#include <windows.h>

#include "Rsp.h"
#include "cpu/RspTypes.h"
#include <commctrl.h>
#include <stdio.h>

#define GeneralPurpose 1
#define ControlProcessor0 2
#define HiddenRegisters 3
#define Vector1 4
#define Vector2 5

#define IDC_TAB_CONTROL 1000

void Create_RSP_Register_Window(int);
void HideRSP_RegisterPanel(int);
void PaintRSP_HiddenPanel(HWND);
void PaintRSP_CP0Panel(HWND);
void PaintRSP_GPRPanel(HWND);
void PaintRSP_Vector1_Panel(HWND);
void PaintRSP_Vector2_Panel(HWND);
void ShowRSP_RegisterPanel(int);
void SetupRSP_HiddenPanel(HWND);
void SetupRSP_CP0Panel(HWND);
void SetupRSP_GPRPanel(HWND);
void SetupRSP_RegistersMain(HWND);
void SetupRSP_Vect1Panel(HWND);
void SetupRSP_Vect2Panel(HWND);
void UpdateRSPRegistersScreen(void);

LRESULT CALLBACK RefreshRSP_RegProc(HWND, UINT, WPARAM, LPARAM);
LRESULT CALLBACK RSP_Registers_Proc(HWND, UINT, WPARAM, LPARAM);

HWND RSP_Registers_hDlg, hTab, hStatic, hGPR[32], hCP0[16], hHIDDEN[12],
    hVECT1[16], hVECT2[16];
int InRSPRegisterWindow = false;
WNDPROC RefreshProc;

// RSP registers
UWORD32 RSP_GPR[32], RSP_Flags[4];
UDWORD RSP_ACCUM[8];
RSPVector RSP_Vect[32];

char * GPR_Strings[32] = {
    "R0", "AT", "V0", "V1", "A0", "A1", "A2", "A3",
    "T0", "T1", "T2", "T3", "T4", "T5", "T6", "T7",
    "S0", "S1", "S2", "S3", "S4", "S5", "S6", "S7",
    "T8", "T9", "K0", "K1", "GP", "SP", "S8", "RA"};

void Create_RSP_Register_Window(int Child)
{
    DWORD ThreadID;
    if (Child)
    {
        InRSPRegisterWindow = true;
        DialogBoxA((HINSTANCE)hinstDLL, "RSPREGISTERS", NULL, (DLGPROC)RSP_Registers_Proc);
        InRSPRegisterWindow = false;
    }
    else
    {
        if (!InRSPRegisterWindow)
        {
            CreateThread(NULL, 0, (LPTHREAD_START_ROUTINE)Create_RSP_Register_Window,
                         (LPVOID)true, 0, &ThreadID);
        }
        else
        {
            if (IsIconic((HWND)RSP_Registers_hDlg))
            {
                SendMessage(RSP_Registers_hDlg, WM_SYSCOMMAND, SC_RESTORE, 0);
            }
            SetForegroundWindow(RSP_Registers_hDlg);
        }
    }
}

void Enter_RSP_Register_Window(void)
{
    Create_RSP_Register_Window(false);
}

void HideRSP_RegisterPanel(int Panel)
{
    int count;

    switch (Panel)
    {
    case GeneralPurpose:
        for (count = 0; count < 32; count++)
        {
            ShowWindow(hGPR[count], false);
        }
        break;
    case ControlProcessor0:
        for (count = 0; count < 16; count++)
        {
            ShowWindow(hCP0[count], false);
        }
        break;
    case HiddenRegisters:
        for (count = 0; count < 12; count++)
        {
            ShowWindow(hHIDDEN[count], false);
        }
        break;
    case Vector1:
        for (count = 0; count < 16; count++)
        {
            ShowWindow(hVECT1[count], false);
        }
        break;
    case Vector2:
        for (count = 0; count < 16; count++)
        {
            ShowWindow(hVECT2[count], false);
        }
        break;
    }
}

void InitilizeRSPRegisters(void)
{
    memset(RSP_GPR, 0, sizeof(RSP_GPR));
    for (size_t i = 0, n = sizeof(RSP_Vect) / sizeof(RSP_Vect[0]); i < n; i++)
    {
        RSP_Vect[i] = RSPVector();
    }
}

void PaintRSP_HiddenPanel(HWND hWnd)
{
    PAINTSTRUCT ps;
    RECT rcBox;
    HFONT hOldFont;
    int OldBkMode;
    BeginPaint(hWnd, &ps);

