
},
{ /* upper case */
'\0', '\0', 'E', '\210',
'\0', '_', 'A', '\203',
' ', ':', 'S', '\204',
'I', '/', 'U', '\202',
'\0',/*color shift*/')', 'D', '\205',
'R', '\201', 'J', '\207',
'N', '(', 'F', '\206',
'C', '\212',/*macron*/ 'K', '\0',
'T', '\0', 'Z', '\0',/*back space*/
'L', '\0',/*tab*/ 'W', '\0',
'H', '\0',/*carr. return*/'Y', '\0',
'P', '\0', 'Q', '\0',
'O', '\0',/*stop*/ 'B', '\0',
'G', '\0', '\211', '\0',
'M', '\0',/*upper case*/ 'X', '\0',
'V', '\0',/*lower case*/ '\200', '\0'/*delete*/
}
};
character &= 0x3f;
switch (character)
{
case 020:
#if 0
/* color shift */
m_typewriter_color = color_typewriter_black;
m_typewriter_color = color_typewriter_red;
#endif
break;
case 043:
/* Backspace */
if (m_pos)
m_pos--;
break;
case 045:
/* Tab */
m_pos = m_pos + tab_step - (m_pos % tab_step);
break;
case 051:
/* Carriage Return */
m_pos = 0;
tx0_typewriter_linefeed();
break;
case 061:
/* Stop */
/* ?????? */
break;
case 071:
/* Upper case */
m_case_shift = 1;
break;
case 075:
/* Lower case */
m_case_shift = 0;
break;
case 077:
/* Delete */
/* ?????? */
break;
default:
/* Any printable character... */
if (m_pos >= 80)
{ /* if past right border, wrap around. (Right???) */
tx0_typewriter_linefeed(); /* next line */
m_pos = 0; /* return to start of line */
}
/* print character (lookup ASCII equivalent in table) */
tx0_draw_char(m_typewriter_bitmap, ascii_table[m_case_shift][character],
8*m_pos, typewriter_write_offset_y,
m_typewriter_color); /* print char */
m_pos++; /* step carriage forward */
break;
}
}