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18 lines
269 B
Text
18 lines
269 B
Text
waits for ly 141
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enables lycint
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sets lyc to 143
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enables vblank int
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interrupt enable
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on lycint:
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jumps to 0x1000
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ei
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does a bunch of nops
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reads IF
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outputs value of IF&3
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on vblankint:
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ret
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lycint_vblankintirq_1.gb should output 1
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lycint_vblankintirq_2.gb should output 0
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