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KA10: Fix III display boundaries again.

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This commit is contained in:
Lars Brinkhoff 2021-04-22 21:06:05 +02:00
parent 2ac8ea044d
commit 14c0012bb0
1 changed files with 14 additions and 9 deletions
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23
PDP10/ka10_iii.c
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@ -97,6 +97,11 @@
#define CBRT_V 3
#define CSIZE_V 0
#define MIN_X -512
#define MAX_X 512
#define MIN_Y -501
#define MAX_Y 522
/*
* Character map.
* M(x,y) moves pointer to x,y.
@ -448,7 +453,7 @@ iii_svc (UNIT *uptr)
if (ch == '\t' || ch == 0)
continue;
if (ch == '\r') {
ox = -512;
ox = MIN_X;
continue;
}
if (ch == '\n') {
@ -493,7 +498,7 @@ iii_svc (UNIT *uptr)
nx, ny, sz, br);
nx += ox;
ny += oy;
if (nx < -512 || nx > 512 || ny < -512 || ny > 512)
if (nx < MIN_X || nx > MAX_X || ny < MIN_Y || ny > MAX_Y)
uptr->STATUS |= EDG_FBIT;
i = (int)((iii_instr >> 18) & 3);
if ((i & 02) == 0 && (iii_sel & 04000) != 0) { /* Check if visible */
@ -516,7 +521,7 @@ iii_svc (UNIT *uptr)
/* Compute relative position. */
nx += ox;
ny += oy;
if (nx < -512 || nx > 512 || ny < -512 || ny > 512)
if (nx < MIN_X || nx > MAX_X || ny < MIN_Y || ny > MAX_Y)
uptr->STATUS |= EDG_FBIT;
/* Check if visible */
if ((iii_instr & 040) == 0 && (iii_sel & 04000) != 0) {
@ -561,7 +566,7 @@ iii_svc (UNIT *uptr)
if ((iii_instr & 0100) == 0) { /* Relative mode */
nx += ox;
ny += oy;
if (nx < -512 || nx > 512 || ny < -512 || ny > 512)
if (nx < MIN_X || nx > MAX_X || ny < MIN_Y || ny > MAX_Y)
uptr->STATUS |= EDG_FBIT;
}
/* Check if visible */
@ -647,20 +652,20 @@ t_stat iii_reset (DEVICE *dptr)
static void
draw_point(int x, int y, int b, UNIT *uptr)
{
if (x < -512 || x > 512 || y < -501 || y > 522)
if (x < MIN_X || x > MAX_X || y < MIN_Y || y > MAX_X)
uptr->STATUS |= WRP_FBIT;
display_point(x + 512, y + 501, b, 0);
display_point(x - MIN_X, y - MIN_Y, b, 0);
}
/* Draw a line between two points */
static void
draw_line(int x1, int y1, int x2, int y2, int b, UNIT *uptr)
{
if (x1 < -512 || x1 > 512 || y1 < -501 || y1 > 522)
if (x1 < MIN_X || x1 > MAX_X || y1 < MIN_Y || y1 > MAX_Y)
uptr->STATUS |= WRP_FBIT;
if (x2 < -512 || x2 > 512 || y2 < -501 || y2 > 522)
if (x2 < MIN_X || x2 > MAX_X || y2 < MIN_Y || y2 > MAX_Y)
uptr->STATUS |= WRP_FBIT;
display_line(x1 + 512, y1 + 501, x2 + 512, y2 + 501, b);
display_line(x1 - MIN_X, y1 - MIN_Y, x2 - MIN_X, y2 - MIN_Y, b);
}
t_stat iii_help (FILE *st, DEVICE *dptr, UNIT *uptr, int32 flag, const char *cptr)