    rcBox.left = 66;
    rcBox.top = 39;
    rcBox.right = 320;
    rcBox.bottom = 265;
    DrawEdge(ps.hdc, &rcBox, EDGE_ETCHED, BF_RECT);

    rcBox.left = 350;
    rcBox.top = 39;
    rcBox.right = 510;
    rcBox.bottom = 265;
    DrawEdge(ps.hdc, &rcBox, EDGE_ETCHED, BF_RECT);

    rcBox.left = 75;
    rcBox.top = 35;
    rcBox.right = 150;
    rcBox.bottom = 50;
    FillRect(ps.hdc, &rcBox, (HBRUSH)COLOR_WINDOW);

    rcBox.left = 365;
    rcBox.top = 35;
    rcBox.right = 425;
    rcBox.bottom = 50;
    FillRect(ps.hdc, &rcBox, (HBRUSH)COLOR_WINDOW);

    hOldFont = (HFONT)SelectObject(ps.hdc,
                                   GetStockObject((int)DEFAULT_GUI_FONT));
    OldBkMode = SetBkMode(ps.hdc, TRANSPARENT);

    TextOutA(ps.hdc, 80, 34, "Accumulators", 12);
    TextOutA(ps.hdc, 80, 56, "Accumulator 0:", 14);
    TextOutA(ps.hdc, 80, 81, "Accumulator 1:", 14);
    TextOutA(ps.hdc, 80, 106, "Accumulator 2:", 14);
    TextOutA(ps.hdc, 80, 131, "Accumulator 3:", 14);
    TextOutA(ps.hdc, 80, 156, "Accumulator 4:", 14);
    TextOutA(ps.hdc, 80, 181, "Accumulator 5:", 14);
    TextOutA(ps.hdc, 80, 206, "Accumulator 6:", 14);
    TextOutA(ps.hdc, 80, 231, "Accumulator 7:", 14);

    TextOutA(ps.hdc, 371, 34, "RSP Flags", 9);
    TextOutA(ps.hdc, 375, 86, "Flag 0:", 7);
    TextOutA(ps.hdc, 375, 116, "Flag 2:", 7);
    TextOutA(ps.hdc, 375, 146, "Flag 3:", 7);
    TextOutA(ps.hdc, 375, 176, "Flag 4:", 7);

    SelectObject(ps.hdc, hOldFont);
    SetBkMode(ps.hdc, OldBkMode);
    EndPaint(hWnd, &ps);
}

void PaintRSP_CP0Panel(HWND hWnd)
{
    PAINTSTRUCT ps;
    RECT rcBox;
    HFONT hOldFont;
    int OldBkMode;
    BeginPaint(hWnd, &ps);

    rcBox.left = 41;
    rcBox.top = 29;
    rcBox.right = 573;
    rcBox.bottom = 275;
    DrawEdge(ps.hdc, &rcBox, EDGE_ETCHED, BF_RECT);

    hOldFont = (HFONT)SelectObject(ps.hdc,
                                   GetStockObject(DEFAULT_GUI_FONT));
    OldBkMode = SetBkMode(ps.hdc, TRANSPARENT);

    TextOutA(ps.hdc, 53, 48, "Reg 0 - SP memory address:", 26);
    TextOutA(ps.hdc, 53, 76, "Reg 1 - SP DRAM DMA address:", 28);
    TextOutA(ps.hdc, 53, 104, "Reg 2 - SP read DMA length:", 27);
    TextOutA(ps.hdc, 53, 132, "Reg 3 - SP write DMA length:", 28);
    TextOutA(ps.hdc, 53, 160, "Reg 4 - SP status:", 18);
    TextOutA(ps.hdc, 53, 188, "Reg 5 - SP DMA full:", 20);
    TextOutA(ps.hdc, 53, 216, "Reg 6 - SP DMA busy:", 20);
    TextOutA(ps.hdc, 53, 244, "Reg 7 - SP semaphore:", 21);
    TextOutA(ps.hdc, 313, 48, "Reg 8 - DP CMD DMA start:", 25);
    TextOutA(ps.hdc, 313, 76, "Reg 9 - DP CMD DMA end:", 23);
    TextOutA(ps.hdc, 313, 104, "Reg 10 - DP CMD DMA current:", 28);
    TextOutA(ps.hdc, 313, 132, "Reg 11 - DP CMD status:", 23);
    TextOutA(ps.hdc, 313, 160, "Reg 12 - DP clock counter:", 26);
    TextOutA(ps.hdc, 313, 188, "Reg 13 - DP buffer busy counter:", 32);
    TextOutA(ps.hdc, 313, 216, "Reg 14 - DP pipe busy counter:", 30);
    TextOutA(ps.hdc, 313, 244, "Reg 15 - DP TMEM load counter:", 30);

