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e665f2d6e96396ddbc0ac60af01be34581741f39
kaizen/src/backend/core/mmio/PIF.cpp
CocoSimone e665f2d6e9 move controller logic to PIF
2023-02-19 14:54:26 +01:00

452 lines
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#include <core/mmio/PIF.hpp>
#include <core/Mem.hpp>
#include <core/registers/Registers.hpp>
#include <log.hpp>
#include <MupenMovie.hpp>
#include <SDL_keyboard.h>
namespace n64 {
static int channel = 0;
void PIF::ProcessPIFCommands(Mem& mem) {
u8 control = pifRam[63];
if(control & 1) {
channel = 0;
for(int i = 0; i < 63;) {
u8* cmd = &pifRam[i++];
u8 t = cmd[0] & 0x3f;
if(t == 0 || t == 0x3D) {
channel++;
} else if (t == 0x3E) {
break;
} else if (t == 0x3F) {
continue;
} else {
u8 r = pifRam[i++];
r |= (1 << 7);
if(r == 0xFE) {
break;
}
u8 rlen = r & 0x3F;
u8* res = &pifRam[i + t];
switch(cmd[2]) {
case 0xff:
res[0] = 0x05;
res[1] = 0x00;
res[2] = 0x01;
channel++;
break;
case 0:
res[0] = 0x05;
res[1] = 0x00;
res[2] = 0x01;
break;
case 1:
if(tas_movie_loaded()) {
controller = tas_next_inputs();
} else {
UpdateController();
}
res[0] = controller.byte1;
res[1] = controller.byte2;
res[2] = controller.joy_x;
res[3] = controller.joy_y;
break;
case 2: case 3: res[0] = 0; break;
default: Util::panic("Unimplemented PIF command {}", cmd[2]);
}
i += t + rlen;
}
}
}
if(control & 8) {
pifRam[63] &= ~8;
}
if (control & 0x30) {
pifRam[63] = 0x80;
}
}
#define GET_BUTTON(gamepad, i) SDL_GameControllerGetButton(gamepad, i)
#define GET_AXIS(gamepad, axis) SDL_GameControllerGetAxis(gamepad, axis)
void PIF::UpdateController() {
const uint8_t* state = SDL_GetKeyboardState(nullptr);
s8 xaxis = 0, yaxis = 0;
if(gamepadConnected) {
bool A = GET_BUTTON(gamepad, SDL_CONTROLLER_BUTTON_A);
bool B = GET_BUTTON(gamepad, SDL_CONTROLLER_BUTTON_X);
bool Z = GET_AXIS(gamepad, SDL_CONTROLLER_AXIS_TRIGGERLEFT) == 32767;
bool START = GET_BUTTON(gamepad, SDL_CONTROLLER_BUTTON_START);
bool DUP = GET_BUTTON(gamepad, SDL_CONTROLLER_BUTTON_DPAD_UP);
bool DDOWN = GET_BUTTON(gamepad, SDL_CONTROLLER_BUTTON_DPAD_DOWN);
bool DLEFT = GET_BUTTON(gamepad, SDL_CONTROLLER_BUTTON_DPAD_LEFT);
bool DRIGHT = GET_BUTTON(gamepad, SDL_CONTROLLER_BUTTON_DPAD_RIGHT);
bool L = GET_BUTTON(gamepad, SDL_CONTROLLER_BUTTON_LEFTSHOULDER);
bool R = GET_BUTTON(gamepad, SDL_CONTROLLER_BUTTON_RIGHTSHOULDER);
bool CUP = GET_AXIS(gamepad, SDL_CONTROLLER_AXIS_RIGHTY) <= -128;
bool CDOWN = GET_AXIS(gamepad, SDL_CONTROLLER_AXIS_RIGHTY) >= 127;
bool CLEFT = GET_AXIS(gamepad, SDL_CONTROLLER_AXIS_RIGHTX) <= -128;
bool CRIGHT = GET_AXIS(gamepad, SDL_CONTROLLER_AXIS_RIGHTX) >= 127;
controller.a = A;
controller.b = B;
