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Add small performance test to compute Z80 actual speed.

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giomba 2023-10-22 11:41:16 +02:00
parent a80c52bedd
commit 1156e03305
1 changed files with 17 additions and 0 deletions
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src/performance_test.asm Normal file
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SECTION code
PUBLIC _performance_test
_performance_test:
in a,($A0)
ld de,$0100
loop:
ld a,($d000) ; 13
dec de ; 6
ld a,d ; 4
or e ; 4
jp nz,loop ; 10
jp _performance_test