    SelectObject(ps.hdc, hOldFont);
    SetBkMode(ps.hdc, OldBkMode);
    EndPaint(hWnd, &ps);
}

void PaintRSP_GPRPanel(HWND hWnd)
{
    PAINTSTRUCT ps;
    RECT rcBox;
    HFONT hOldFont;
    int OldBkMode;
    BeginPaint(hWnd, &ps);

    rcBox.left = 41;
    rcBox.top = 29;
    rcBox.right = 573;
    rcBox.bottom = 275;
    DrawEdge(ps.hdc, &rcBox, EDGE_ETCHED, BF_RECT);

    hOldFont = (HFONT)SelectObject(ps.hdc,
                                   GetStockObject(DEFAULT_GUI_FONT));
    OldBkMode = SetBkMode(ps.hdc, TRANSPARENT);

    TextOutA(ps.hdc, 53, 46, "R0 - Reg 0:", 11);
    TextOutA(ps.hdc, 53, 66, "AT - Reg 1:", 11);
    TextOutA(ps.hdc, 53, 86, "V0 - Reg 2:", 11);
    TextOutA(ps.hdc, 53, 106, "V1 - Reg 3:", 11);
    TextOutA(ps.hdc, 53, 126, "A0 - Reg 4:", 11);
    TextOutA(ps.hdc, 53, 146, "A1 - Reg 5:", 11);
    TextOutA(ps.hdc, 53, 166, "A2 - Reg 6:", 11);
    TextOutA(ps.hdc, 53, 186, "A3 - Reg 7:", 11);
    TextOutA(ps.hdc, 53, 206, "T0 - Reg 8:", 11);
    TextOutA(ps.hdc, 53, 226, "T1 - Reg 9:", 11);
    TextOutA(ps.hdc, 53, 246, "T2 - Reg 10:", 12);
    TextOutA(ps.hdc, 228, 46, "T3 - Reg 11:", 12);
    TextOutA(ps.hdc, 228, 66, "T4 - Reg 12:", 12);
    TextOutA(ps.hdc, 228, 86, "T5 - Reg 13:", 12);
    TextOutA(ps.hdc, 228, 106, "T6 - Reg 14:", 12);
    TextOutA(ps.hdc, 228, 126, "T7 - Reg 15:", 12);
    TextOutA(ps.hdc, 228, 146, "S0 - Reg 16:", 12);
    TextOutA(ps.hdc, 228, 166, "S1 - Reg 17:", 12);
    TextOutA(ps.hdc, 228, 186, "S2 - Reg 18:", 12);
    TextOutA(ps.hdc, 228, 206, "S3 - Reg 19:", 12);
    TextOutA(ps.hdc, 228, 226, "S4 - Reg 20:", 12);
    TextOutA(ps.hdc, 228, 246, "S5 - Reg 21:", 12);
    TextOutA(ps.hdc, 408, 46, "S6 - Reg 22:", 12);
    TextOutA(ps.hdc, 408, 66, "S7 - Reg 23:", 12);
    TextOutA(ps.hdc, 408, 86, "T8 - Reg 24:", 12);
    TextOutA(ps.hdc, 408, 106, "T9 - Reg 25:", 12);
    TextOutA(ps.hdc, 408, 126, "K0 - Reg 26:", 12);
    TextOutA(ps.hdc, 408, 146, "K1 - Reg 27:", 12);
    TextOutA(ps.hdc, 408, 166, "GP - Reg 28:", 12);
    TextOutA(ps.hdc, 408, 186, "SP - Reg 29:", 12);
    TextOutA(ps.hdc, 408, 206, "S8 - Reg 30:", 12);
    TextOutA(ps.hdc, 408, 226, "RA - Reg 31:", 12);

