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Diffstat (limited to 'int33.h')
| -rw-r--r-- | int33.h | 197 |
1 files changed, 197 insertions, 0 deletions
@@ -0,0 +1,197 @@ +/* + * VBMouse - int33 API defines + * Copyright (C) 2022 Javier S. Pedro + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + */ +#ifndef INT33_H +#define INT33_H + +enum INT33_API { + /** Reinitializes mouse hardware and resets mouse to default driver values. + * On return, ax = 0xFFFF, bx = number of buttons. */ + INT33_RESET_MOUSE = 0, + + /** Increment the cursor visible counter. The cursor is shown when the counter is >= 0. */ + INT33_SHOW_CURSOR = 1, + /** Decrement the cursor visible counter. The cursor is shown when the counter is >= 0. */ + INT33_HIDE_CURSOR = 2, + + /** Gets the current mouse position and button status. + * @returns cx = horizontal pos, dx = vertical pos, + * bx = button status (bitfield, lsb = button 0/left). */ + INT33_GET_MOUSE_POSITION = 3, + /** Sets the current mouse position. + * @param cx = horizontal pos, dx = vertical pos. */ + INT33_SET_MOUSE_POSITION = 4, + + /** Gets the number of times a mouse button was pressed since the last call. + * @param bx = button number + * @returns ax = current all button status (bitfield), + * bx = count of times button was pressed, + * cx = horizontal pos at last press, + * dx = vetical pos at last press */ + INT33_GET_BUTTON_PRESSED_COUNTER = 5, + /** Gets the number of times a mouse button was released since the last call. + * @param bx = button number + * @returns ax = current all button status (bitfield), + * bx = count of times button was released, + * cx = horizontal pos at last release, + * dx = vetical pos at last release */ + INT33_GET_BUTTON_RELEASED_COUNTER = 6, + + /** @param cx = minimum horizontal position, dx = maximum horizontal position. */ + INT33_SET_HORIZONTAL_WINDOW = 7, + + /** @param cx = minimum vertical position, dx = maximum vertical position. */ + INT33_SET_VERTICAL_WINDOW = 8, + + /** Configures graphicsmode mouse cursor. + * @param bx horizontal hotspot , cx vertical hotspot + * @param es:dx address of cursor shape bitmap */ + INT33_SET_GRAPHICS_CURSOR = 9, + + /** Configures textmode mouse cursor. + * @param bx 1 for hardware cursor, 0 for software cursor + * @param cx for software cursor, AND mask; for hardware cursor, start scanline. + * @param dx for software cursor, XOR mask; for hardware cursor, end scanline. */ + INT33_SET_TEXT_CURSOR = 0xA, + + /** Gets total relative mouse distance (in mickeys) since the last call. + * @param cx horizontal distance , dx vertical distance */ + INT33_GET_MOUSE_MOTION = 0xB, + + /** Replaces the current routine for event handling. + * @param es:dx address of the new event handler + * @param cx event mask (see INT33_EVENT_MASK) */ + INT33_SET_EVENT_HANDLER = 0xC, + + /** Sets the mickey-per-8-pixels ratio, controlling the cursor speed. + * @param cx horizontal speed, dx vertical speed */ + INT33_SET_MOUSE_SPEED = 0xF, + + /** If the mouse is moved more than this mickeys in one second, + * the mouse motion is doubled. + * @param cx doubling threshold (mickeys per second) */ + INT33_SET_SPEED_DOUBLE_THRESHOLD = 