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-rw-r--r--dostsr.c526
1 files changed, 410 insertions, 116 deletions
diff --git a/dostsr.c b/dostsr.c
index b4d517a..4ec9975 100644
--- a/dostsr.c
+++ b/dostsr.c
@@ -38,13 +38,6 @@ static const uint16_t default_cursor_graphic[] = {
0x0600, 0x0300, 0x0300, 0x0000
};
-/** This is going to end up at offset 0 of our segment,
- * have something here in case we end up calling a NULL near pointer by mistake. */
-void tsr_null(void)
-{
- breakpoint();
-}
-
static void bound_position_to_window(void)
{
if (data.pos.x < data.min.x) data.pos.x = data.min.x;
@@ -53,6 +46,202 @@ static void bound_position_to_window(void)
if (data.pos.y > data.max.y) data.pos.y = data.max.y;
}
+static inline bool is_text_mode(uint8_t mode)
+{
+ switch (mode) {
+ case 0:
+ case 1:
+ case 2:
+ case 3: // CGA text modes with 25 rows and variable columns
+ case 7: // MDA Mono text mode
+ return true;
+ default:
+ return false;
+ }
+}
+
+static void hide_text_cursor(void)
+{
+ // Restore the character under the old position of the cursor
+ uint16_t __far *ch = get_video_char(data.screen_page,
+ data.cursor_pos.x / 8, data.cursor_pos.y / 8);
+ *ch = data.cursor_prev_char;
+ data.cursor_visible = false;
+}
+
+static void show_text_cursor(void)
+{
+ uint16_t __far *ch = get_video_char(data.screen_page,
+ data.pos.x / 8, data.pos.y / 8);
+ data.cursor_prev_char = *ch;
+ data.cursor_pos = data.pos;
+ *ch = (*ch & data.cursor_text_and_mask) ^ data.cursor_text_xor_mask;
+ data.cursor_visible = true;
+}
+
+static bool get_graphic_cursor_area(struct point __far *cursor_pos,
+ struct point __far *start,
+ struct point __far *size,
+ struct point __far *offset)
+{
+ struct point screen_size;
+ screen_size.x = ((data.screen_max.x + 1) / data.screen_scale.x);
+ screen_size.y = ((data.screen_max.y + 1) / data.screen_scale.y);
+
+ start->x = (cursor_pos->x / data.screen_scale.x) - data.cursor_hotspot.x;
+ start->y = (cursor_pos->y / data.screen_scale.y) - data.cursor_hotspot.y;
+ size->x = GRAPHIC_CURSOR_WIDTH;
+ size->y = GRAPHIC_CURSOR_HEIGHT;
+ offset->x = 0;
+ offset->y = 0;
+
+ // Start clipping around
+ if (start->x < 0) {
+ offset->x += -start->x;
+ start->x = 0;
+ }
+ if (start->y < 0) {
+ offset->y += -start->y;
+ start->y = 0;
+ }
+ if (start->x > screen_size.x) {
+ return false; // Don't render cursor
+ } else if (start->x + size->x > screen_size.x) {
+ size->x -= (start->x + size->x) - screen_size.x;
+ }
+ if (start->y > screen_size.y) {
+ return false;
+ } else if (start->y + size->y > screen_size.y) {
+ size->y -= (start->y + size->y) - screen_size.y;
+ }
+
+ return true;
+}
+
+static inline uint8_t * get_prev_graphic_cursor_scanline(unsigned y)
+{
+ return &data.cursor_prev_graphic[y * GRAPHIC_CURSOR_WIDTH];
+}
+
+static inline uint16_t get_graphic_cursor_and_mask(unsigned y)
+{
+ return data.cursor_graphic[y];
+}
+
+static inline uint16_t get_graphic_cursor_xor_mask(unsigned y)
+{
+ return data.cursor_graphic[GRAPHIC_CURSOR_HEIGHT + y];
+}
+
+static void hide_graphic_cursor(void)
+{
+ uint8_t __far *pixel;
+ uint8_t *cursor_prev;
+ struct point start, size, offset;
+ unsigned pixels_per_byte, y, x;
+
+ // Compute the area where the cursor is currently positioned
+ if (!get_graphic_cursor_area(&data.cursor_pos, &start, &size, &offset)) {
+ return;
+ }
+
+ switch (data.screen_mode) {
+ case 4:
+ case 5:
+ case 6: // CGA modes
+ pixels_per_byte = data.screen_mode == 0x6 ? 8 : 4;
+
+ for (y = 0; y < size.y; y++) {