controller.z = Z;
controller.start = START;
controller.dp_up = DUP;
controller.dp_down = DDOWN;
controller.dp_left = DLEFT;
controller.dp_right = DRIGHT;
controller.joy_reset = L && R && START;
controller.l = L;
controller.r = R;
controller.c_up = CUP;
controller.c_down = CDOWN;
controller.c_left = CLEFT;
controller.c_right = CRIGHT;
xaxis = (s8) std::clamp((GET_AXIS(gamepad, SDL_CONTROLLER_AXIS_LEFTX) >> 8), -86, 86);
yaxis = (s8) std::clamp(-(GET_AXIS(gamepad, SDL_CONTROLLER_AXIS_LEFTY) >> 8), -86, 86);
controller.joy_x = xaxis;
controller.joy_y = yaxis;
if (controller.joy_reset) {
controller.start = false;
controller.joy_x = 0;
controller.joy_y = 0;
}
} else {
controller.a = state[SDL_SCANCODE_X];
controller.b = state[SDL_SCANCODE_C];
controller.z = state[SDL_SCANCODE_Z];
controller.start = state[SDL_SCANCODE_RETURN];
controller.dp_up = state[SDL_SCANCODE_KP_8];
controller.dp_down = state[SDL_SCANCODE_KP_5];
controller.dp_left = state[SDL_SCANCODE_KP_4];
controller.dp_right = state[SDL_SCANCODE_KP_6];
controller.joy_reset = state[SDL_SCANCODE_RETURN] && state[SDL_SCANCODE_A] && state[SDL_SCANCODE_S];
controller.l = state[SDL_SCANCODE_A];
controller.r = state[SDL_SCANCODE_S];
controller.c_up = state[SDL_SCANCODE_I];
controller.c_down = state[SDL_SCANCODE_J];
controller.c_left = state[SDL_SCANCODE_K];
controller.c_right = state[SDL_SCANCODE_L];
if (state[SDL_SCANCODE_LEFT]) {
xaxis = -86;
} else if (state[SDL_SCANCODE_RIGHT]) {
xaxis = 86;
}
if (state[SDL_SCANCODE_DOWN]) {
yaxis = -86;
} else if (state[SDL_SCANCODE_UP]) {
yaxis = 86;
}
controller.joy_x = xaxis;
controller.joy_y = yaxis;
if (controller.joy_reset) {
controller.start = false;
controller.joy_x = 0;
controller.joy_y = 0;
}
}
}
void PIF::DoPIFHLE(Mem& mem, Registers& regs, CartInfo cartInfo) {
u32 cicType = cartInfo.cicType;
bool pal = cartInfo.isPAL;
mem.Write32(regs, PIF_RAM_REGION_START + 0x24, cicSeeds[cicType]);
switch(cicType) {
case UNKNOWN_CIC_TYPE:
Util::warn("Unknown CIC type!\n");
break;
case CIC_NUS_6101:
regs.gpr[0] = 0x0000000000000000;
regs.gpr[1] = 0x0000000000000000;
regs.gpr[2] = 0xFFFFFFFFDF6445CC;
regs.gpr[3] = 0xFFFFFFFFDF6445CC;
regs.gpr[4] = 0x00000000000045CC;
regs.gpr[5] = 0x0000000073EE317A;
regs.gpr[6] = 0xFFFFFFFFA4001F0C;
regs.gpr[7] = 0xFFFFFFFFA4001F08;
regs.gpr[8] = 0x00000000000000C0;
regs.gpr[9] = 0x0000000000000000;
regs.gpr[10] = 0x0000000000000040;
regs.gpr[11] = 0xFFFFFFFFA4000040;
regs.gpr[12] = 0xFFFFFFFFC7601FAC;
regs.gpr[13] = 0xFFFFFFFFC7601FAC;
regs.gpr[14] = 0xFFFFFFFFB48E2ED6;
regs.gpr[15] = 0xFFFFFFFFBA1A7D4B;
regs.gpr[16] = 0x0000000000000000;
regs.gpr[17] = 0x0000000000000000;
regs.gpr[18] = 0x0000000000000000;
