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Fix: bedmas with DMA channel mask and offsets

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Ernest Wong 2017-11-18 13:19:41 +13:00 committed by Fabian
parent bbf63910a0
commit 03071edbb7
1 changed files with 2 additions and 2 deletions
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4
src/dma.js
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@ -101,7 +101,7 @@ DMA.prototype.port_page_read = function(channel)
DMA.prototype.port_singlemask_write = function(channel_offset, data_byte)
{
var channel = data_byte & 0x3 + channel_offset;
var channel = (data_byte & 0x3) + channel_offset;
var value = !!(data_byte & 0x8);
dbg_log("singlechannel mask write [" + channel + "] = " + value, LOG_DMA);
this.update_mask(channel, value);
@ -129,7 +129,7 @@ DMA.prototype.port_multimask_read = function(channel_offset)
DMA.prototype.port_mode_write = function(channel_offset, data_byte)
{
var channel = data_byte & 0x3 + channel_offset;
var channel = (data_byte & 0x3) + channel_offset;
dbg_log("mode write [" + channel + "] = " + h(data_byte), LOG_DMA);
this.channel_mode[channel] = data_byte;
}