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Apply clock multiplier.

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This commit is contained in:
Thomas Harte
2025-11-03 13:20:51 -05:00
parent 5887e3e580
commit 02ad080bb8
1 changed files with 4 additions and 1 deletions
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5
Machines/Acorn/Tube/Tube6502.hpp
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@@ -19,8 +19,10 @@ public:
Tube6502() : m6502_(*this) {}
// By convention, these are cycles relative to the host's 2Mhz bus.
// Multiply by 3/2 to turn that into the tube 6502's usual 3Mhz bus.
void run_for(const Cycles cycles) {
m6502_.run_for(cycles); // TODO: multiply by 1.5. Or more.
cycles_modulo_ += cycles * 3;
m6502_.run_for(cycles_modulo_.divide(Cycles(2)));
}
template <CPU::MOS6502Mk2::BusOperation operation, typename AddressT>
@@ -45,6 +47,7 @@ public:
private:
uint8_t ram_[65536];
Cycles cycles_modulo_;
struct M6502Traits {
static constexpr auto uses_ready_line = false;