mirror of
https://github.com/TomHarte/CLK.git
synced 2024-12-26 09:29:45 +00:00
Eliminates static
where constexpr
a aren't class members; adds some if constexpr
s for clarity.
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parent
66d9b60b98
commit
5456a4a39d
@ -877,8 +877,10 @@ template <bool has_fdc> class ConcreteMachine:
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// Pump the AY
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ay_.run_for(cycle.length);
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// Clock the FDC, if connected, using a lazy scale by two
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time_since_fdc_update_ += cycle.length;
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if constexpr (has_fdc) {
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// Clock the FDC, if connected, using a lazy scale by two
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time_since_fdc_update_ += cycle.length;
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}
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// Update typing activity
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if(typer_) typer_->run_for(cycle.length);
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@ -904,9 +906,11 @@ template <bool has_fdc> class ConcreteMachine:
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}
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// Check for an upper ROM selection
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if(has_fdc && !(address&0x2000)) {
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upper_rom_ = (*cycle.value == 7) ? ROMType::AMSDOS : ROMType::BASIC;
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if(upper_rom_is_paged_) read_pointers_[3] = roms_[upper_rom_].data();
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if constexpr (has_fdc) {
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if(!(address&0x2000)) {
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upper_rom_ = (*cycle.value == 7) ? ROMType::AMSDOS : ROMType::BASIC;
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if(upper_rom_is_paged_) read_pointers_[3] = roms_[upper_rom_].data();
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}
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}
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// Check for a CRTC access
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@ -923,16 +927,18 @@ template <bool has_fdc> class ConcreteMachine:
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i8255_.set_register((address >> 8) & 3, *cycle.value);
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}
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// Check for an FDC access
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if(has_fdc && (address & 0x580) == 0x100) {
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flush_fdc();
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fdc_.set_register(address & 1, *cycle.value);
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}
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if constexpr (has_fdc) {
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// Check for an FDC access
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if((address & 0x580) == 0x100) {
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flush_fdc();
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fdc_.set_register(address & 1, *cycle.value);
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}
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// Check for a disk motor access
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if(has_fdc && !(address & 0x580)) {
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flush_fdc();
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fdc_.set_motor_on(!!(*cycle.value));
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// Check for a disk motor access
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if(!(address & 0x580)) {
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flush_fdc();
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fdc_.set_motor_on(!!(*cycle.value));
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}
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}
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break;
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case CPU::Z80::PartialMachineCycle::Input:
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@ -945,9 +951,11 @@ template <bool has_fdc> class ConcreteMachine:
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}
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// Check for an FDC access
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if(has_fdc && (address & 0x580) == 0x100) {
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flush_fdc();
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*cycle.value &= fdc_.get_register(address & 1);
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if constexpr (has_fdc) {
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if((address & 0x580) == 0x100) {
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flush_fdc();
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*cycle.value &= fdc_.get_register(address & 1);
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}
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}
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// Check for a CRTC access; the below is not a typo, the CRTC can be selected
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@ -1065,7 +1073,7 @@ template <bool has_fdc> class ConcreteMachine:
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// MARK: - Activity Source
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void set_activity_observer(Activity::Observer *observer) override {
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if(has_fdc) fdc_.set_activity_observer(observer);
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if constexpr (has_fdc) fdc_.set_activity_observer(observer);
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}
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// MARK: - Configuration options.
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@ -1155,11 +1163,13 @@ template <bool has_fdc> class ConcreteMachine:
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FDC fdc_;
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HalfCycles time_since_fdc_update_;
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void flush_fdc() {
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// Clock the FDC, if connected, using a lazy scale by two
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if(has_fdc && !fdc_is_sleeping_) {
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fdc_.run_for(Cycles(time_since_fdc_update_.as_integral()));
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if constexpr (has_fdc) {
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// Clock the FDC, if connected, using a lazy scale by two
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if(!fdc_is_sleeping_) {
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fdc_.run_for(Cycles(time_since_fdc_update_.as_integral()));
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}
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time_since_fdc_update_ = HalfCycles(0);
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}
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time_since_fdc_update_ = HalfCycles(0);
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}
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InterruptTimer interrupt_timer_;
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@ -18,7 +18,7 @@
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namespace Apple {
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namespace Macintosh {
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static constexpr uint16_t KeypadMask = 0x100;
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constexpr uint16_t KeypadMask = 0x100;
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/*!
