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First stab at getting the GbNet keyboard working properly. Better, but not perfect...

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Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
This commit is contained in:
Adrian Conlon 2019-08-03 11:34:12 +01:00
parent dedc340bf5
commit db8ad5ad5b
1 changed files with 11 additions and 10 deletions
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21
LR35902/IoRegisters.cs
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@ -335,16 +335,17 @@ namespace EightBit.GameBoy
// Port/Mode Registers
case P1:
{
var p14 = this.scanP14 && !this.p14;
var p15 = this.scanP15 && !this.p15;
var live = p14 || p15;
var p10 = live && this.p10 ? 1 : 0;
var p11 = live && this.p11 ? 1 : 0;
var p12 = live && this.p12 ? 1 : 0;
var p13 = live && this.p13 ? 1 : 0;
this.Poke(
port,
(byte)(p10 | (p11 << 1) | (p12 << 2) | (p13 << 3) | (int)(Bits.Bit4 | Bits.Bit5 | Bits.Bit6 | Bits.Bit7)));
var directionKeys = this.scanP14 && !this.p14;
var miscKeys = this.scanP15 && !this.p15;
var live = directionKeys || miscKeys;
var rightOrA = live && this.p10 ? 0 : 1;
var leftOrB = live && this.p11 ? 0 : 1;
var upOrSelect = live && this.p12 ? 0 : 1;
var downOrStart = live && this.p13 ? 0 : 1;
var lowNibble = (byte)(rightOrA | (leftOrB << 1) | (upOrSelect << 2) | (downOrStart << 3));
var highNibble = (byte)Chip.PromoteNibble((byte)Mask.Mask4);
var value = (byte)(lowNibble | highNibble);
this.Poke(port, value);
}
break;