mirror of
https://github.com/TomHarte/CLK.git
synced 2024-11-30 19:52:18 +00:00
104 lines
3.1 KiB
Plaintext
104 lines
3.1 KiB
Plaintext
//
|
|
// 68000ComparativeTests.cpp
|
|
// Clock SignalTests
|
|
//
|
|
// Created by Thomas Harte on 14/12/2019.
|
|
// Copyright © 2019 Thomas Harte. All rights reserved.
|
|
//
|
|
|
|
#import <XCTest/XCTest.h>
|
|
|
|
#include "../../../InstructionSets/M68k/Perform.hpp"
|
|
|
|
using namespace InstructionSet::M68k;
|
|
|
|
@interface M68000flamewingTests : XCTestCase
|
|
@end
|
|
|
|
@implementation M68000flamewingTests
|
|
|
|
- (Status)statusWithflamewingFlags:(int)flags {
|
|
Status status;
|
|
status.carry_flag = status.extend_flag = flags & 2;
|
|
status.zero_result = ~flags & 1;
|
|
status.negative_flag = 0;
|
|
status.overflow_flag = 0;
|
|
return status;
|
|
}
|
|
|
|
- (void)validate:(const uint8_t *)test source:(int)source dest:(int)dest flags:(int)flags result:(uint32_t)result status:(Status)status operation:(NSString *)operation {
|
|
const uint8_t result_flags = test[0];
|
|
const uint8_t result_value = test[1];
|
|
|
|
NSString *const testName =
|
|
[NSString stringWithFormat:@"%@ %02x, %02x [%c%c]", operation, source, dest, (flags & 2) ? 'X' : '-', (flags & 1) ? 'Z' : '-'];
|
|
XCTAssertEqual(result, uint32_t(result_value), @"Wrong value received for %@", testName);
|
|
XCTAssertEqual(status.ccr(), uint16_t(result_flags), @"Wrong status received for %@", testName);
|
|
}
|
|
|
|
- (void)testAll {
|
|
// Get the full list of available test files.
|
|
NSBundle *const bundle = [NSBundle bundleForClass:[self class]];
|
|
NSURL *const testURL = [bundle URLForResource:@"bcd-table" withExtension:@"bin" subdirectory:@"flamewing 68000 BCD tests"];
|
|
NSData *const testData = [NSData dataWithContentsOfURL:testURL];
|
|
const uint8_t *bytes = reinterpret_cast<const uint8_t *>(testData.bytes);
|
|
|
|
NullFlowController flow_controller;
|
|
|
|
// Test ABCD.
|
|
for(int source = 0; source < 256; source++) {
|
|
for(int dest = 0; dest < 256; dest++) {
|
|
for(int flags = 0; flags < 4; flags++) {
|
|
Status status = [self statusWithflamewingFlags:flags];
|
|
|
|
CPU::SlicedInt32 s, d;
|
|
s.l = source;
|
|
d.l = dest;
|
|
|
|
perform<Model::M68000, NullFlowController, Operation::ABCD>(
|
|
Preinstruction(), s, d, status, flow_controller);
|
|
|
|
[self validate:bytes source:source dest:dest flags:flags result:d.l status:status operation:@"ABCD"];
|
|
bytes += 2;
|
|
}
|
|
}
|
|
}
|
|
|
|
// Test SBCD.
|
|
for(int source = 0; source < 256; source++) {
|
|
for(int dest = 0; dest < 256; dest++) {
|
|
for(int flags = 0; flags < 4; flags++) {
|
|
Status status = [self statusWithflamewingFlags:flags];
|
|
|
|
CPU::SlicedInt32 s, d;
|
|
s.l = source;
|
|
d.l = dest;
|
|
|
|
perform<Model::M68000, NullFlowController, Operation::SBCD>(
|
|
Preinstruction(), s, d, status, flow_controller);
|
|
|
|
[self validate:bytes source:source dest:dest flags:flags result:d.l status:status operation:@"SBCD"];
|
|
bytes += 2;
|
|
}
|
|
}
|
|
}
|
|
|
|
// Test NBCD.
|
|
for(int source = 0; source < 256; source++) {
|
|
for(int flags = 0; flags < 4; flags++) {
|
|
Status status = [self statusWithflamewingFlags:flags];
|
|
|
|
CPU::SlicedInt32 s, d;
|
|
s.l = source;
|
|
|
|
perform<Model::M68000, NullFlowController, Operation::NBCD>(
|
|
Preinstruction(), s, d, status, flow_controller);
|
|
|
|
[self validate:bytes source:source dest:0 flags:flags result:s.l status:status operation:@"NBCD"];
|
|
bytes += 2;
|
|
}
|
|
}
|
|
}
|
|
|
|
@end
|