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Correct a couple of warnings in the 8080 code

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Signed-off-by: Adrian.Conlon <adrian.conlon@gmail.com>
This commit is contained in:
Adrian.Conlon 2017-06-14 20:13:37 +01:00
parent 66d3a5ae29
commit e6eab35d0e
1 changed files with 4 additions and 4 deletions
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8
Intel8080/inc/Intel8080.h
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@ -89,7 +89,7 @@ namespace EightBit {
void adjustParity(uint8_t value) { void adjustParity(uint8_t value) {
static const uint8_t lookup[0x10] = { 0, 1, 1, 2, 1, 2, 2, 3, 1, 2, 2, 3, 2, 3, 3, 4 }; static const uint8_t lookup[0x10] = { 0, 1, 1, 2, 1, 2, 2, 3, 1, 2, 2, 3, 2, 3, 3, 4 };
auto set = (lookup[highNibble(value)] + lookup[lowNibble(value)]); auto set = (lookup[highNibble(value)] + lookup[lowNibble(value)]);
F().P = (set % 2) == 0; F().P = !(set % 2);
} }
void adjustSZP(uint8_t value) { void adjustSZP(uint8_t value) {
@ -127,7 +127,7 @@ namespace EightBit {
uint16_t subtraction = A() - value; uint16_t subtraction = A() - value;
adjustSZP((uint8_t)subtraction); adjustSZP((uint8_t)subtraction);
adjustAuxiliaryCarrySub(value, subtraction); adjustAuxiliaryCarrySub(value, subtraction);
F().C = subtraction & Bit8; F().C = (subtraction & Bit8) != 0;
} }
void anda(uint8_t value) { void anda(uint8_t value) {
@ -151,7 +151,7 @@ namespace EightBit {
sum.word = A() + value + carry; sum.word = A() + value + carry;
adjustAuxiliaryCarryAdd(value, sum.word); adjustAuxiliaryCarryAdd(value, sum.word);
A() = sum.low; A() = sum.low;
F().C = sum.word & Bit8; F().C = (sum.word & Bit8) != 0;
adjustSZP(A()); adjustSZP(A());
} }
@ -170,7 +170,7 @@ namespace EightBit {
difference.word = A() - value - carry; difference.word = A() - value - carry;
adjustAuxiliaryCarrySub(value, difference.word); adjustAuxiliaryCarrySub(value, difference.word);
A() = difference.low; A() = difference.low;
F().C = difference.word & Bit8; F().C = (difference.word & Bit8) != 0;
adjustSZP(A()); adjustSZP(A());
} }