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Reduce to a generic case.

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This commit is contained in:
Thomas Harte
2025-10-23 21:54:50 -04:00
parent e9c8c61dcf
commit f742eab4be
1 changed files with 7 additions and 22 deletions
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Processors/6502Mk2/6502Mk2.hpp
+7 -22
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@@ -81,35 +81,20 @@ private:
uint16_t address_;
};
struct ZeroPage {
constexpr ZeroPage(const uint8_t address) noexcept : address_(address) {}
template <uint8_t Page>
struct FixedPage {
FixedPage(const uint8_t address) noexcept : address_(address) {}
operator uint16_t() const {
return address_;
return (Page << 8) | address_;
}
private:
uint8_t address_;
};
struct Stack {
constexpr Stack(const uint8_t address) noexcept : address_(address) {}
operator uint16_t() const {
return 0x0100 | address_;
}
private:
uint8_t address_;
};
struct Vector {
constexpr Vector(const uint8_t address) noexcept : address_(address) {}
operator uint16_t() const {
return 0xff00 | address_;
}
private:
uint8_t address_;
};
using ZeroPage = FixedPage<0x00>;
using Stack = FixedPage<0x01>;
using Vector = FixedPage<0xff>;
} // namespace Address