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PDP11: Enforce limit on number of displays in TV device.

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Lars Brinkhoff 2022-11-02 14:05:31 +01:00 • committed by Paul Koning
parent d1e9358a63
commit 009d748ad6
1 changed files with 5 additions and 0 deletions
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5
PDP11/pdp11_tv.c
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@ -155,6 +155,9 @@ render_word (uint8 buffer, uint16 address)
uint16 data; uint16 data;
int i; int i;
if (display >= TV_WINDOWS)
return;
buffer &= 077; buffer &= 077;
address /= 2; address /= 2;
address += (TVCNSL[buffer] & SCROLL) << 2; address += (TVCNSL[buffer] & SCROLL) << 2;
@ -175,6 +178,8 @@ render_display (uint16 display)
{ {
uint8 buffer = tv_source[display]; uint8 buffer = tv_source[display];
int i; int i;
if (display >= TV_WINDOWS)
return;
sim_debug (DBG_VID, &tv_dev, "Render display %d buffer %d\n", sim_debug (DBG_VID, &tv_dev, "Render display %d buffer %d\n",
display, buffer); display, buffer);
for (i = 0; i < (TV_PIXELS / 8); i += 2) for (i = 0; i < (TV_PIXELS / 8); i += 2)