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More memptr adjustments

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Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
This commit is contained in:
Adrian Conlon
2018-08-17 13:59:59 +01:00
parent 1abe3ae456
commit ed76038bfa
12 changed files with 52 additions and 69 deletions
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Intel8080/src/Intel8080.cpp
+4 -6
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@@ -236,8 +236,7 @@ void EightBit::Intel8080::xhtl() {
}
void EightBit::Intel8080::writePort(uint8_t port) {
BUS().ADDRESS().low = port;
BUS().ADDRESS().high = A();
BUS().ADDRESS() = register16_t(port, A());
BUS().DATA() = A();
writePort();
}
@@ -247,8 +246,7 @@ void EightBit::Intel8080::writePort() {
}
uint8_t EightBit::Intel8080::readPort(uint8_t port) {
BUS().ADDRESS().low = port;
BUS().ADDRESS().high = A();
BUS().ADDRESS() = register16_t(port, A());
return readPort();
}
@@ -330,7 +328,7 @@ void EightBit::Intel8080::execute(int x, int y, int z, int p, int q) {
addCycles(7);
break;
case 2: // LD (nn),HL
MEMPTR() = fetchWord();
BUS().ADDRESS() = fetchWord();
setWord(HL());
addCycles(16);
break;
@@ -354,7 +352,7 @@ void EightBit::Intel8080::execute(int x, int y, int z, int p, int q) {
addCycles(7);
break;
case 2: // LD HL,(nn)
MEMPTR() = fetchWord();
BUS().ADDRESS() = fetchWord();
HL() = getWord();
addCycles(16);
break;