mirror of
https://github.com/TomHarte/CLK.git
synced 2024-09-29 16:55:59 +00:00
Discovered legitimate uses of the jam opcode so reinstated it. Corrected illegitimate uses.
This commit is contained in:
Thomas Harte
parent
36076b7ea5
commit
3ca51bedc6
@ -9,9 +9,10 @@
|
||||
import Foundation
|
||||
import XCTest
|
||||
|
||||
class MOS6502TimingTests: XCTestCase, CSTestMachine6502JamHandler {
|
||||
class MOS6502TimingTests: XCTestCase, CSTestMachineTrapHandler {
|
||||
|
||||
fileprivate var endTime: UInt32 = 0
|
||||
private var endTime: UInt32 = 0
|
||||
private let machine = CSTestMachine6502()
|
||||
|
||||
func testImplied() {
|
||||
let code: [UInt8] = [
|
||||
@ -20,7 +21,7 @@ class MOS6502TimingTests: XCTestCase, CSTestMachine6502JamHandler {
|
||||
0xca, // [2] DEX
|
||||
0x18, // [2] CLC
|
||||
0x2a, // [2] ROL A
|
||||
CSTestMachine6502JamOpcode]
|
||||
]
|
||||
self.runTest(code, expectedRunLength: 10)
|
||||
}
|
||||
|
||||
@ -37,7 +38,7 @@ class MOS6502TimingTests: XCTestCase, CSTestMachine6502JamHandler {
|
||||
0xa1, 0x44, // [6] LDA ($44, x)
|
||||
0xb1, 0x00, // [5] LDA ($00), y (no wrap)
|
||||
0xb1, 0x02, // [6] LDA ($01), y (wrap)
|
||||
CSTestMachine6502JamOpcode]
|
||||
]
|
||||
self.runTest(code, expectedRunLength: 48)
|
||||
}
|
||||
|
||||
@ -45,7 +46,7 @@ class MOS6502TimingTests: XCTestCase, CSTestMachine6502JamHandler {
|
||||
let code: [UInt8] = [
|
||||
0x24, 0x2a, // [3] BIT $2a
|
||||
0x2c, 0x2a, 0x2b, // [4] BIT $2b2a
|
||||
CSTestMachine6502JamOpcode]
|
||||
]
|
||||
self.runTest(code, expectedRunLength: 7)
|
||||
}
|
||||
|
||||
@ -61,7 +62,7 @@ class MOS6502TimingTests: XCTestCase, CSTestMachine6502JamHandler {
|
||||
0x81, 0x44, // [6] STA ($44, x)
|
||||
0x91, 0x00, // [6] STA ($00), y (no wrap)
|
||||
0x91, 0x02, // [6] STA ($01), y (wrap)
|
||||
CSTestMachine6502JamOpcode]
|
||||
]
|
||||
self.runTest(code, expectedRunLength: 49)
|
||||
}
|
||||
|
||||
@ -72,14 +73,14 @@ class MOS6502TimingTests: XCTestCase, CSTestMachine6502JamHandler {
|
||||
0xee, 0x00, 0x00, // [6] INC $0000
|
||||
0xfe, 0x00, 0x00, // [7] INC $0000, x (no wrap)
|
||||
0xfe, 0x02, 0x00, // [7] INC $0002, x (wrap)
|
||||
CSTestMachine6502JamOpcode]
|
||||
]
|
||||
self.runTest(code, expectedRunLength: 31)
|
||||
}
|
||||
|
||||
func testJSR() {
|
||||
let code: [UInt8] = [
|
||||
0x20, 0x04, 0x02, // [6] JSR $0204
|
||||
CSTestMachine6502JamOpcode,
|
||||
0x00,
|
||||
0x60, // [6] RTS
|
||||
]
|
||||
self.runTest(code, expectedRunLength: 12)
|
||||
@ -90,8 +91,7 @@ class MOS6502TimingTests: XCTestCase, CSTestMachine6502JamHandler {
|
||||
0x6c, 0x04, 0x00, // [5] JMP ($0004)
|
||||
0x00, 0x00, 0x00, 0x00, 0x00,
|
||||
0x4c, 0x0b, 0x02, // [3] JMP 020b
|
||||
CSTestMachine6502JamOpcode,
|
||||
]
|
||||
]
|
||||
self.runTest(code, expectedRunLength: 8)
|
||||
}
|
||||
|
||||