    SelectObject(ps.hdc, hOldFont);
    SetBkMode(ps.hdc, OldBkMode);
    EndPaint(hWnd, &ps);
}

void PaintRSP_Vector1_Panel(HWND hWnd)
{
    PAINTSTRUCT ps;
    RECT rcBox;
    HFONT hOldFont;
    int OldBkMode;
    BeginPaint(hWnd, &ps);

    rcBox.left = 10;
    rcBox.top = 29;
    rcBox.right = 606;
    rcBox.bottom = 275;
    DrawEdge(ps.hdc, &rcBox, EDGE_ETCHED, BF_RECT);

    hOldFont = (HFONT)SelectObject(ps.hdc,
                                   GetStockObject(DEFAULT_GUI_FONT));
    OldBkMode = SetBkMode(ps.hdc, TRANSPARENT);

    TextOutA(ps.hdc, 20, 48, "$v0:", 4);
    TextOutA(ps.hdc, 20, 76, "$v1:", 4);
    TextOutA(ps.hdc, 20, 104, "$v2:", 4);
    TextOutA(ps.hdc, 20, 132, "$v3:", 4);
    TextOutA(ps.hdc, 20, 160, "$v4:", 4);
    TextOutA(ps.hdc, 20, 188, "$v5:", 4);
    TextOutA(ps.hdc, 20, 216, "$v6:", 4);
    TextOutA(ps.hdc, 20, 244, "$v7:", 4);
    TextOutA(ps.hdc, 310, 48, "$v8:", 4);
    TextOutA(ps.hdc, 310, 76, "$v9:", 4);
    TextOutA(ps.hdc, 310, 104, "$v10:", 5);
    TextOutA(ps.hdc, 310, 132, "$v11:", 5);
    TextOutA(ps.hdc, 310, 160, "$v12:", 5);
    TextOutA(ps.hdc, 310, 188, "$v13:", 5);
    TextOutA(ps.hdc, 310, 216, "$v14:", 5);
    TextOutA(ps.hdc, 310, 244, "$v15:", 5);

    SelectObject(ps.hdc, hOldFont);
    SetBkMode(ps.hdc, OldBkMode);
    EndPaint(hWnd, &ps);
}

void PaintRSP_Vector2_Panel(HWND hWnd)
{
    PAINTSTRUCT ps;
    RECT rcBox;
    HFONT hOldFont;
    int OldBkMode;
    BeginPaint(hWnd, &ps);

    rcBox.left = 10;
    rcBox.top = 29;
    rcBox.right = 606;
    rcBox.bottom = 275;
    DrawEdge(ps.hdc, &rcBox, EDGE_ETCHED, BF_RECT);

    hOldFont = (HFONT)SelectObject(ps.hdc,
                                   GetStockObject(DEFAULT_GUI_FONT));
    OldBkMode = SetBkMode(ps.hdc, TRANSPARENT);

    TextOutA(ps.hdc, 20, 48, "$v16:", 5);
    TextOutA(ps.hdc, 20, 76, "$v17:", 5);
    TextOutA(ps.hdc, 20, 104, "$v18:", 5);
    TextOutA(ps.hdc, 20, 132, "$v19:", 5);
    TextOutA(ps.hdc, 20, 160, "$v20:", 5);
    TextOutA(ps.hdc, 20, 188, "$v21:", 5);
    TextOutA(ps.hdc, 20, 216, "$v22:", 5);
    TextOutA(ps.hdc, 20, 244, "$v23:", 5);
    TextOutA(ps.hdc, 310, 48, "$v24:", 5);
    TextOutA(ps.hdc, 310, 76, "$v25:", 5);
    TextOutA(ps.hdc, 310, 104, "$v26:", 5);
    TextOutA(ps.hdc, 310, 132, "$v27:", 5);
    TextOutA(ps.hdc, 310, 160, "$v28:", 5);
    TextOutA(ps.hdc, 310, 188, "$v29:", 5);
    TextOutA(ps.hdc, 310, 216, "$v30:", 5);
    TextOutA(ps.hdc, 310, 244, "$v31:", 5);

    SelectObject(ps.hdc, hOldFont);
    SetBkMode(ps.hdc, OldBkMode);
    EndPaint(hWnd, &ps);
}