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Defines the keycodes that could be passed directly to a Macintosh via set_key_pressed.
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@ -152,7 +152,7 @@ template <Analyser::Static::Macintosh::Target::Model model> class ConcreteMachin
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scc_.set_delegate(this);
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// Also watch for changes in clocking requirement from the SCSI chip.
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if(model == Analyser::Static::Macintosh::Target::Model::MacPlus) {
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if constexpr (model == Analyser::Static::Macintosh::Target::Model::MacPlus) {
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scsi_bus_.set_clocking_hint_observer(this);
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}
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@ -514,7 +514,7 @@ template <Analyser::Static::Macintosh::Target::Model model> class ConcreteMachin
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void set_activity_observer(Activity::Observer *observer) override {
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iwm_->set_activity_observer(observer);
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if(model == Analyser::Static::Macintosh::Target::Model::MacPlus) {
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if constexpr (model == Analyser::Static::Macintosh::Target::Model::MacPlus) {
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scsi_bus_.set_activity_observer(observer);
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}
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}
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@ -642,7 +642,7 @@ template <Analyser::Static::Macintosh::Target::Model model> class ConcreteMachin
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}
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// Update the SCSI if currently active.
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if(model == Analyser::Static::Macintosh::Target::Model::MacPlus) {
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if constexpr (model == Analyser::Static::Macintosh::Target::Model::MacPlus) {
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if(scsi_bus_is_clocked_) scsi_bus_.run_for(duration);
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}
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}
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@ -17,11 +17,11 @@
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namespace Apple {
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namespace Macintosh {
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static constexpr HalfCycles line_length(704);
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static constexpr int number_of_lines = 370;
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static constexpr HalfCycles frame_length(line_length * HalfCycles(number_of_lines));
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static constexpr int sync_start = 36;
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static constexpr int sync_end = 38;
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constexpr HalfCycles line_length(704);
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constexpr int number_of_lines = 370;
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constexpr HalfCycles frame_length(line_length * HalfCycles(number_of_lines));
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constexpr int sync_start = 36;
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constexpr int sync_end = 38;
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/*!
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Models the 68000-era Macintosh video hardware, producing a 512x348 pixel image,
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@ -16,24 +16,24 @@ using namespace Electron;
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#define graphics_column(v) ((((v) & 127) - first_graphics_cycle + 128) & 127)
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namespace {
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static constexpr int cycles_per_line = 128;
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static constexpr int lines_per_frame = 625;
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static constexpr int cycles_per_frame = lines_per_frame * cycles_per_line;
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static constexpr int crt_cycles_multiplier = 8;
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static constexpr int crt_cycles_per_line = crt_cycles_multiplier * cycles_per_line;
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constexpr int cycles_per_line = 128;
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constexpr int lines_per_frame = 625;
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constexpr int cycles_per_frame = lines_per_frame * cycles_per_line;
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constexpr int crt_cycles_multiplier = 8;
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constexpr int crt_cycles_per_line = crt_cycles_multiplier * cycles_per_line;
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static constexpr int field_divider_line = 312; // i.e. the line, simultaneous with which, the first field's sync ends. So if
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// the first line with pixels in field 1 is the 20th in the frame, the first line
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// with pixels in field 2 will be 20+field_divider_line
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static constexpr int first_graphics_line = 31;
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static constexpr int first_graphics_cycle = 33;
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constexpr int field_divider_line = 312; // i.e. the line, simultaneous with which, the first field's sync ends. So if
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// the first line with pixels in field 1 is the 20th in the frame, the first line
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// with pixels in field 2 will be 20+field_divider_line
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constexpr int first_graphics_line = 31;
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constexpr int first_graphics_cycle = 33;
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static constexpr int display_end_interrupt_line = 256;
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constexpr int display_end_interrupt_line = 256;
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static constexpr int real_time_clock_interrupt_1 = 16704;
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static constexpr int real_time_clock_interrupt_2 = 56704;
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static constexpr int display_end_interrupt_1 = (first_graphics_line + display_end_interrupt_line)*cycles_per_line;
