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Post the serial control write onwards.

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This commit is contained in:
Thomas Harte 2021-07-30 18:24:27 -04:00
parent 3d9f86c584
commit 1bae4973bc
2 changed files with 13 additions and 2 deletions
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2
Machines/Amiga/Chipset.cpp
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@ -61,7 +61,6 @@ void Chipset::set_cia_interrupts(bool cia_a, bool cia_b) {
}
}
bool Chipset::Copper::advance(uint16_t position) {
switch(state_) {
default: return false;
@ -434,6 +433,7 @@ void Chipset::perform(const CPU::MC68000::Microcycle &cycle) {
break;
case Write(0x032):
LOG("TODO: serial control: " << PADHEX(4) << cycle.value16());
serial_.set_control(cycle.value16());
break;
// DMA management.

13
Machines/Amiga/Chipset.hpp
View File

@ -147,7 +147,18 @@ class Chipset {
uint16_t *ram_ = nullptr;
uint32_t ram_mask_ = 0;
} copper_;
friend Copper;
// MARK: - Serial port.
class SerialPort {
public:
void set_control(uint16_t) {}
private:
uint16_t value = 0, reload = 0;
uint16_t shift = 0, receive_shift = 0;
uint16_t status;
} serial_;
// MARK: - Pixel output.