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Z80 INT Skip

Manuel Sainz de Baranda y Goñi edited this page Dec 29, 2022 · 23 revisions

Platform: ZX Spectrum
Author: Helcmanovsky, Peter
License: MIT
Links: GitHub

Version Release date Links Download
vX.27K 2022-05-17 Discord post 1, Discord post 2 sna, tap (hosted) - sna, tap (Discord post)
v3.0 2022-05-16 tar.xz (hosted)
v2.1 2022-02-19 tar.xz (hosted)
v2.0 2022-02-19 tar.xz (hosted)
v1.0 2022-02-17 tar.xz (hosted)
v1.0 (beta) 2022-02-17 Discord post tap, asm (hosted) - tap, asm (Discord post)

Description

Checks if the specific instructions/prefixes inhibit Z80 from accepting interrupt request.

It's running long blocks of the particular instruction or prefix bytes for roughly one second, then displays the amount of interrupt handler entries executed during the blocks (should be roughly 50 for non-inhibiting instruction like nop, and near zero for inhibiting instructions).

Expected results

vX.27K v3.0
v2.1 v2.0
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