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static constexpr int display_end_interrupt_2 = (first_graphics_line + field_divider_line + display_end_interrupt_line)*cycles_per_line;
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constexpr int real_time_clock_interrupt_1 = 16704;
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constexpr int real_time_clock_interrupt_2 = 56704;
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constexpr int display_end_interrupt_1 = (first_graphics_line + display_end_interrupt_line)*cycles_per_line;
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constexpr int display_end_interrupt_2 = (first_graphics_line + field_divider_line + display_end_interrupt_line)*cycles_per_line;
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}
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// MARK: - Lifecycle
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@ -224,7 +224,7 @@ template <Analyser::Static::Oric::Target::DiskInterface disk_interface> class Co
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tape_player_.set_delegate(this);
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Memory::Fuzz(ram_, sizeof(ram_));
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if(disk_interface == Analyser::Static::Oric::Target::DiskInterface::Pravetz) {
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if constexpr (disk_interface == Analyser::Static::Oric::Target::DiskInterface::Pravetz) {
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diskii_.set_clocking_hint_observer(this);
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}
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@ -630,7 +630,7 @@ template <Analyser::Static::Oric::Target::DiskInterface disk_interface> class Co
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// Helper to discern current IRQ state
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inline void set_interrupt_line() {
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bool irq_line = via_.get_interrupt_line();
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if(disk_interface == Analyser::Static::Oric::Target::DiskInterface::Microdisc)
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if constexpr (disk_interface == Analyser::Static::Oric::Target::DiskInterface::Microdisc)
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irq_line |= microdisc_.get_interrupt_request_line();
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m6502_.set_irq_line(irq_line);
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}
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@ -86,7 +86,7 @@ template<bool is_zx81> class ConcreteMachine:
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rom_ = std::move(*roms[0]);
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rom_.resize(use_zx81_rom ? 8192 : 4096);
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if(is_zx81) {
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if constexpr (is_zx81) {
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tape_trap_address_ = 0x37c;
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tape_return_address_ = 0x380;
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vsync_start_ = HalfCycles(32);
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@ -158,7 +158,7 @@ template<bool is_zx81> class ConcreteMachine:
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video_.run_for(cycle.length);
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}
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if(is_zx81) horizontal_counter_ %= HalfCycles(Cycles(207));
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if constexpr (is_zx81) horizontal_counter_ %= HalfCycles(Cycles(207));
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if(!tape_advance_delay_) {
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tape_player_.run_for(cycle.length);
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} else {
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@ -185,7 +185,7 @@ template<bool is_zx81> class ConcreteMachine:
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if(!(address & 1)) nmi_is_enabled_ = is_zx81;
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// The below emulates the ZonX AY expansion device.
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if(is_zx81) {
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if constexpr (is_zx81) {
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if((address&0xef) == 0xcf) {
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ay_set_register(*cycle.value);
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} else if((address&0xef) == 0x0f) {
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@ -209,7 +209,7 @@ template<bool is_zx81> class ConcreteMachine:
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}
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// The below emulates the ZonX AY expansion device.
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if(is_zx81) {
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if constexpr (is_zx81) {
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if((address&0xef) == 0xcf) {
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value &= ay_read_data();
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}
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@ -308,7 +308,7 @@ template<bool is_zx81> class ConcreteMachine:
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forceinline void flush() {
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video_.flush();
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if(is_zx81) {
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if constexpr (is_zx81) {
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update_audio();
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audio_queue_.perform();
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}
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@ -67,7 +67,7 @@
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</Testables>
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</TestAction>
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<LaunchAction
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buildConfiguration = "Debug"
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buildConfiguration = "Release"
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selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
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selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
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enableASanStackUseAfterReturn = "YES"
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@ -21,7 +21,7 @@ namespace SCSI {
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typedef int BusState;
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static constexpr BusState DefaultBusState = 0;
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constexpr BusState DefaultBusState = 0;
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/*!
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SCSI bus state is encoded entirely within an int.
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