Native CPC scanlines, Amstrad monitor shader presets, lightgun fix, tests and CI - #1

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rtissera wants to merge 11 commits into

native-geometry-and-monitor-presets

Commits on Sep 19, 2026

shaders: add Amstrad monitor presets (CTM644, GT65, CM14)

rtissera
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claude
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be1007e
libretro: emit native CPC scanlines (800x280) instead of blank-row doubling

rtissera
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claude
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c1f15e7
libretro: model the mono monitors as an analogue sum, and the GT65 as P31

rtissera
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claude
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5ce23e9
libretro: demote per-frame mouse logging to DEBUG

rtissera
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claude
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23834e6
libretro: fix lightgun Y parity, with tests to hold it

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claude
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b01ecf4
ci: build and test the core on Ubuntu and Windows

rtissera
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claude
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b7ec04b
libretro: build on MSVC, which has no unistd.h

rtissera
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claude
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e021c37
ci: build for arm64 as well as x86_64, on both Linux and Windows

rtissera
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claude
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7289b68
ci: add macOS on both architectures

rtissera
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9a64627
ci: cross-build and qemu-test armv7 and riscv64

rtissera
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claude
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bc879b4
chore(cpccore): track upstream through the cartridge bank fix

rtissera
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claude
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c3ed098