+ cursor_prev = get_prev_graphic_cursor_scanline(offset.y + y);
+ pixel = get_video_scanline(data.screen_mode, data.screen_page, start.y + y)
+ + start.x / pixels_per_byte;
+
+ // Restore this scaline from cursor_prev
+ nfmemcpy(pixel, cursor_prev,
+ ((start.x % pixels_per_byte) + size.x + (pixels_per_byte - 1)) / pixels_per_byte);
+ }
+
+ break;
+ }
+
+ data.cursor_visible = false;
+}
+
+static void show_graphic_cursor(void)
+{
+ static const uint16_t msb_mask = 0x8000;
+ uint16_t cursor_and_mask, cursor_xor_mask;
+ uint8_t __far *pixel, pixel_mask;
+ uint8_t *cursor_prev;
+ struct point start, size, offset;
+ unsigned pixels_per_byte, x, y;
+
+ // Compute the area where the cursor is supposed to be drawn
+ if (!get_graphic_cursor_area(&data.pos, &start, &size, &offset)) {
+ return;
+ }
+
+ switch (data.screen_mode) {
+ case 4:
+ case 5:
+ case 6: // CGA modes
+ pixels_per_byte = data.screen_mode == 0x6 ? 8 : 4;
+
+ for (y = 0; y < size.y; y++) {
+ cursor_and_mask = get_graphic_cursor_and_mask(offset.y + y) << offset.x;
+ cursor_xor_mask = get_graphic_cursor_xor_mask(offset.y + y) << offset.y;
+ cursor_prev = get_prev_graphic_cursor_scanline(offset.y + y);
+ pixel = get_video_scanline(data.screen_mode, data.screen_page, start.y + y)
+ + start.x / pixels_per_byte;
+
+ // First copy this scanline to cursor_prev before any changes
+ fnmemcpy(cursor_prev, pixel,
+ ((start.x % pixels_per_byte) + size.x + (pixels_per_byte - 1)) / pixels_per_byte);
+
+ // pixel points the previous multiple of pixels_per_byte;
+ // now advance to the start of cursor while updating the pixel_mask
+ pixel_mask = pixels_per_byte == 8 ? 0x80 : 0xC0;
+ for (x = 0; x < (start.x % pixels_per_byte); x++) {
+ pixel_mask >>= 8 / pixels_per_byte;
+ }
+
+ // Now pixel points to the start of cursor
+ for (; x < (start.x % pixels_per_byte) + size.x; x++) {
+ uint8_t rest = *pixel & ~pixel_mask;
+
+ if (!(cursor_and_mask & msb_mask)) {
+ *pixel = rest;
+ }
+ if (cursor_xor_mask & msb_mask) {
+ *pixel = rest | (*pixel ^ 0xFF) & pixel_mask;
+ }
+
+ // Advance to the next pixel
+ if (x % pixels_per_byte == pixels_per_byte - 1) {
+ // Next iteration starts new byte, reload pixel_mask
+ pixel++;
+ pixel_mask = pixels_per_byte == 8 ? 0x80 : 0xC0;
+ } else {
+ pixel_mask >>= 8 / pixels_per_byte;
+ }
+
+ // Advance to the next bit in the cursor mask
+ cursor_and_mask <<= 1;
+ cursor_xor_mask <<= 1;
+ }
+ }
+ break;
+ default:
+ dlog_print("Graphic mode 0x");
+ dlog_printx(data.screen_mode);
+ dlog_puts(" not supported");
+ return;
+ }
+
+ data.cursor_pos = data.pos;
+ data.cursor_visible = true;
+}
+
/** Refreshes cursor position and visibility. */
static void refresh_cursor(void)
{
@@ -74,25 +263,45 @@ static void refresh_cursor(void)
}
#endif
- if (data.screen_text_mode) {
+ if (is_text_mode(data.screen_mode)) {
if (data.cursor_visible) {
- // Restore the character under the old position of the cursor
- uint16_t __far *ch = get_video_char(data.screen_page,
- data.cursor_pos.x / 8, data.cursor_pos.y / 8);
- *ch = data.cursor_prev_char;
+ // Hide the cursor at the old position if any
+ hide_text_cursor();
+ }
+ if (should_show) {
+ // Show the cursor at the new position
+ show_text_cursor();
+ }
+ } else {
+ if (data.cursor_visible) {
+ hide_graphic_cursor();
+ }
+ if (should_show) {
+ show_graphic_cursor();
+ }
+ }
+}
+
+/** Forcefully hides the mouse cursor if shown. */
+static void hide_cursor(void)
+{
+#if USE_VIRTUALBOX
+ if (data.vbwantcursor) {
