--- nono/vm/printer.cpp 2026/04/29 17:05:14 1.1.1.7 +++ nono/vm/printer.cpp 2026/04/29 17:05:29 1.1.1.10 @@ -9,71 +9,65 @@ // #include "printer.h" -#include "mpu.h" +#include "event.h" -// グローバル参照用 -PrinterDevice *gPrinter; +// InsideOut p.135 +static const busdata wait = busdata::Wait(7 * 40_nsec); // コンストラクタ PrinterDevice::PrinterDevice() - : inherited("Printer") + : inherited(OBJ_PRINTER) { - devaddr = baseaddr; - devlen = 0x2000; } // デストラクタ PrinterDevice::~PrinterDevice() { - gPrinter = NULL; } -uint64 -PrinterDevice::Read8(uint32 addr) +busdata +PrinterDevice::ReadPort(uint32 offset) { // 書き込み専用 - gMPU->AddCycle(7); // InsideOut p.135 - return (uint64)-1; + busdata data = BusData::BusErr; + data |= wait; + return data; } -uint64 -PrinterDevice::Read16(uint32 addr) +busdata +PrinterDevice::WritePort(uint32 offset, uint32 data) { - // 書き込み専用 - gMPU->AddCycle(7); // InsideOut p.135 - return (uint64)-1; -} + busdata r; -uint64 -PrinterDevice::Write8(uint32 addr, uint32 data) -{ - gMPU->AddCycle(7); // InsideOut p.135 - - uint32 offset = addr - baseaddr; switch (offset) { case 0: // データ書き込み putlog(0, "Write Data (NOT IMPLEMENTED)"); + r.SetBusErr(); break; - case 3: + case 1: // ストローブ書き込み putlog(0, "Write Strobe (NOT IMPLEMENTED)"); - return 0; + r = 0; + break; default: break; } - return (uint64)-1; -} -uint64 -PrinterDevice::Write16(uint32 addr, uint32 data) -{ - return Write8(addr + 1, data); + r |= wait; + r |= BusData::Size1; + return r; } -uint64 -PrinterDevice::Peek8(uint32 addr) +busdata +PrinterDevice::PeekPort(uint32 offset) { // XXX return 0xff; } + +bool +PrinterDevice::PokePort(uint32 offset, uint32 data) +{ + return false; +}