Return to input.c CVS log

Up to [Tom Morton FrontierVM] / frontvm / hardware

Annotation of frontvm/hardware/input.c, revision 1.1.1.2

1.1       root        1: 
                      2: #include <SDL/SDL_endian.h>
                      3: #include <SDL/SDL_mouse.h>
                      4: 
                      5: #include "main.h"
                      6: #include "input.h"
1.1.1.2 ! root        7: #include "../m68000.h"
1.1       root        8: #include "shortcut.h"
1.1.1.2 ! root        9: #include "configuration.h"
1.1       root       10: 
                     11: INPUT input;
                     12: 
1.1.1.2 ! root       13: void Call_GetMouseInput ()
1.1       root       14: {
1.1.1.2 ! root       15:        short *mouse_mov, *mouse_abs;
        !            16:        unsigned long params;
        !            17:        int div;
        !            18:        
        !            19:        /* doesn't work. fix for 1x screen */
        !            20:        div = (ConfigureParams.Screen.ChosenDisplayMode ? 2 : 1);
        !            21:        params = GetReg (REG_A7);
        !            22:        params -= SIZE_WORD;
1.1       root       23:        /* Pointer passed to struct:
                     24:         *   word mouse_motion_x
                     25:         *   word mouse_motion_y
                     26:         *   word mouse_buttons
                     27:         */
                     28: 
1.1.1.2 ! root       29:        mouse_mov = (short*)(STRam + STMemory_ReadLong (params+SIZE_WORD));
        !            30:        mouse_abs = (short*)(STRam + STMemory_ReadLong (params+SIZE_WORD+SIZE_LONG));
1.1       root       31: 
1.1.1.2 ! root       32:        mouse_mov[0] = SDL_SwapBE16 (SDL_SwapBE16 (mouse_mov[0]) + input.motion_x);
        !            33:        mouse_mov[1] = SDL_SwapBE16 (SDL_SwapBE16 (mouse_mov[1]) + input.motion_y);
1.1       root       34:        
1.1.1.2 ! root       35:        mouse_abs[0] = SDL_SwapBE16 (input.abs_x/div);
        !            36:        mouse_abs[1] = SDL_SwapBE16 (input.abs_y/div);
        !            37:        
        !            38:        //if (input.mbuf_head != input.mbuf_tail) {
        !            39:        //      mouse_mov[2] = SDL_SwapBE16 (0xf8 | input.mousebut_buf [input.mbuf_head++]);
        !            40:        //      input.mbuf_head %= SIZE_KEYBUF;
        !            41:        //} else {
        !            42:                mouse_mov[2] = SDL_SwapBE16 (0xf8 | input.cur_mousebut_state);
        !            43:        //}
1.1       root       44:        
                     45:        input.motion_x = input.motion_y = 0;
                     46: }
                     47: 
1.1.1.2 ! root       48: void Call_GetKeyboardEvent ()
1.1       root       49: {
                     50:        if ((input.buf_head) != (input.buf_tail)) {
1.1.1.2 ! root       51:                SetReg (REG_D0, input.key_buf [input.buf_head++]);
1.1       root       52:                input.buf_head %= SIZE_KEYBUF;
                     53:        } else {
1.1.1.2 ! root       54:                SetReg (REG_D0, 0);
1.1       root       55:        }
                     56: }
                     57: 
                     58: 
                     59: 
                     60: 
                     61: /* Interrupt as required */
                     62: void Input_Update ()
                     63: {
                     64:        if ((input.buf_head != input.buf_tail) ||
                     65:            (input.motion_x) ||
                     66:            (input.motion_y) ||
                     67:            (input.mbuf_head != input.mbuf_tail)) {
1.1.1.2 ! root       68:                //FlagException (1);
1.1       root       69:        }
                     70: }
                     71: 
                     72: void Input_PressSTKey (unsigned char ScanCode, BOOL bPress)
                     73: {
                     74:        if (!bPress) ScanCode |= 0x80;
                     75:        input.key_buf [input.buf_tail++] = ScanCode;
                     76:        input.buf_tail %= SIZE_KEYBUF;
                     77: }
                     78: 
                     79: void Input_MousePress (int button)
                     80: {
                     81:        if (button == SDL_BUTTON_RIGHT) input.cur_mousebut_state |= 0x1;
                     82:        else if (button == SDL_BUTTON_LEFT) input.cur_mousebut_state |= 0x2;
                     83:        else if (button == SDL_BUTTON_MIDDLE) {
                     84:                /* middle mouse button toggles mouse grab */
                     85:                ShortCut_MouseMode();
                     86:                return;
                     87:        } else {
                     88:                return;
                     89:        }
                     90:        input.mousebut_buf [input.mbuf_tail++] = input.cur_mousebut_state;
                     91:        input.mbuf_tail %= SIZE_MOUSEBUF;
                     92: }
                     93: 
                     94: void Input_MouseRelease (int button)
                     95: {
                     96:        if (button == SDL_BUTTON_RIGHT) input.cur_mousebut_state &= ~0x1;
                     97:        else if (button == SDL_BUTTON_LEFT) input.cur_mousebut_state &= ~0x2;
                     98:        else return;
                     99:        input.mousebut_buf [input.mbuf_tail++] = input.cur_mousebut_state;
                    100:        input.mbuf_tail %= SIZE_MOUSEBUF;
                    101: }
                    102: 

This archive runs on limited infrastructure. Preserving old code on modern bandwidth. Automated agents are requested to crawl responsibly.