regs.gpr[19] = 0x0000000000000000;
regs.gpr[20] = 0x0000000000000001;
regs.gpr[21] = 0x0000000000000000;
regs.gpr[23] = 0x0000000000000001;
regs.gpr[24] = 0x0000000000000002;
regs.gpr[25] = 0xFFFFFFFF905F4718;
regs.gpr[26] = 0x0000000000000000;
regs.gpr[27] = 0x0000000000000000;
regs.gpr[28] = 0x0000000000000000;
regs.gpr[29] = 0xFFFFFFFFA4001FF0;
regs.gpr[30] = 0x0000000000000000;
regs.gpr[31] = 0xFFFFFFFFA4001550;
regs.lo = 0xFFFFFFFFBA1A7D4B;
regs.hi = 0xFFFFFFFF997EC317;
break;
case CIC_NUS_7102:
regs.gpr[0] = 0x0000000000000000;
regs.gpr[1] = 0x0000000000000001;
regs.gpr[2] = 0x000000001E324416;
regs.gpr[3] = 0x000000001E324416;
regs.gpr[4] = 0x0000000000004416;
regs.gpr[5] = 0x000000000EC5D9AF;
regs.gpr[6] = 0xFFFFFFFFA4001F0C;
regs.gpr[7] = 0xFFFFFFFFA4001F08;
regs.gpr[8] = 0x00000000000000C0;
regs.gpr[9] = 0x0000000000000000;
regs.gpr[10] = 0x0000000000000040;
regs.gpr[11] = 0xFFFFFFFFA4000040;
regs.gpr[12] = 0x00000000495D3D7B;
regs.gpr[13] = 0xFFFFFFFF8B3DFA1E;
regs.gpr[14] = 0x000000004798E4D4;
regs.gpr[15] = 0xFFFFFFFFF1D30682;
regs.gpr[16] = 0x0000000000000000;
regs.gpr[17] = 0x0000000000000000;
regs.gpr[18] = 0x0000000000000000;
regs.gpr[19] = 0x0000000000000000;
regs.gpr[20] = 0x0000000000000000;
regs.gpr[21] = 0x0000000000000000;
regs.gpr[22] = 0x000000000000003F;
regs.gpr[23] = 0x0000000000000007;
regs.gpr[24] = 0x0000000000000000;
regs.gpr[25] = 0x0000000013D05CAB;
regs.gpr[26] = 0x0000000000000000;
regs.gpr[27] = 0x0000000000000000;
regs.gpr[28] = 0x0000000000000000;
regs.gpr[29] = 0xFFFFFFFFA4001FF0;
regs.gpr[30] = 0x0000000000000000;
regs.gpr[31] = 0xFFFFFFFFA4001554;
regs.lo = 0xFFFFFFFFF1D30682;
regs.hi = 0x0000000010054A98;
break;
case CIC_NUS_6102_7101:
regs.gpr[0] = 0x0000000000000000;
regs.gpr[1] = 0x0000000000000001;
regs.gpr[2] = 0x000000000EBDA536;
regs.gpr[3] = 0x000000000EBDA536;
regs.gpr[4] = 0x000000000000A536;
regs.gpr[5] = 0xFFFFFFFFC0F1D859;
regs.gpr[6] = 0xFFFFFFFFA4001F0C;
regs.gpr[7] = 0xFFFFFFFFA4001F08;
regs.gpr[8] = 0x00000000000000C0;
regs.gpr[9] = 0x0000000000000000;
regs.gpr[10] = 0x0000000000000040;
regs.gpr[11] = 0xFFFFFFFFA4000040;
regs.gpr[12] = 0xFFFFFFFFED10D0B3;
regs.gpr[13] = 0x000000001402A4CC;
regs.gpr[14] = 0x000000002DE108EA;
regs.gpr[15] = 0x000000003103E121;
regs.gpr[16] = 0x0000000000000000;
regs.gpr[17] = 0x0000000000000000;
regs.gpr[18] = 0x0000000000000000;
regs.gpr[19] = 0x0000000000000000;
regs.gpr[20] = 0x0000000000000001;
regs.gpr[21] = 0x0000000000000000;
regs.gpr[23] = 0x0000000000000000;
regs.gpr[24] = 0x0000000000000000;
regs.gpr[25] = 0xFFFFFFFF9DEBB54F;
regs.gpr[26] = 0x0000000000000000;
regs.gpr[27] = 0x0000000000000000;