+ vbox_set_pointer_visible(&data.vb, false);
+ if (data.vbhaveabs) {
data.cursor_visible = false;
}
+ }
+#endif
- if (should_show) {
- uint16_t __far *ch = get_video_char(data.screen_page,
- data.pos.x / 8, data.pos.y / 8);
- data.cursor_prev_char = *ch;
- data.cursor_pos = data.pos;
- *ch = (*ch & data.cursor_text_and_mask) ^ data.cursor_text_xor_mask;
- data.cursor_visible = true;
+ if (is_text_mode(data.screen_mode)) {
+ if (data.cursor_visible) {
+ hide_text_cursor();
}
} else {
- dlog_puts("Graphic mode cursor is not implemented");
+ if (data.cursor_visible) {
+ hide_graphic_cursor();
+ }
}
}
@@ -101,11 +310,11 @@ static void load_cursor(void)
#if USE_VIRTUALBOX
if (data.vbwantcursor) {
VMMDevReqMousePointer *req = (VMMDevReqMousePointer *) data.vb.buf;
- const unsigned width = 16, height = 16;
- unsigned and_mask_size = (width + 7) / 8 * height;
- unsigned xor_mask_size = width * height * 4;
- unsigned data_size = and_mask_size + xor_mask_size;
- unsigned full_size = MAX(sizeof(VMMDevReqMousePointer), 24 + 20 + data_size);
+ const unsigned width = GRAPHIC_CURSOR_WIDTH, height = GRAPHIC_CURSOR_HEIGHT;
+ const unsigned and_mask_size = (width + 7) / 8 * height;
+ const unsigned xor_mask_size = width * height * 4;
+ const unsigned data_size = and_mask_size + xor_mask_size;
+ const unsigned full_size = MAX(sizeof(VMMDevReqMousePointer), 24 + 20 + data_size);
unsigned int offset = 0, y, x;
bzero(req, full_size);
@@ -121,17 +330,17 @@ static void load_cursor(void)
req->width = width;
req->height = height;
- // Just byteswap the and mask
+ // Just byteswap the AND mask
for (y = 0; y < height; ++y) {
- uint16_t line = data.cursor_graphic[y];
+ uint16_t line = get_graphic_cursor_and_mask(y);
req->pointerData[(y*2)] = (line >> 8) & 0xFF;
req->pointerData[(y*2)+1] = line & 0xFF;
}
offset += and_mask_size;
- // Store the XOR mask in "RGBA" format.
+ // But the XOR mask needs to be converted to huge 4-byte "RGBA" format.
for (y = 0; y < height; ++y) {
- uint16_t line = data.cursor_graphic[height + y];
+ uint16_t line = get_graphic_cursor_xor_mask(y);
for (x = 0; x < width; ++x) {
unsigned int pos = offset + (y * width * 4) + (x*4) + 0;
@@ -154,8 +363,9 @@ static void load_cursor(void)
dlog_puts("Could not send cursor to VirtualBox");
}
- // VirtualBox shows the cursor even if we don't want;
- // rehide if necessary.
+ // After we send this message, it looks like VirtualBox shows the cursor
+ // even if we didn't actually want it to be visible at this point.
+ // Mark it as visible so that refresh_cursor() will rehide it if necessary.
data.cursor_visible = true;
refresh_cursor();
}
@@ -164,9 +374,8 @@ static void load_cursor(void)
static void refresh_video_info(void)
{
- uint8_t screen_columns;
- uint8_t video_page;
- uint8_t mode = int10_get_video_mode(&screen_columns, &video_page);
+ uint8_t screen_columns = bda_get_num_columns();
+ uint8_t mode = bda_get_video_mode() & ~0x80;
bool mode_change = mode != data.screen_mode;
if (mode_change && data.cursor_visible) {
@@ -177,69 +386,79 @@ static void refresh_video_info(void)
dlog_print("Current video mode=");
dlog_printx(mode);
dlog_print(" with cols=");
- dlog_printd(screen_columns, 10);
+ dlog_printd(screen_columns);
dlog_endline();
data.screen_mode = mode;
- data.screen_page = video_page;
+ data.screen_page = bda_get_cur_video_page();
+ data.screen_scale.x = 1;
+ data.screen_scale.y = 1;
+ // Compute screen coordinates which are used to events from
+ // absolute mouse coordinates.
