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Fix game ports at a non-standard addresses not being added if there were none previously

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This commit is contained in:
Alexander Babikov
2021-06-25 21:01:58 +05:00
parent c0d2091620
commit 7824e99341
1 changed files with 4 additions and 5 deletions
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9
src/game/gameport.c
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@@ -324,17 +324,16 @@ gameport_remap(void *priv, uint16_t address)
if (dev->addr) {
/* Add this port to the active ports list. */
if ((dev->addr & 0xfff8) == 0x200) {
/* Port within 200-207h: add to top. */
if ( !active_gameports || ((dev->addr & 0xfff8) == 0x200)) {
/* No ports have been added yet, or port within 200-207h: add to top. */
dev->next = active_gameports;
active_gameports = dev;
} else {
/* Port at other addresses: add to bottom. */
other_dev = active_gameports;
while (other_dev && other_dev->next)
while (other_dev->next)
other_dev = other_dev->next;
if (other_dev)
other_dev->next = dev;
other_dev->next = dev;
}
io_sethandler(dev->addr, dev->len,