mdk/hl-vt100
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Implement DECALN and RI to pass very first test in vttest

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Julien 2011-09-10 23:50:15 +02:00
parent 9da19b8a10
commit a0aba86c33
1 changed files with 80 additions and 4 deletions
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84
test.c
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@ -54,6 +54,27 @@ void my_putnbr(int nb)
my_putchar(-(nb % 10) + '0');
}
int my_putnbr_base(int nbr, char *base)
{
int len;
int neg_flag;
len = -1;
neg_flag = 1;
while (*(base + ++len));
if (len < 2)
return (-1);
if (nbr < 0)
{
my_putchar('-');
neg_flag = -1;
}
if (nbr / len)
my_putnbr_base((nbr / len) * neg_flag, base);
my_putchar(base[(nbr % len) * neg_flag]);
return (nbr);
}
void my_strdump(char *str)
{
while (*str != '\0')
@ -64,9 +85,8 @@ void my_strdump(char *str)
}
else
{
write(1, "[", 1);
my_putnbr(*str);
write(1, "]", 1);
write(1, "\\0", 2);
my_putnbr_base(*str, "01234567");
}
str += 1;
}
@ -127,7 +147,8 @@ void dump(char *title, struct vt100_emul *vt100,
if (argc != vt100->argc - 1)
write(1, ", ", 2);
}
disp(term);
write(1, "\n", 1);
/* disp(term); */
}
/*
@ -168,6 +189,28 @@ void DECRC(struct vt100_emul *vt100)
dump("DECRC", vt100, term);
}
/*
DECALN – Screen Alignment Display (DEC Private)
ESC # 8
This command fills the entire screen area with uppercase Es for screen
focus and alignment. This command is used by DEC manufacturing and
Field Service personnel.
*/
void DECALN(struct vt100_emul *vt100)
{
struct headless_terminal *term;
unsigned int x;
unsigned int y;
term = (struct headless_terminal *)vt100->user_data;
for (x = 0; x < term->width; ++x)
for (y = 0; y < term->height; ++y)
set(term, x, y, 'E');
dump("DEALN", vt100, term);
}
/*
IND – Index
@ -194,6 +237,32 @@ void IND(struct vt100_emul *vt100)
}
dump("IND", vt100, term);
}
/*
RI – Reverse Index
ESC M
Move the active position to the same horizontal position on the
preceding line. If the active position is at the top margin, a scroll
down is performed. Format Effector
*/
void RI(struct vt100_emul *vt100)
{
struct headless_terminal *term;
term = (struct headless_terminal *)vt100->user_data;
if (term->y == 0)
{
/* SCROLL */
term->top_line = (term->top_line - 1) % (term->height * SCROLLBACK);
}
else
{
/* Do not scroll, just move upward on the current display space */
term->y -= 1;
}
dump("RI", vt100, term);
}
/*
NEL – Next Line
@ -514,6 +583,11 @@ static void vt100_write(struct vt100_emul *vt100, char c __attribute__((unused))
NEL(vt100);
return ;
}
if (c == '\010' && term->x > 0)
{
term->x -= 1;
return ;
}
set(term, term->x, term->y, c);
term->x += 1;
if (term->x == term->width + 1)
@ -633,8 +707,10 @@ int main(int ac, char **av)
callbacks.csi.CUB = (vt100_action)CUB;
callbacks.esc.NEL = (vt100_action)NEL;
callbacks.esc.IND = (vt100_action)IND;
callbacks.esc.RI = (vt100_action)RI;
callbacks.esc.DECRC = (vt100_action)DECRC;
callbacks.esc.DECSC = (vt100_action)DECSC;
callbacks.hash.DECALN = (vt100_action)DECALN;
vt100 = vt100_init(80, 24, &callbacks, vt100_write);
vt100->user_data = &terminal;