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Permits a delay on DE propagation back to the CPU. Plus tests.

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Currently set at 28 cycles, but I don't know.
This commit is contained in:
Thomas Harte 2019-11-18 22:12:24 -05:00
parent b98703bd5b
commit ade8df7217
4 changed files with 35 additions and 21 deletions
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44
Machines/Atari/ST/Video.cpp
View File

@ -87,6 +87,8 @@ struct Checker {
} checker;
#endif
const int de_delay_period = 28*2;
}
Video::Video() :
@ -117,7 +119,7 @@ void Video::run_for(HalfCycles duration) {
int duration_remaining = integer_duration;
while(erase_iterator != pending_events_.end()) {
erase_iterator->delay -= duration_remaining;
if(erase_iterator->delay < 0) {
if(erase_iterator->delay <= 0) {
duration_remaining = -erase_iterator->delay;
erase_iterator->apply(public_state_);
++erase_iterator;
@ -249,7 +251,7 @@ void Video::run_for(HalfCycles duration) {
// Chuck any deferred output changes into the queue.
const bool next_display_enable = vertical_.enable && horizontal_.enable;
if(display_enable != next_display_enable) {
add_event(28*2 - integer_duration, next_display_enable ? Event::Type::SetDisplayEnable : Event::Type::ResetDisplayEnable);
add_event(de_delay_period - integer_duration, next_display_enable ? Event::Type::SetDisplayEnable : Event::Type::ResetDisplayEnable);
}
}
}
@ -278,7 +280,7 @@ bool Video::vsync() {
}
bool Video::display_enabled() {
return horizontal_.enable && vertical_.enable;
return public_state_.display_enable;
}
HalfCycles Video::get_next_sequence_point() {
@ -300,26 +302,34 @@ HalfCycles Video::get_next_sequence_point() {
const auto horizontal_timings = horizontal_parameters(field_frequency_);
// If this is a vertically-enabled line, check for the display enable boundaries.
int event_time = line_length_; // Worst case: report end of line.
// If any events are pending, give the first of those the chance to be next.
if(!pending_events_.empty()) {
event_time = std::min(event_time, x_ + event_time);
}
// If this is a vertically-enabled line, check for the display enable boundaries, + the standard delay.
if(vertical_.enable) {
/*
TODO: what if there's a sync event scheduled for this line? That can happen with the
lower border open.
*/
if(x_ < horizontal_timings.set_enable) return HalfCycles(horizontal_timings.set_enable - x_);
if(x_ < horizontal_timings.reset_enable) return HalfCycles(horizontal_timings.reset_enable - x_);
} else {
if(vertical_.sync_schedule != VerticalState::SyncSchedule::None && (x_ < 30*2)) {
return HalfCycles(30*2 - x_);
if(x_ < horizontal_timings.set_enable + de_delay_period) {
event_time = std::min(event_time, horizontal_timings.set_enable + de_delay_period);
}
else if(x_ < horizontal_timings.reset_enable + de_delay_period) {
event_time = std::min(event_time, horizontal_timings.reset_enable + de_delay_period);
}
}
// Test for beginning and end of sync.
if(x_ < line_length_ - 50) return HalfCycles(line_length_ - 50 - x_);
if(x_ < line_length_ - 10) return HalfCycles(line_length_ - 10 - x_);
// If a vertical sync event is scheduled, test for that.
if(vertical_.sync_schedule != VerticalState::SyncSchedule::None && (x_ < 30*2)) {
event_time = std::min(event_time, 30*2);
}
// Test for beginning and end of horizontal sync.
if(x_ < line_length_ - 50*2) event_time = std::min(line_length_ - 50*2, event_time);
else if(x_ < line_length_ - 10*2) event_time = std::min(line_length_ - 10*2, event_time);
// It wasn't any of those, so as a temporary expedient, just supply end of line.
return HalfCycles(line_length_ - x_);
return HalfCycles(event_time - x_);
}
// MARK: - IO dispatch