LRESULT CALLBACK RefreshRSP_RegProc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
{
    int nSel;
    TC_ITEM item;

    switch (uMsg)
    {
    case WM_PAINT:
        nSel = TabCtrl_GetCurSel(hTab);
        if (nSel > -1)
        {
            item.mask = TCIF_PARAM;
            TabCtrl_GetItem(hTab, nSel, &item);
            switch (item.lParam)
            {
            case GeneralPurpose:
                PaintRSP_GPRPanel(hWnd);
                break;
            case ControlProcessor0:
                PaintRSP_CP0Panel(hWnd);
                break;
            case HiddenRegisters:
                PaintRSP_HiddenPanel(hWnd);
                break;
            case Vector1:
                PaintRSP_Vector1_Panel(hWnd);
                break;
            case Vector2:
                PaintRSP_Vector2_Panel(hWnd);
                break;
            }
        }
        break;
    }

    return CallWindowProc(RefreshProc, hWnd, uMsg, wParam, lParam);
}

LRESULT CALLBACK RSP_Registers_Proc(HWND hDlg, UINT uMsg, WPARAM wParam, LPARAM lParam)
{
    static RECT rcDisp;
    static int CurrentPanel = GeneralPurpose;
    TC_ITEM item;

    switch (uMsg)
    {
    case WM_INITDIALOG:
        RSP_Registers_hDlg = hDlg;
        SetupRSP_RegistersMain(hDlg);
        break;
    case WM_MOVE:
        //StoreCurrentWinPos("RSP Registers",hDlg);
        break;
    case WM_SIZE:
        GetClientRect(hDlg, &rcDisp);
        TabCtrl_AdjustRect(hTab, false, &rcDisp);
        break;
    case WM_NOTIFY:
        switch (((NMHDR *)lParam)->code)
        {
        case TCN_SELCHANGE:
            InvalidateRect(hTab, &rcDisp, true);
            HideRSP_RegisterPanel(CurrentPanel);
            item.mask = TCIF_PARAM;
            TabCtrl_GetItem(hTab, TabCtrl_GetCurSel(hTab), &item);
            CurrentPanel = (int)item.lParam;
            InvalidateRect(hStatic, NULL, false);
            UpdateRSPRegistersScreen();
            ShowRSP_RegisterPanel(CurrentPanel);
            break;
        }
        break;
    case WM_COMMAND:
        switch (LOWORD(wParam))
        {
        case IDCANCEL:
            CurrentPanel = GeneralPurpose;
            EndDialog(hDlg, IDCANCEL);
            break;
        }
    default:
        return false;
    }
    return true;
}

void SetupRSP_HiddenPanel(HWND hDlg)
{
    int count;

    for (count = 0; count < 8; count++)
    {
        hHIDDEN[count] = CreateWindowExA(WS_EX_CLIENTEDGE, "EDIT", "", WS_CHILD | ES_READONLY | WS_BORDER | WS_TABSTOP, 170, (count * 25) + 60, 140, 19,
                                         hDlg, 0, (HINSTANCE)hinstDLL, NULL);
        SendMessage(hHIDDEN[count], WM_SETFONT, (WPARAM)GetStockObject(DEFAULT_GUI_FONT), 0);
    }
    for (count = 0; count < 4; count++)
    {
        hHIDDEN[count + 8] = CreateWindowExA(WS_EX_CLIENTEDGE, "EDIT", "", WS_CHILD | ES_READONLY | WS_BORDER | WS_TABSTOP, 425, (count * 30) + 90, 55, 19,
                                             hDlg, 0, (HINSTANCE)hinstDLL, NULL);
        SendMessage(hHIDDEN[count + 8], WM_SETFONT, (WPARAM)GetStockObject(DEFAULT_GUI_FONT), 0);
    }
}

void SetupRSP_CP0Panel(HWND hDlg)
{
    int count;

    for (count = 0; count < 8; count++)
    {
        hCP0[count] = CreateWindowExA(WS_EX_CLIENTEDGE, "EDIT", "", WS_CHILD | ES_READONLY | WS_BORDER | WS_TABSTOP, 225, (count * 28) + 53, 75, 19,
                                      hDlg, 0, (HINSTANCE)hinstDLL, NULL);
        SendMessage(hCP0[count], WM_SETFONT, (WPARAM)GetStockObject(DEFAULT_GUI_FONT), 0);
    }
    for (count = 0; count < 8; count++)
    {
        hCP0[count + 8] = CreateWindowExA(WS_EX_CLIENTEDGE, "EDIT", "", WS_CHILD | ES_READONLY | WS_BORDER | WS_TABSTOP, 485, (count * 28) + 53, 75, 19,
                                          hDlg, 0, (HINSTANCE)hinstDLL, NULL);
        SendMessage(hCP0[count + 8], WM_SETFONT, (WPARAM)GetStockObject(DEFAULT_GUI_FONT), 0);
    }
}

