* Mouse interrupt Handler * * Receive and process Mouse IKBD packets. */
| 68 | * Receive and process Mouse IKBD packets. |
| 69 | */ |
| 70 | void Mouse_Handler(char * ikbd_packet) |
| 71 | { |
| 72 | /* The relative mouse position record is a three byte record of the form |
| 73 | (regardless of keyboard mode): |
| 74 | %111110xy ; mouse position record flag |
| 75 | ; where y is the right button state |
| 76 | ; and x is the left button state |
| 77 | X ; delta x as twos complement integer |
| 78 | Y ; delta y as twos complement integer |
| 79 | */ |
| 80 | s_mouse_x += (int)ikbd_packet[1]; |
| 81 | s_mouse_y += (int)ikbd_packet[2]; |
| 82 | if(s_mouse_x < s_mouse_x_min) { |
| 83 | s_mouse_x = s_mouse_x_min; |
| 84 | } else if(s_mouse_x > s_mouse_x_max) { |
| 85 | s_mouse_x = s_mouse_x_max; |
| 86 | } |
| 87 | if(s_mouse_y < s_mouse_y_min) { |
| 88 | s_mouse_y = s_mouse_y_min; |
| 89 | } else if(s_mouse_y > s_mouse_y_max) { |
| 90 | s_mouse_y = s_mouse_y_max; |
| 91 | } |
| 92 | #if 0 |
| 93 | Mouse_EventHandler(s_mouse_x, s_mouse_y, |
| 94 | ikbd_packet[0]&2 /*left*/, ikbd_packet[0]&1 /*right*/); |
| 95 | #endif |
| 96 | s_mouse_left_btn = ikbd_packet[0]&2; |
| 97 | s_mouse_right_btn = ikbd_packet[0]&1; |
| 98 | s_mouse_state_changed = true; |
| 99 | } |
| 100 | |
| 101 | static void Detect_Machine(void) |
| 102 | { |
nothing calls this directly
no test coverage detected