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Only set or unset DHIRES if IOUDIS is on

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This commit is contained in:
Peter Evans 2018-01-21 21:32:22 -06:00
parent d119854631
commit ef7977c18b
1 changed files with 8 additions and 4 deletions
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12
src/apple2.dbuf.c
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@ -199,13 +199,17 @@ SEGMENT_READER(apple2_dbuf_switch_read)
break;
case 0xC05E:
apple2_set_display(mach,
mach->display_mode | DISPLAY_DHIRES);
if (mach->display_mode & DISPLAY_IOUDIS) {
apple2_set_display(mach,
mach->display_mode | DISPLAY_DHIRES);
}
break;
case 0xC05F:
apple2_set_display(mach,
mach->display_mode & ~DISPLAY_DHIRES);
if (mach->display_mode & DISPLAY_IOUDIS) {
apple2_set_display(mach,
mach->display_mode & ~DISPLAY_DHIRES);
}
break;
}