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Added JP and JR tests.
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@ -863,4 +863,97 @@ class Z80MachineCycleTests: XCTestCase {
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]
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)
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}
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// JP nn
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func testJPnn() {
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test(
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program: [0xc3, 0x00, 0x80],
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busCycles: [
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MachineCycle(operation: .readOpcode, length: 4),
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MachineCycle(operation: .read, length: 3),
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MachineCycle(operation: .read, length: 3),
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]
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)
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}
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// JP cc, nn
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func testJPccnn() {
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test(
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program: [
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0x37, // SCF
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0xd2, 0x00, 0x80, // JP NC, 0x8000
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0xda, 0x00, 0x80, // JP C, 0x8000
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],
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busCycles: [
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MachineCycle(operation: .readOpcode, length: 4),
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MachineCycle(operation: .readOpcode, length: 4),
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MachineCycle(operation: .read, length: 3),
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MachineCycle(operation: .read, length: 3),
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MachineCycle(operation: .readOpcode, length: 4),
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MachineCycle(operation: .read, length: 3),
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MachineCycle(operation: .read, length: 3),
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]
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)
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}
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// JR e
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func testJRe() {
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test(
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program: [0x18, 0x80],
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busCycles: [
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MachineCycle(operation: .readOpcode, length: 4),
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MachineCycle(operation: .read, length: 3),
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MachineCycle(operation: .internalOperation, length: 5),
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MachineCycle(operation: .readOpcode, length: 4),
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]
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)
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}
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// JR cc, e
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func testJRcce() {
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test(
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program: [
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0x37, // SCF
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0x30, 0x80, // JR NC, 0x8000
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0x38, 0x80, // JR C, 0x8000
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],
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busCycles: [
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MachineCycle(operation: .readOpcode, length: 4),
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MachineCycle(operation: .readOpcode, length: 4),
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MachineCycle(operation: .read, length: 3),
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MachineCycle(operation: .readOpcode, length: 4),
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MachineCycle(operation: .read, length: 3),
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MachineCycle(operation: .internalOperation, length: 5),
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MachineCycle(operation: .readOpcode, length: 4),
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]
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)
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}
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// JP (HL)
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func testJPHL() {
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test(
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program: [0xe9],
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busCycles: [
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MachineCycle(operation: .readOpcode, length: 4),
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MachineCycle(operation: .readOpcode, length: 4),
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]
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)
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}
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// JP (IX)
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func testJPIX() {
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test(
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program: [0xdd, 0xe9],
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busCycles: [
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MachineCycle(operation: .readOpcode, length: 4),
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MachineCycle(operation: .readOpcode, length: 4),
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MachineCycle(operation: .readOpcode, length: 4),
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]
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)
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}
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}
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