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🌱 A minimal programming language and compiler. git.urbach.dev/cli/q
high-performance programming-language compiler
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import ( "testing"
"git.urbach.dev/cli/q/src/x86" "git.urbach.dev/go/assert")
func TestModRM(t *testing.T) { testData := []struct{ mod, reg, rm, expected byte }{ {0b_00, 0b_111, 0b_000, 0b_00_111_000}, {0b_00, 0b_110, 0b_001, 0b_00_110_001}, {0b_00, 0b_101, 0b_010, 0b_00_101_010}, {0b_00, 0b_100, 0b_011, 0b_00_100_011}, {0b_00, 0b_011, 0b_100, 0b_00_011_100}, {0b_00, 0b_010, 0b_101, 0b_00_010_101}, {0b_00, 0b_001, 0b_110, 0b_00_001_110}, {0b_00, 0b_000, 0b_111, 0b_00_000_111}, {0b_11, 0b_111, 0b_000, 0b_11_111_000}, {0b_11, 0b_110, 0b_001, 0b_11_110_001}, {0b_11, 0b_101, 0b_010, 0b_11_101_010}, {0b_11, 0b_100, 0b_011, 0b_11_100_011}, {0b_11, 0b_011, 0b_100, 0b_11_011_100}, {0b_11, 0b_010, 0b_101, 0b_11_010_101}, {0b_11, 0b_001, 0b_110, 0b_11_001_110}, {0b_11, 0b_000, 0b_111, 0b_11_000_111}, }
for _, test := range testData { modRM := x86.ModRM(test.mod, test.reg, test.rm) assert.Equal(t, modRM, test.expected) }}