0x13, + + /** Replaces the current routine for event handling, + * but also returns the old one. + * @param es:dx address of the new event handler + * @param cx event mask (see INT33_EVENT_MASK) + * @return es:dx address of the previous event handler. */ + INT33_EXCHANGE_EVENT_HANDLER = 0x14, + + /** Query the size of the memory required to save a copy of the mouse status. + * @return bx buffer needed. */ + INT33_GET_MOUSE_STATUS_SIZE = 0x15, + + INT33_SAVE_MOUSE_STATUS = 0x16, + INT33_LOAD_MOUSE_STATUS = 0x17, + + /** Sets both speed and speed-doubling threshold in one call. + * @param bx horizontal speed, cx vertical speed + * @param dx doubling threshold (mickeys per second). */ + INT33_SET_MOUSE_SENSITIVITY = 0x1A, + /** Gets current speed and speed-doubling threshold. + * @return bx horizontal speed, cx vertical speed + * @return dx doubling threshold (mickeys per second). */ + INT33_GET_MOUSE_SENSITIVITY = 0x1B, + + /** Resets mouse to default driver values. + * On return, ax = 0xFFFF, bx = number of buttons. */ + INT33_RESET_SETTINGS = 0x21, + + /** Gets language for messages. + * @return bx language code. */ + INT33_GET_LANGUAGE = 0x23, + + /** Gets driver information. + * On return, bx = major:minor version, ch = INT33_MOUSE_TYPE, CL = irq number (or 0). */ + INT33_GET_DRIVER_INFO = 0x24, + + /** Gets the current video mode maximum X & Y positions. + * @return cx max x, dx max y. */ + INT33_GET_MAX_COORDINATES = 0x26, + + /** Gets the current window coordinates (set by INT33_SET_HORIZONTAL_WINDOW). + * @return ax min_x, bx min_y, cx max_x, d max_y. */ + INT33_GET_WINDOW = 0x31, +}; + +enum INT33_API_INTERNAL { + INT33_GET_TSR_DATA = 0x7f +}; + +enum { + INT33_MOUSE_FOUND = 0xFFFF +}; + +enum INT33_MOUSE_TYPE { + INT33_MOUSE_TYPE_BUS = 1, + INT33_MOUSE_TYPE_SERIAL = 2, + INT33_MOUSE_TYPE_INPORT = 3, + INT33_MOUSE_TYPE_PS2 = 4, + INT33_MOUSE_TYPE_HP = 5 +}; + +enum INT33_BUTTON_MASK { + INT33_BUTTON_MASK_LEFT = 1 << 0, + INT33_BUTTON_MASK_RIGHT = 1 << 1, + INT33_BUTTON_MASK_CENTER = 1 << 2 +}; + +enum INT33_EVENT_MASK { + INT33_EVENT_MASK_MOVEMENT = 1 << 0, + INT33_EVENT_MASK_LEFT_BUTTON_PRESSED = 1 << 1, + INT33_EVENT_MASK_LEFT_BUTTON_RELEASED = 1 << 2, + INT33_EVENT_MASK_RIGHT_BUTTON_PRESSED = 1 << 3, + INT33_EVENT_MASK_RIGHT_BUTTON_RELEASED = 1 << 4, + INT33_EVENT_MASK_CENTER_BUTTON_PRESSED = 1 << 5, + INT33_EVENT_MASK_CENTER_BUTTON_RELEASED = 1 << 6, + + INT33_EVENT_MASK_ALL = 0xFF +}; + +#pragma aux INT33_CB far loadds parm [ax] [bx] [cx] [dx] [si] [di] + +static uint16_t int33_reset(void); +#pragma aux int33_reset = \ + "mov ax, 0x0" \ + "int 0x33" \ + __value [ax] + +static void int33_set_horizontal_window(uint16_t min, uint16_t max); +#pragma aux int33_set_horizontal_window = \ + "mov ax, 0x7" \ + "int 0x33" \ + __parm [cx] [dx] \ + __modify [ax] + +static void int33_set_vertical_window(uint16_t min, uint16_t max); +#pragma aux int33_set_vertical_window = \ + "mov ax, 0x8" \ + "int 0x33" \ + __parm [cx] [dx] \ + __modify [ax] + +static void int33_set_event_handler(uint16_t event_mask, void (__far *handler)()); +#pragma aux int33_set_event_handler = \ + "mov ax, 0xC" \ + "int 0x33" \ + __parm [cx] [es dx] \ + __modify [ax] + +#endif |