88 lines
1.7 KiB
Go
88 lines
1.7 KiB
Go
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package main
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import (
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"testing"
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)
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func TestLDA(t *testing.T) {
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var s state
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opLDAimm(&s, []uint8{0xA9, 0x42})
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if s.registers.getA() != 0x42 {
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t.Error("Error in LDA #")
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}
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opLDYimm(&s, []uint8{0xA0, 0xFE})
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if s.registers.getY() != 0xFE {
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t.Error("Error in LDY #")
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}
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s.memory[0x38] = 0x87
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opLDAzpg(&s, []uint8{0xA5, 0x38})
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if s.registers.getA() != 0x87 {
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t.Error("Error in LDA zpg")
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}
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s.memory[0x57] = 0x90
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s.registers.setX(0x10)
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opLDAzpgX(&s, []uint8{0xB5, 0x47})
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if s.registers.getA() != 0x90 {
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t.Error("Error in LDA zpgX")
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}
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s.memory[0x38] = 0x12
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s.registers.setX(0x89)
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opLDAzpgX(&s, []uint8{0xB5, 0xAF})
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if s.registers.getA() != 0x12 {
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t.Error("Error in LDA zpgX with sero page overflow")
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}
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s.memory[0x1234] = 0x67
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opLDAabs(&s, []uint8{0xAD, 0x34, 0x12})
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if s.registers.getA() != 0x67 {
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t.Error("Error in LDA abs")
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}
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}
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func TestLDA2(t *testing.T) {
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var s state
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executeLine(&s, []uint8{0xA9, 0x42})
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if s.registers.getA() != 0x42 {
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t.Error("Error in LDA #")
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}
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executeLine(&s, []uint8{0xA0, 0xFE})
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if s.registers.getY() != 0xFE {
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t.Error("Error in LDY #")
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}
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s.memory[0x38] = 0x87
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executeLine(&s, []uint8{0xA5, 0x38})
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if s.registers.getA() != 0x87 {
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t.Error("Error in LDA zpg")
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}
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s.memory[0x57] = 0x90
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s.registers.setX(0x10)
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executeLine(&s, []uint8{0xB5, 0x47})
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if s.registers.getA() != 0x90 {
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t.Error("Error in LDA zpgX")
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}
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s.memory[0x38] = 0x12
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s.registers.setX(0x89)
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executeLine(&s, []uint8{0xB5, 0xAF})
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if s.registers.getA() != 0x12 {
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t.Error("Error in LDA zpgX with sero page overflow")
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}
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s.memory[0x1234] = 0x67
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executeLine(&s, []uint8{0xAD, 0x34, 0x12})
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if s.registers.getA() != 0x67 {
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t.Error("Error in LDA abs")
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}
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}
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