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@@ -2,12 +2,14 @@
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* RTC (real time clock) and CMOS
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* @constructor
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*/
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-function RTC(dev, diskette_type)
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+function RTC(dev, diskette_type, boot_order)
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{
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var
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io = dev.io,
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pic = dev.pic,
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+ memory_size = dev.memory.size,
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+
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cmos_index = 0,
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me = this,
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@@ -78,7 +80,7 @@ function RTC(dev, diskette_type)
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{
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var index = cmos_index;
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- cmos_index = 0xD;
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+ //cmos_index = 0xD;
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switch(index)
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{
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@@ -137,14 +139,20 @@ function RTC(dev, diskette_type)
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case 0x35:
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return (memory_size - 16 * 1024 * 1024) >> 24 & 0xff;
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+
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case 0x38:
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// used by seabios to determine the boot order
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+ // Nibble
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+ // 1: FloppyPrio
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+ // 2: HDPrio
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+ // 3: CDPrio
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+ // 4: BEVPrio
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// bootflag 1, high nibble, lowest priority
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// Low nibble: Disable floppy signature check (1)
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- return 0x31; // hd
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+ return 1 | boot_order >> 4 & 0xF0;
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case 0x3D:
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// bootflag 2, both nibbles, high and middle priority
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- return 0x21; // floppy first, cd second
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+ return boot_order & 0xFF;
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case 0x5B:
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case 0x5C:
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