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Laid groundwork for MMU-specific functions, to avoid address mapping work when unnecessary

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Jeff 2016-09-25 12:12:26 -07:00 • committed by Jeff Parsons
commit da617d454d
6 changed files with 804 additions and 687 deletions
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4
modules/pdp11/lib/device.js
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@ -734,7 +734,7 @@ DevicePDP11.prototype.readData = function(meta, block, address, count)
return;
}
for (word = 0; word < meta.blocksize && count > 0; word++) {
if (this.cpu.writeWordByAddr((meta.mapped? this.cpu.mapUnibus(address) : address), meta.cache[block][word]) < 0) {
if (this.cpu.writeWordByPhysical((meta.mapped? this.cpu.mapUnibus(address) : address), meta.cache[block][word]) < 0) {
meta.postProcess(2, meta, block, address, count); // NXM
return;
}
@ -768,7 +768,7 @@ DevicePDP11.prototype.writeData = function(meta, block, address, count)
}
}
for (word = 0; word < meta.blocksize && count > 0; word++) {
data = this.cpu.readWordByAddr((meta.mapped? this.cpu.mapUnibus(address) : address));
data = this.cpu.readWordByPhysical((meta.mapped? this.cpu.mapUnibus(address) : address));
if (data < 0) {
meta.postProcess(2, meta, block, address, count); // NXM
return;