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Fix field decoding.

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This commit is contained in:
Thomas Harte 2023-11-19 21:51:27 -05:00
parent 4e077701c9
commit 119c83eb18
1 changed files with 3 additions and 2 deletions
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5
Machines/PCCompatible/PCCompatible.cpp
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@ -46,7 +46,8 @@ class PIT {
printf("Set mode on %d\n", channel_id); printf("Set mode on %d\n", channel_id);
Channel &channel = channels_[channel_id]; Channel &channel = channels_[channel_id];
switch((value >> 1) & 3) { channel.next_write_high = false;
switch((value >> 4) & 3) {
default: default:
channel.latch_value(); channel.latch_value();
return; return;
@ -58,7 +59,7 @@ class PIT {
channel.is_bcd = value & 1; channel.is_bcd = value & 1;
channel.next_write_high = false; channel.next_write_high = false;
const auto operating_mode = (value >> 3) & 7; const auto operating_mode = (value >> 1) & 7;
switch(operating_mode) { switch(operating_mode) {
default: channel.mode = OperatingMode(operating_mode); break; default: channel.mode = OperatingMode(operating_mode); break;
case 6: channel.mode = OperatingMode::RateGenerator; break; case 6: channel.mode = OperatingMode::RateGenerator; break;