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fix bug in readPort function

This commit is contained in:
wixette 2020-03-07 02:38:38 +08:00
parent 1694a99df4
commit 3d81f09a69
1 changed files with 2 additions and 2 deletions
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4
js/sim8800.js
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@ -249,8 +249,8 @@ class Sim8800 {
return function(address) { return function(address) {
var value = 0; var value = 0;
// We only care about the port 0xff. // We only care about the port 0xff.
if (address == 0xff && this.getInputAddressCallback) { if (address == 0xff && self.getInputAddressCallback) {
var word = this.getInputAddressCallback(); var word = self.getInputAddressCallback();
return word >> 8; return word >> 8;
} }
return value; return value;