regs.gpr[28] = 0x0000000000000000;
regs.gpr[29] = 0xFFFFFFFFA4001FF0;
regs.gpr[30] = 0x0000000000000000;
regs.gpr[31] = 0xFFFFFFFFA4001550;
regs.hi = 0x000000003FC18657;
regs.lo = 0x000000003103E121;
if (pal) {
regs.gpr[20] = 0x0000000000000000;
regs.gpr[23] = 0x0000000000000006;
regs.gpr[31] = 0xFFFFFFFFA4001554;
}
break;
case CIC_NUS_6103_7103:
regs.gpr[0] = 0x0000000000000000;
regs.gpr[1] = 0x0000000000000001;
regs.gpr[2] = 0x0000000049A5EE96;
regs.gpr[3] = 0x0000000049A5EE96;
regs.gpr[4] = 0x000000000000EE96;
regs.gpr[5] = 0xFFFFFFFFD4646273;
regs.gpr[6] = 0xFFFFFFFFA4001F0C;
regs.gpr[7] = 0xFFFFFFFFA4001F08;
regs.gpr[8] = 0x00000000000000C0;
regs.gpr[9] = 0x0000000000000000;
regs.gpr[10] = 0x0000000000000040;
regs.gpr[11] = 0xFFFFFFFFA4000040;
regs.gpr[12] = 0xFFFFFFFFCE9DFBF7;
regs.gpr[13] = 0xFFFFFFFFCE9DFBF7;
regs.gpr[14] = 0x000000001AF99984;
regs.gpr[15] = 0x0000000018B63D28;
regs.gpr[16] = 0x0000000000000000;
regs.gpr[17] = 0x0000000000000000;
regs.gpr[18] = 0x0000000000000000;
regs.gpr[19] = 0x0000000000000000;
regs.gpr[20] = 0x0000000000000001;
regs.gpr[21] = 0x0000000000000000;
regs.gpr[23] = 0x0000000000000000;
regs.gpr[24] = 0x0000000000000000;
regs.gpr[25] = 0xFFFFFFFF825B21C9;
regs.gpr[26] = 0x0000000000000000;
regs.gpr[27] = 0x0000000000000000;
regs.gpr[28] = 0x0000000000000000;
regs.gpr[29] = 0xFFFFFFFFA4001FF0;
regs.gpr[30] = 0x0000000000000000;
regs.gpr[31] = 0xFFFFFFFFA4001550;
regs.lo = 0x0000000018B63D28;
regs.hi = 0x00000000625C2BBE;
if (pal) {
regs.gpr[20] = 0x0000000000000000;
regs.gpr[23] = 0x0000000000000006;
regs.gpr[31] = 0xFFFFFFFFA4001554;
}
break;
case CIC_NUS_6105_7105:
regs.gpr[0] = 0x0000000000000000;
regs.gpr[1] = 0x0000000000000000;
regs.gpr[2] = 0xFFFFFFFFF58B0FBF;
regs.gpr[3] = 0xFFFFFFFFF58B0FBF;
regs.gpr[4] = 0x0000000000000FBF;
regs.gpr[5] = 0xFFFFFFFFDECAAAD1;
regs.gpr[6] = 0xFFFFFFFFA4001F0C;
regs.gpr[7] = 0xFFFFFFFFA4001F08;
regs.gpr[8] = 0x00000000000000C0;
regs.gpr[9] = 0x0000000000000000;
regs.gpr[10] = 0x0000000000000040;
regs.gpr[11] = 0xFFFFFFFFA4000040;
regs.gpr[12] = 0xFFFFFFFF9651F81E;
regs.gpr[13] = 0x000000002D42AAC5;
regs.gpr[14] = 0x00000000489B52CF;
regs.gpr[15] = 0x0000000056584D60;
regs.gpr[16] = 0x0000000000000000;
regs.gpr[17] = 0x0000000000000000;
regs.gpr[18] = 0x0000000000000000;
regs.gpr[19] = 0x0000000000000000;
regs.gpr[20] = 0x0000000000000001;
regs.gpr[21] = 0x0000000000000000;
regs.gpr[23] = 0x0000000000000000;
regs.gpr[24] = 0x0000000000000002;
regs.gpr[25] = 0xFFFFFFFFCDCE565F;
regs.gpr[26] = 0x0000000000000000;
regs.gpr[27] = 0x0000000000000000;
regs.gpr[28] = 0x0000000000000000;
regs.gpr[29] = 0xFFFFFFFFA4001FF0;
regs.gpr[30] = 0x0000000000000000;