@ -100,8 +100,7 @@ class MOS6502TimingTests: XCTestCase, CSTestMachine6502JamHandler {
|
||||
0x48, // [3] PHA
|
||||
0x48, // [3] PHA
|
||||
0x68, // [4] PLA
|
||||
CSTestMachine6502JamOpcode,
|
||||
]
|
||||
]
|
||||
self.runTest(code, expectedRunLength: 10)
|
||||
}
|
||||
|
||||
@ -128,7 +127,7 @@ class MOS6502TimingTests: XCTestCase, CSTestMachine6502JamHandler {
|
||||
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
||||
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
||||
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
||||
CSTestMachine6502JamOpcode]
|
||||
]
|
||||
self.runTest(code, expectedRunLength: 14)
|
||||
}
|
||||
|
||||
@ -136,7 +135,7 @@ class MOS6502TimingTests: XCTestCase, CSTestMachine6502JamHandler {
|
||||
let code: [UInt8] = [
|
||||
0x8d, 0x08, 0x00, // [4] STA $0008
|
||||
0xc6, 0xb4, // [5] DEC $B4
|
||||
CSTestMachine6502JamOpcode]
|
||||
]
|
||||
self.runTest(code, expectedRunLength: 9)
|
||||
}
|
||||
|
||||
@ -144,14 +143,14 @@ class MOS6502TimingTests: XCTestCase, CSTestMachine6502JamHandler {
|
||||
let code: [UInt8] = [
|
||||
0x16, 0x16, // [6] ASL $16, x
|
||||
0x46, 0x46, // [5] LSR $46
|
||||
CSTestMachine6502JamOpcode]
|
||||
]
|
||||
self.runTest(code, expectedRunLength: 11)
|
||||
}
|
||||
|
||||
func testSnippet3() {
|
||||
let code: [UInt8] = [
|
||||
0x20, 0x04, 0x02, // [6] JSR $0204
|
||||
CSTestMachine6502JamOpcode,
|
||||
0x00,
|
||||
0x86, 0x09, // [3] STX $09
|
||||
0x86, 0x09, // [3] STX $09
|
||||
0x85, 0x09, // [3] STA $09
|
||||
@ -171,7 +170,7 @@ class MOS6502TimingTests: XCTestCase, CSTestMachine6502JamHandler {
|
||||
0x86, 0x09, // [3] STX $09
|
||||
0x87, 0x09, // [3] SAX $09
|
||||
0x60, // [6] RTS
|
||||
CSTestMachine6502JamOpcode]
|
||||
]
|
||||
self.runTest(code, expectedRunLength: 66)
|
||||
}
|
||||
|
||||
@ -191,17 +190,16 @@ class MOS6502TimingTests: XCTestCase, CSTestMachine6502JamHandler {
|
||||
0xd4, 0x00, // [4] NOP zpg, x
|
||||
0xe2, 0x00, // [2] NOP #
|
||||
0xf4, 0x00, // [4] NOP zpg, x
|
||||
CSTestMachine6502JamOpcode]
|
||||
]
|
||||
self.runTest(code, expectedRunLength: 43)
|
||||
}
|
||||
|
||||
func runTest(_ code: [UInt8], expectedRunLength: UInt32) {
|
||||
let machine = CSTestMachine6502()
|
||||
|
||||
machine.jamHandler = self
|
||||
machine.trapHandler = self
|
||||
|
||||
let immediateCode = Data(bytes: UnsafePointer<UInt8>(code), count: code.count)
|
||||
machine.setData(immediateCode, atAddress: 0x200)
|
||||
machine.addTrapAddress(UInt16(0x200 + code.count))
|
||||
machine.setValue(0x00, forAddress: 0x0000)
|
||||
machine.setValue(0x00, forAddress: 0x0001)
|
||||
machine.setValue(0xff, forAddress: 0x0002)
|
||||
@ -220,7 +218,7 @@ class MOS6502TimingTests: XCTestCase, CSTestMachine6502JamHandler {
|
||||
XCTAssert(self.endTime == expectedRunLength, "Took \(self.endTime) cycles to perform rather than \(expectedRunLength)")
|
||||
}
|
||||
|
