mirror of
https://github.com/RetroPortingToolKit/psxrecomp
synced 2026-10-26 02:11:36 -04:00
Matthew Stanley
7ef29ad112
set_input layer=host is a default-mapped gamepad; a real one folds ls_* onto the D-pad in digital mode, the layer dropped the stick. Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
34 lines
1.9 KiB
C
34 lines
1.9 KiB
C
/* psx_stick_fold.h: the default map's digital left-stick fold onto the D-pad. */
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#include "psx_stick_fold.h"
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#include <stdio.h>
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static int failures = 0;
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#define CHECK(c) do { if (!(c)) { fprintf(stderr, "FAIL %s:%d %s\n", __FILE__, __LINE__, #c); failures++; } } while (0)
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enum { UP = 1 << 4, RIGHT = 1 << 5, DOWN = 1 << 6, LEFT = 1 << 7, CROSS = 1 << 14 };
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static const int dz = 3277; /* main.cpp kDefaultDeadzoneRaw */
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int main(void) {
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/* Centred stick: nothing pressed, other buttons untouched. */
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CHECK(psx_fold_left_stick_to_dpad(0xFFFF, 0x80, 0x80, dz) == 0xFFFF);
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CHECK(psx_fold_left_stick_to_dpad((uint16_t)~CROSS, 0x80, 0x80, dz) == (uint16_t)~CROSS);
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/* Full deflections press exactly one direction each. */
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CHECK(psx_fold_left_stick_to_dpad(0xFFFF, 0xFF, 0x80, dz) == (uint16_t)~RIGHT);
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CHECK(psx_fold_left_stick_to_dpad(0xFFFF, 0x00, 0x80, dz) == (uint16_t)~LEFT);
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CHECK(psx_fold_left_stick_to_dpad(0xFFFF, 0x80, 0x00, dz) == (uint16_t)~UP);
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CHECK(psx_fold_left_stick_to_dpad(0xFFFF, 0x80, 0xFF, dz) == (uint16_t)~DOWN);
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/* Diagonal presses both axes. */
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CHECK(psx_fold_left_stick_to_dpad(0xFFFF, 0xFF, 0x00, dz) == (uint16_t)~(RIGHT | UP));
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/* Per-axis deadzone: a strong right push with small Y drift is Right only. */
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CHECK(psx_fold_left_stick_to_dpad(0xFFFF, 0xFF, 0x80 + 12, dz) == (uint16_t)~RIGHT);
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/* Threshold: 13 steps (3328) passes 3277, 12 steps (3072) does not. */
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CHECK(psx_fold_left_stick_to_dpad(0xFFFF, 0x80 + 13, 0x80, dz) == (uint16_t)~RIGHT);
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CHECK(psx_fold_left_stick_to_dpad(0xFFFF, 0x80 + 12, 0x80, dz) == 0xFFFF);
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CHECK(psx_fold_left_stick_to_dpad(0xFFFF, 0x80 - 13, 0x80, dz) == (uint16_t)~LEFT);
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/* An already-held D-pad bit stays held. */
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CHECK(psx_fold_left_stick_to_dpad((uint16_t)~UP, 0xFF, 0x80, dz) == (uint16_t)~(UP | RIGHT));
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if (failures) return 1;
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puts("PASS psx_stick_fold");
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return 0;
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}
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