void SetupRSP_GPRPanel(HWND hDlg)
{
    int count;

    for (count = 0; count < 11; count++)
    {
        hGPR[count] = CreateWindowExA(WS_EX_CLIENTEDGE, "EDIT", "", WS_CHILD | ES_READONLY | WS_BORDER | WS_TABSTOP, 135, (count * 20) + 50, 75, 19,
                                      hDlg, 0, (HINSTANCE)hinstDLL, NULL);
        SendMessage(hGPR[count], WM_SETFONT, (WPARAM)GetStockObject(DEFAULT_GUI_FONT), 0);
    }
    for (count = 0; count < 11; count++)
    {
        hGPR[count + 11] = CreateWindowExA(WS_EX_CLIENTEDGE, "EDIT", "", WS_CHILD | ES_READONLY | WS_BORDER | WS_TABSTOP, 315, (count * 20) + 50, 75, 19,
                                           hDlg, 0, (HINSTANCE)hinstDLL, NULL);
        SendMessage(hGPR[count + 11], WM_SETFONT, (WPARAM)GetStockObject(DEFAULT_GUI_FONT), 0);
    }
    for (count = 0; count < 10; count++)
    {
        hGPR[count + 22] = CreateWindowExA(WS_EX_CLIENTEDGE, "EDIT", "", WS_CHILD | ES_READONLY | WS_BORDER | WS_TABSTOP, 485, (count * 20) + 50, 75, 19,
                                           hDlg, 0, (HINSTANCE)hinstDLL, NULL);
        SendMessage(hGPR[count + 22], WM_SETFONT, (WPARAM)GetStockObject(DEFAULT_GUI_FONT), 0);
    }
}

void SetupRSP_RegistersMain(HWND hDlg)
{
#define WindowWidth 630
#define WindowHeight 325
    DWORD X, Y;

    hTab = CreateWindowExA(0, WC_TABCONTROLA, "", WS_TABSTOP | WS_CHILD | WS_VISIBLE, 5, 6, 616, 290,
                           hDlg, (HMENU)IDC_TAB_CONTROL, (HINSTANCE)hinstDLL, NULL);
    if (hTab)
    {
        TC_ITEMA item;
        SendMessage(hTab, WM_SETFONT, (WPARAM)GetStockObject(DEFAULT_GUI_FONT), 0);
        item.mask = TCIF_TEXT | TCIF_PARAM;
        item.pszText = " General Purpose ";
        item.lParam = GeneralPurpose;
        (int)::SendMessageA(hTab, TCM_INSERTITEMA, (WPARAM)(int)(0), (LPARAM)(const TC_ITEMA *)(&item));
        item.lParam = ControlProcessor0;
        item.pszText = " Control Processor 0 ";
        (int)::SendMessageA(hTab, TCM_INSERTITEMA, (WPARAM)(int)(1), (LPARAM)(const TC_ITEMA *)(&item));
        item.lParam = HiddenRegisters;
        item.pszText = " Hidden Registers ";
        (int)::SendMessageA(hTab, TCM_INSERTITEMA, (WPARAM)(int)(2), (LPARAM)(const TC_ITEMA *)(&item));
        item.lParam = Vector1;
        item.pszText = " RSP Vectors $v0 - $v15 ";
        (int)::SendMessageA(hTab, TCM_INSERTITEMA, (WPARAM)(int)(3), (LPARAM)(const TC_ITEMA *)(&item));
        item.lParam = Vector2;
        item.pszText = " RSP Vectors $v16 - $v31 ";
        (int)::SendMessageA(hTab, TCM_INSERTITEMA, (WPARAM)(int)(4), (LPARAM)(const TC_ITEMA *)(&item));
    }

    SetupRSP_HiddenPanel(hDlg);
    SetupRSP_CP0Panel(hDlg);
    SetupRSP_GPRPanel(hDlg);
    SetupRSP_Vect1Panel(hDlg);
    SetupRSP_Vect2Panel(hDlg);

    hStatic = CreateWindowExA(0, "STATIC", "", WS_CHILD | WS_VISIBLE, 5, 6, 616, 290, hDlg, 0, (HINSTANCE)hinstDLL, NULL);
#ifdef _M_IX86
    RefreshProc = (WNDPROC)SetWindowLong(hStatic, GWL_WNDPROC, (long)RefreshRSP_RegProc);
#else
    DebugBreak();
#endif

