mirror of
https://github.com/Zelda64Recomp/Zelda64Recomp.git
synced 2025-10-30 08:03:03 +00:00
0fdfc5f7fe
Switched to a makefile + clang build system Now builds as a library by default Removed SDL2 dependency Changed RT64 integration to use zilmar spec in order to pass a window handle Proper unaligned loads and stores implementation
112 lines
3.2 KiB
C++
112 lines
3.2 KiB
C++
#include "../portultra/multilibultra.hpp"
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#include "recomp.h"
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static Multilibultra::input_callbacks_t input_callbacks;
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void Multilibultra::set_input_callbacks(const input_callbacks_t* callbacks) {
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if (callbacks != nullptr) {
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input_callbacks = *callbacks;
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}
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}
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static int max_controllers = 0;
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extern "C" void osContInit_recomp(uint8_t* rdram, recomp_context* ctx) {
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gpr bitpattern = ctx->r5;
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gpr status = ctx->r6;
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// Set bit 0 to indicate that controller 0 is present
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MEM_B(0, bitpattern) = 0x01;
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// Mark controller 0 as present
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MEM_H(0, status) = 0x0005; // type: CONT_TYPE_NORMAL (from joybus)
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MEM_B(2, status) = 0x00; // status: 0 (from joybus)
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MEM_B(3, status) = 0x00; // errno: 0 (from libultra)
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max_controllers = 4;
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// Mark controllers 1-3 as not connected
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for (size_t controller = 1; controller < max_controllers; controller++) {
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// Libultra doesn't write status or type for absent controllers
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MEM_B(4 * controller + 3, status) = 0x80 >> 4; // errno: CONT_NO_RESPONSE_ERROR >> 4
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}
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ctx->r2 = 0;
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}
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extern "C" void osContStartReadData_recomp(uint8_t* rdram, recomp_context* ctx) {
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Multilibultra::send_si_message();
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}
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struct OSContPad {
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u16 button;
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s8 stick_x; /* -80 <= stick_x <= 80 */
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s8 stick_y; /* -80 <= stick_y <= 80 */
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u8 errno_;
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};
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extern "C" void osContGetReadData_recomp(uint8_t* rdram, recomp_context* ctx) {
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int32_t pad = (int32_t)ctx->r4;
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uint16_t buttons = 0;
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float x = 0.0f;
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float y = 0.0f;
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if (input_callbacks.get_input) {
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input_callbacks.get_input(&buttons, &x, &y);
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}
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if (max_controllers > 0) {
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// button
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MEM_H(0, pad) = buttons;
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// stick_x
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MEM_B(2, pad) = (int8_t)(127 * x);
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// stick_y
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MEM_B(3, pad) = (int8_t)(127 * y);
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// errno
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MEM_B(4, pad) = 0;
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}
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for (int controller = 1; controller < max_controllers; controller++) {
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MEM_B(6 * controller + 4, pad) = 0x80 >> 4; // errno: CONT_NO_RESPONSE_ERROR >> 4
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}
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}
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extern "C" void osContStartQuery_recomp(uint8_t * rdram, recomp_context * ctx) {
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Multilibultra::send_si_message();
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}
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extern "C" void osContGetQuery_recomp(uint8_t * rdram, recomp_context * ctx) {
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gpr status = ctx->r4;
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// Mark controller 0 as present
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MEM_H(0, status) = 0x0005; // type: CONT_TYPE_NORMAL (from joybus)
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MEM_B(2, status) = 0x00; // status: 0 (from joybus)
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MEM_B(3, status) = 0x00; // errno: 0 (from libultra)
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// Mark controllers 1-3 as not connected
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for (size_t controller = 1; controller < max_controllers; controller++) {
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// Libultra doesn't write status or type for absent controllers
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MEM_B(4 * controller + 3, status) = 0x80 >> 4; // errno: CONT_NO_RESPONSE_ERROR >> 4
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}
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}
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extern "C" void osContSetCh_recomp(uint8_t* rdram, recomp_context* ctx) {
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max_controllers = std::min((unsigned int)ctx->r4, 4u);
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ctx->r2 = 0;
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}
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extern "C" void __osMotorAccess_recomp(uint8_t* rdram, recomp_context* ctx) {
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}
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extern "C" void osMotorInit_recomp(uint8_t* rdram, recomp_context* ctx) {
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;
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}
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extern "C" void osMotorStart_recomp(uint8_t* rdram, recomp_context* ctx) {
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;
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}
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extern "C" void osMotorStop_recomp(uint8_t* rdram, recomp_context* ctx) {
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;
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}
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