||||
func testMachine(_ machine: CSTestMachine6502!, didJamAtAddress address: UInt16) {
|
||||
func testMachine(_ testMachine: CSTestMachine, didTrapAtAddress address: UInt16) {
|
||||
if self.endTime == 0 {
|
||||
self.endTime = machine.timestamp - 9
|
||||
}
|
||||
|
||||
@ -9,13 +9,13 @@
|
||||
import Foundation
|
||||
import XCTest
|
||||
|
||||
class BCDTest: XCTestCase, CSTestMachine6502JamHandler {
|
||||
class BCDTest: XCTestCase, CSTestMachineTrapHandler {
|
||||
|
||||
func testBCD() {
|
||||
if let filename = Bundle(for: type(of: self)).path(forResource: "BCDTEST_beeb", ofType: nil) {
|
||||
if let bcdTest = try? Data(contentsOf: URL(fileURLWithPath: filename)) {
|
||||
let machine = CSTestMachine6502()
|
||||
machine.jamHandler = self
|
||||
machine.trapHandler = self
|
||||
|
||||
machine.setData(bcdTest, atAddress: 0x2900)
|
||||
|
||||
@ -29,8 +29,8 @@ class BCDTest: XCTestCase, CSTestMachine6502JamHandler {
|
||||
|
||||
machine.setValue(0x200, for: .programCounter)
|
||||
|
||||
machine.setValue(CSTestMachine6502JamOpcode, forAddress:0xffee) // OSWRCH
|
||||
machine.setValue(CSTestMachine6502JamOpcode, forAddress:0xffff) // end of test
|
||||
machine.addTrapAddress(0xffee) // OSWRCH
|
||||
machine.addTrapAddress(0xffff) // end of test
|
||||
|
||||
while(machine.value(for: .programCounter) != 0x203) {
|
||||
machine.runForNumber(ofCycles: 1000)
|
||||
@ -41,14 +41,15 @@ class BCDTest: XCTestCase, CSTestMachine6502JamHandler {
|
||||
}
|
||||
|
||||
fileprivate var output: String = ""
|
||||
func testMachine(_ machine: CSTestMachine6502!, didJamAtAddress address: UInt16) {
|
||||
func testMachine(_ testMachine: CSTestMachine, didTrapAtAddress address: UInt16) {
|
||||
let machine6502 = testMachine as! CSTestMachine6502
|
||||
|
||||
switch address {
|
||||
case 0xffee:
|
||||
let character = machine.value(for: .A)
|
||||
let character = machine6502.value(for: .A)
|
||||
output.append(Character(UnicodeScalar(character)!))
|
||||
|
||||
machine.returnFromSubroutine()
|
||||
machine6502.returnFromSubroutine()
|
||||
|
||||
default:
|
||||
let hexAddress = String(format:"%04x", address)
|
||||
|
||||
@ -19,6 +19,8 @@ typedef NS_ENUM(NSInteger, CSTestMachine6502Register) {
|
||||
CSTestMachine6502RegisterY,
|
||||
};
|
||||
|
||||
extern const uint8_t CSTestMachine6502JamOpcode;
|
||||
|
||||
@interface CSTestMachine6502 : CSTestMachine
|
||||
|
||||
- (void)setData:(NSData *)data atAddress:(uint16_t)startAddress;
|
||||
|
||||
@ -11,6 +11,8 @@
|
||||
#include "6502AllRAM.hpp"
|
||||
#import "TestMachine+ForSubclassEyesOnly.h"
|
||||
|
||||
const uint8_t CSTestMachine6502JamOpcode = CPU::MOS6502::JamOpcode;
|
||||
|
||||
#pragma mark - Register enum map
|
||||
|
||||
static CPU::MOS6502::Register registerForRegister(CSTestMachine6502Register reg) {
|
||||
|
||||
Loading…
Reference in New Issue
Block a user