    UpdateRSPRegistersScreen();
    ShowRSP_RegisterPanel(GeneralPurpose);
    SetWindowTextA(hDlg, " RSP Registers");

    //if ( !GetStoredWinPos( "RSP Registers", &X, &Y ) ) {
    X = (GetSystemMetrics(SM_CXSCREEN) - WindowWidth) / 2;
    Y = (GetSystemMetrics(SM_CYSCREEN) - WindowHeight) / 2;
    //}
    SetWindowPos(hDlg, NULL, X, Y, WindowWidth, WindowHeight, SWP_NOZORDER | SWP_SHOWWINDOW);
}

void SetupRSP_Vect1Panel(HWND hDlg)
{
    int count;

    for (count = 0; count < 8; count++)
    {
        hVECT1[count] = CreateWindowExA(WS_EX_CLIENTEDGE, "EDIT", "", WS_CHILD | ES_READONLY | WS_BORDER | WS_TABSTOP, 55, (count * 28) + 52, 254, 19,
                                        hDlg, 0, (HINSTANCE)hinstDLL, NULL);
        SendMessage(hVECT1[count], WM_SETFONT, (WPARAM)GetStockObject(DEFAULT_GUI_FONT), 0);
    }
    for (count = 0; count < 8; count++)
    {
        hVECT1[count + 8] = CreateWindowExA(WS_EX_CLIENTEDGE, "EDIT", "", WS_CHILD | ES_READONLY | WS_BORDER | WS_TABSTOP, 345, (count * 28) + 52, 254, 19,
                                            hDlg, 0, (HINSTANCE)hinstDLL, NULL);
        SendMessage(hVECT1[count + 8], WM_SETFONT, (WPARAM)GetStockObject(DEFAULT_GUI_FONT), 0);
    }
}

void SetupRSP_Vect2Panel(HWND hDlg)
{
    int count;

    for (count = 0; count < 8; count++)
    {
        hVECT2[count] = CreateWindowExA(WS_EX_CLIENTEDGE, "EDIT", "", WS_CHILD | ES_READONLY | WS_BORDER | WS_TABSTOP, 55, (count * 28) + 52, 254, 19,
                                        hDlg, 0, (HINSTANCE)hinstDLL, NULL);
        SendMessage(hVECT2[count], WM_SETFONT, (WPARAM)GetStockObject(DEFAULT_GUI_FONT), 0);
    }
    for (count = 0; count < 8; count++)
    {
        hVECT2[count + 8] = CreateWindowExA(WS_EX_CLIENTEDGE, "EDIT", "", WS_CHILD | ES_READONLY | WS_BORDER | WS_TABSTOP, 345, (count * 28) + 52, 254, 19,
                                            hDlg, 0, (HINSTANCE)hinstDLL, NULL);
        SendMessage(hVECT2[count + 8], WM_SETFONT, (WPARAM)GetStockObject(DEFAULT_GUI_FONT), 0);
    }
}

void ShowRSP_RegisterPanel(int Panel)
{
    int count;

    switch (Panel)
    {
    case GeneralPurpose:
        for (count = 0; count < 32; count++)
        {
            ShowWindow(hGPR[count], true);
        }
        break;
    case ControlProcessor0:
        for (count = 0; count < 16; count++)
        {
            ShowWindow(hCP0[count], true);
        }
        break;
    case HiddenRegisters:
        for (count = 0; count < 12; count++)
        {
            ShowWindow(hHIDDEN[count], true);
        }
        break;
    case Vector1:
        for (count = 0; count < 16; count++)
        {
            ShowWindow(hVECT1[count], true);
        }
        break;
    case Vector2:
        for (count = 0; count < 16; count++)
        {
            ShowWindow(hVECT2[count], true);
        }
        break;
    }
}

void UpdateRSPRegistersScreen(void)
{
    char RegisterValue[100];
    int count, nSel;
    TC_ITEM item;