regs.gpr[31] = 0xFFFFFFFFA4001550;
regs.lo = 0x0000000056584D60;
regs.hi = 0x000000004BE35D1F;
if (pal) {
regs.gpr[20] = 0x0000000000000000;
regs.gpr[23] = 0x0000000000000006;
regs.gpr[31] = 0xFFFFFFFFA4001554;
}
mem.Write32(regs, IMEM_REGION_START + 0x00, 0x3C0DBFC0);
mem.Write32(regs, IMEM_REGION_START + 0x04, 0x8DA807FC);
mem.Write32(regs, IMEM_REGION_START + 0x08, 0x25AD07C0);
mem.Write32(regs, IMEM_REGION_START + 0x0C, 0x31080080);
mem.Write32(regs, IMEM_REGION_START + 0x10, 0x5500FFFC);
mem.Write32(regs, IMEM_REGION_START + 0x14, 0x3C0DBFC0);
mem.Write32(regs, IMEM_REGION_START + 0x18, 0x8DA80024);
mem.Write32(regs, IMEM_REGION_START + 0x1C, 0x3C0BB000);
break;
case CIC_NUS_6106_7106:
regs.gpr[0] = 0x0000000000000000;
regs.gpr[1] = 0x0000000000000000;
regs.gpr[2] = 0xFFFFFFFFA95930A4;
regs.gpr[3] = 0xFFFFFFFFA95930A4;
regs.gpr[4] = 0x00000000000030A4;
regs.gpr[5] = 0xFFFFFFFFB04DC903;
regs.gpr[6] = 0xFFFFFFFFA4001F0C;
regs.gpr[7] = 0xFFFFFFFFA4001F08;
regs.gpr[8] = 0x00000000000000C0;
regs.gpr[9] = 0x0000000000000000;
regs.gpr[10] = 0x0000000000000040;
regs.gpr[11] = 0xFFFFFFFFA4000040;
regs.gpr[12] = 0xFFFFFFFFBCB59510;
regs.gpr[13] = 0xFFFFFFFFBCB59510;
regs.gpr[14] = 0x000000000CF85C13;
regs.gpr[15] = 0x000000007A3C07F4;
regs.gpr[16] = 0x0000000000000000;
regs.gpr[17] = 0x0000000000000000;
regs.gpr[18] = 0x0000000000000000;
regs.gpr[19] = 0x0000000000000000;
regs.gpr[20] = 0x0000000000000001;
regs.gpr[21] = 0x0000000000000000;
regs.gpr[23] = 0x0000000000000000;
regs.gpr[24] = 0x0000000000000002;
regs.gpr[25] = 0x00000000465E3F72;
regs.gpr[26] = 0x0000000000000000;
regs.gpr[27] = 0x0000000000000000;
regs.gpr[28] = 0x0000000000000000;
regs.gpr[29] = 0xFFFFFFFFA4001FF0;
regs.gpr[30] = 0x0000000000000000;
regs.gpr[31] = 0xFFFFFFFFA4001550;
regs.lo = 0x000000007A3C07F4;
regs.hi = 0x0000000023953898;
if (pal) {
regs.gpr[20] = 0x0000000000000000;
regs.gpr[23] = 0x0000000000000006;
regs.gpr[31] = 0xFFFFFFFFA4001554;
}
break;
}
regs.gpr[22] = (cicSeeds[cicType] >> 8) & 0xFF;
regs.cop0.Reset();
mem.Write32(regs, 0x04300004, 0x01010101);
regs.SetPC32(0xA4000040);
}
void PIF::ExecutePIF(Mem& mem, Registers& regs, CartInfo cartInfo) {
u32 cicType = cartInfo.cicType;
bool pal = cartInfo.isPAL;
mem.Write32(regs, PIF_RAM_REGION_START + 0x24, cicSeeds[cicType]);
switch(cicType) {
case UNKNOWN_CIC_TYPE:
Util::warn("Unknown CIC type!\n");
break;
case CIC_NUS_6101 ... CIC_NUS_6103_7103:
mem.Write32(regs, 0x318, RDRAM_SIZE);
break;
case CIC_NUS_6105_7105:
mem.Write32(regs, 0x3F0, RDRAM_SIZE);
break;
case CIC_NUS_6106_7106:
break;
}
DoPIFHLE(mem, regs, cartInfo);
}
}
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