4
OSBindings/Mac/Clock Signal.xcodeproj/project.pbxproj
View File

@ -709,6 +709,7 @@
4BDDBA991EF3451200347E61 /* Z80MachineCycleTests.swift in Sources */ = {isa = PBXBuildFile; fileRef = 4BDDBA981EF3451200347E61 /* Z80MachineCycleTests.swift */; };
4BE0A3EE237BB170002AB46F /* ST.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 4BE0A3EC237BB170002AB46F /* ST.cpp */; };
4BE0A3EF237BB170002AB46F /* ST.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 4BE0A3EC237BB170002AB46F /* ST.cpp */; };
4BE34438238389E10058E78F /* AtariSTVideoTests.mm in Sources */ = {isa = PBXBuildFile; fileRef = 4BE34437238389E10058E78F /* AtariSTVideoTests.mm */; };
4BE76CF922641ED400ACD6FA /* QLTests.mm in Sources */ = {isa = PBXBuildFile; fileRef = 4BE76CF822641ED300ACD6FA /* QLTests.mm */; };
4BE90FFD22D5864800FB464D /* MacintoshVideoTests.mm in Sources */ = {isa = PBXBuildFile; fileRef = 4BE90FFC22D5864800FB464D /* MacintoshVideoTests.mm */; };
4BE9A6B11EDE293000CBCB47 /* zexdoc.com in Resources */ = {isa = PBXBuildFile; fileRef = 4BE9A6B01EDE293000CBCB47 /* zexdoc.com */; };
@ -1582,6 +1583,7 @@
4BE32314205328FF006EF799 /* Target.hpp */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.cpp.h; path = Target.hpp; sourceTree = "<group>"; };
4BE3231520532AA7006EF799 /* Target.hpp */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.cpp.h; path = Target.hpp; sourceTree = "<group>"; };
4BE3231620532BED006EF799 /* Target.hpp */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.cpp.h; path = Target.hpp; sourceTree = "<group>"; };
4BE34437238389E10058E78F /* AtariSTVideoTests.mm */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.objcpp; path = AtariSTVideoTests.mm; sourceTree = "<group>"; };
4BE76CF822641ED300ACD6FA /* QLTests.mm */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.objcpp; path = QLTests.mm; sourceTree = "<group>"; };
4BE845201F2FF7F100A5EA22 /* CRTC6845.hpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.h; name = CRTC6845.hpp; path = 6845/CRTC6845.hpp; sourceTree = "<group>"; };
4BE90FFC22D5864800FB464D /* MacintoshVideoTests.mm */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.cpp.objcpp; path = MacintoshVideoTests.mm; sourceTree = "<group>"; };
@ -3138,6 +3140,7 @@
4BB73EB51B587A5100552FC2 /* Clock SignalTests */ = {
isa = PBXGroup;
children = (
4BE34437238389E10058E78F /* AtariSTVideoTests.mm */,
4B85322922778E4200F26553 /* Comparative68000.hpp */,
4B90467222C6FA31000E2074 /* TestRunner68000.hpp */,
4B97ADC722C6FD9B00A22A41 /* 68000ArithmeticTests.mm */,
@ -4492,6 +4495,7 @@
4BD388882239E198002D14B5 /* 68000Tests.mm in Sources */,
4BA91E1D216D85BA00F79557 /* MasterSystemVDPTests.mm in Sources */,
4B98A0611FFADCDE00ADF63B /* MSXStaticAnalyserTests.mm in Sources */,
4BE34438238389E10058E78F /* AtariSTVideoTests.mm in Sources */,
4BEF6AAC1D35D1C400E73575 /* DPLLTests.swift in Sources */,
4BE76CF922641ED400ACD6FA /* QLTests.mm in Sources */,
4B3BA0CF1D318B44005DD7A7 /* MOS6522Bridge.mm in Sources */,

2
OSBindings/Mac/Clock Signal.xcodeproj/xcshareddata/xcschemes/Clock Signal.xcscheme
View File

@ -67,7 +67,7 @@
</Testables>
</TestAction>
<LaunchAction
buildConfiguration = "Release"
buildConfiguration = "Debug"
selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
enableASanStackUseAfterReturn = "YES"

6
OSBindings/Mac/Clock SignalTests/AtariStaticAnalyserTests.mm
View File

@ -10,9 +10,9 @@
#import <CommonCrypto/CommonDigest.h>
#include "../../../Analyser/Static/StaticAnalyser.hpp"
#include "../../../Analyser/Static/Atari/Target.hpp"
#include "../../../Analyser/Static/Atari2600/Target.hpp"
using PagingModel = Analyser::Static::Atari::Target::PagingModel;
using PagingModel = Analyser::Static::Atari2600::Target::PagingModel;
@interface AtariROMRecord : NSObject
@property(nonatomic, readonly) PagingModel pagingModel;
@ -601,7 +601,7 @@ static NSDictionary<NSString *, AtariROMRecord *> *romRecordsBySHA1 = @{
if(!romRecord) continue;
// assert equality
Analyser::Static::Atari::Target *atari_target = dynamic_cast<Analyser::Static::Atari::Target *>(targets.front().get());
auto *const atari_target = dynamic_cast<Analyser::Static::Atari2600::Target *>(targets.front().get());
XCTAssert(atari_target != nullptr);
XCTAssert(atari_target->paging_model == romRecord.pagingModel, @"%@; should be %d, is %d", testFile, romRecord.pagingModel, atari_target->paging_model);
XCTAssert(atari_target->uses_superchip == romRecord.usesSuperchip, @"%@; should be %@", testFile, romRecord.usesSuperchip ? @"true" : @"false");