    if (!InRSPRegisterWindow)
    {
        return;
    }
    nSel = TabCtrl_GetCurSel(hTab);
    if (nSel > -1)
    {
        item.mask = TCIF_PARAM;
        TabCtrl_GetItem(hTab, nSel, &item);
        switch (item.lParam)
        {
        case GeneralPurpose:
            for (count = 0; count < 32; count++)
            {
                sprintf(RegisterValue, " 0x%08X", RSP_GPR[count].UW);
                SetWindowTextA(hGPR[count], RegisterValue);
            }
            break;
        case ControlProcessor0:
            if (RSPInfo.SP_MEM_ADDR_REG)
            {
                sprintf(RegisterValue, " 0x%08X", *RSPInfo.SP_MEM_ADDR_REG);
                SetWindowTextA(hCP0[0], RegisterValue);
                sprintf(RegisterValue, " 0x%08X", *RSPInfo.SP_DRAM_ADDR_REG);
                SetWindowTextA(hCP0[1], RegisterValue);
                sprintf(RegisterValue, " 0x%08X", *RSPInfo.SP_RD_LEN_REG);
                SetWindowTextA(hCP0[2], RegisterValue);
                sprintf(RegisterValue, " 0x%08X", *RSPInfo.SP_WR_LEN_REG);
                SetWindowTextA(hCP0[3], RegisterValue);
                sprintf(RegisterValue, " 0x%08X", *RSPInfo.SP_STATUS_REG);
                SetWindowTextA(hCP0[4], RegisterValue);
                sprintf(RegisterValue, " 0x%08X", *RSPInfo.SP_DMA_FULL_REG);
                SetWindowTextA(hCP0[5], RegisterValue);
                sprintf(RegisterValue, " 0x%08X", *RSPInfo.SP_DMA_BUSY_REG);
                SetWindowTextA(hCP0[6], RegisterValue);
                sprintf(RegisterValue, " 0x%08X", *RSPInfo.SP_SEMAPHORE_REG);
                SetWindowTextA(hCP0[7], RegisterValue);
                sprintf(RegisterValue, " 0x%08X", *RSPInfo.DPC_START_REG);
                SetWindowTextA(hCP0[8], RegisterValue);
                sprintf(RegisterValue, " 0x%08X", *RSPInfo.DPC_END_REG);
                SetWindowTextA(hCP0[9], RegisterValue);
                sprintf(RegisterValue, " 0x%08X", *RSPInfo.DPC_CURRENT_REG);
                SetWindowTextA(hCP0[10], RegisterValue);
                sprintf(RegisterValue, " 0x%08X", *RSPInfo.DPC_STATUS_REG);
                SetWindowTextA(hCP0[11], RegisterValue);
                sprintf(RegisterValue, " 0x%08X", *RSPInfo.DPC_CLOCK_REG);
                SetWindowTextA(hCP0[12], RegisterValue);
                sprintf(RegisterValue, " 0x%08X", *RSPInfo.DPC_BUFBUSY_REG);
                SetWindowTextA(hCP0[13], RegisterValue);
                sprintf(RegisterValue, " 0x%08X", *RSPInfo.DPC_PIPEBUSY_REG);
                SetWindowTextA(hCP0[14], RegisterValue);
                sprintf(RegisterValue, " 0x%08X", *RSPInfo.DPC_TMEM_REG);
                SetWindowTextA(hCP0[15], RegisterValue);
            }
            break;
        case HiddenRegisters:
            for (count = 0; count < 8; count++)
            {
                sprintf(RegisterValue, " 0x%08X - %08X", RSP_ACCUM[count].W[1], RSP_ACCUM[count].W[0]);
                SetWindowTextA(hHIDDEN[count], RegisterValue);
            }
            for (count = 0; count < 3; count++)
            {
                sprintf(RegisterValue, " 0x%04X", RSP_Flags[count].UHW[0]);
                SetWindowTextA(hHIDDEN[count + 8], RegisterValue);
            }
            sprintf(RegisterValue, " 0x%04X", RSP_Flags[2].UHW[0]);
            SetWindowTextA(hHIDDEN[11], RegisterValue);
            break;
        case Vector1:
            for (count = 0; count < 16; count++)
            {
                sprintf(RegisterValue, " 0x%08X - %08X - %08X - %08X", RSP_Vect[count].s32(0),
                        RSP_Vect[count].s32(1), RSP_Vect[count].s32(2), RSP_Vect[count].s32(3));
                SetWindowTextA(hVECT1[count], RegisterValue);
            }
            break;
        case Vector2:
            for (count = 0; count < 16; count++)
            {
                sprintf(RegisterValue, " 0x%08X - %08X - %08X - %08X", RSP_Vect[count + 16].s32(0),
                        RSP_Vect[count + 16].s32(1), RSP_Vect[count + 16].s32(2), RSP_Vect[count + 16].s32(3));
                SetWindowTextA(hVECT2[count], RegisterValue);
            }
            break;
        }
    }
}