switch (mode) {
case 0:
case 1:
case 2:
- case 3: /* VGA text modes with 25 rows and variable columns */
+ case 3: // CGA text modes with 25 rows and variable columns
+ case 7: // MDA Mono text mode
data.screen_max.x = (screen_columns * 8) - 1;
data.screen_max.y = (25 * 8) - 1;
- data.screen_text_mode = true;
break;
case 4:
- case 5:
- case 6: /* Graphic CGA modes */
+ case 5: // CGA low-res modes
+ case 0xd: // EGA low-res mode
data.screen_max.x = 640 - 1;
data.screen_max.y = 200 - 1;
- data.screen_text_mode = false;
+ data.screen_scale.x = 2; // Really 320x200
+ break;
+
+ case 6: // CGA hi-res mode
+ case 0xe: // EGA modes
+ case 0x13: // VGA 256color mode
+ data.screen_max.x = 640 - 1;
+ data.screen_max.y = 200 - 1;
+ break;
+
+ case 0xf:
+ case 0x10: // EGA 640x350 modes
+ data.screen_max.x = 640 - 1;
+ data.screen_max.y = 350 - 1;
break;
case 0x11:
- case 0x12:
- case 0x13: /* Graphical 640x480 modes. */
+ case 0x12: // VGA 640x480 modes
data.screen_max.x = 640 - 1;
data.screen_max.y = 480 - 1;
- data.screen_text_mode = false;
break;
default:
- data.screen_max.x = 0;
- data.screen_max.y = 0;
- data.screen_text_mode = false;
+ // Unknown mode; assume default coordinates
+ // Note that if program sets up larger window coordinates, we'll use that instead.
+ data.screen_max.x = 640 - 1;
+ data.screen_max.y = 200 - 1;
break;
}
-
- dlog_print(" screen_x=");
- dlog_printd(data.screen_max.x, 10);
- dlog_print(" y=");
- dlog_printd(data.screen_max.y, 10);
- dlog_endline();
}
static void call_event_handler(void (__far *handler)(), uint16_t events,
uint16_t buttons, int16_t x, int16_t y,
int16_t delta_x, int16_t delta_y)
{
-#if TOO_VERBOSE
+#if TRACE_EVENT
dlog_print("calling event handler events=");
dlog_printx(events);
dlog_print(" buttons=");
dlog_printx(buttons);
dlog_print(" x=");
- dlog_printd(x, 10);
+ dlog_printd(x);
dlog_print(" y=");
- dlog_printd(y, 10);
+ dlog_printd(y);
dlog_print(" dx=");
- dlog_printd(delta_x, 10);
+ dlog_printd(delta_x);
dlog_print(" dy=");
- dlog_printd(delta_y, 10);
+ dlog_printd(delta_y);
dlog_endline();
#endif
@@ -255,41 +474,53 @@ static void call_event_handler(void (__far *handler)(), uint16_t events,
}
}
-static void handle_mouse_event(uint8_t buttons, bool absolute, int x, int y, int z)
+static void handle_mouse_event(uint16_t buttons, bool absolute, int x, int y, int z)
{
uint16_t events = 0;
int i;
-#if TOO_VERBOSE
+#if TRACE_EVENT
dlog_print("handle mouse event");
if (absolute) dlog_print(" absolute");
dlog_print(" buttons=");
dlog_printx(buttons);
dlog_print(" x=");
- dlog_printd(x, 10);
+ dlog_printd(x);
dlog_print(" y=");
- dlog_printd(y, 10);
+ dlog_printd(y);
+ dlog_print(" z=");
+ dlog_printd(z);
dlog_endline();
#endif
if (absolute) {
// Absolute movement: x,y are in screen pixels units
- // Translate to mickeys for delta movement
- // TODO: we are not storing the remainder here (e.g. delta_frac),
- // but does anyone care about it ?
- data.delta.x += ((x - data.pos.x) * 8) / data.mickeysPerLine.x;
- data.delta.y += ((y - data.pos.y) * 8) / data.mickeysPerLine.y;
-
- // Store the new absolute position
- data.pos.x = x;
- data.pos.y = y;
- data.pos_frac.x = 0;
- data.pos_frac.y = 0;
- } else {
+ events |= INT33_EVENT_MASK_ABSOLUTE;
+
+ if (x != data.pos.x || y != data.pos.y) {
+ events |= INT33_EVENT_MASK_MOVEMENT;
+
+ // Simulate a fake relative movement in mickeys
+ // This is almost certainly broken.
+ // Programs that expect relative movement data
+ // will almost never set a mickeyPerPixel value.
+ // So all we can do is guess.
+ data.delta.x += (x - data.pos.x) * 8;
+ data.delta.y += (y - data.pos.y) * 8;
+
+ // Store the new absolute position
+ data.pos.x = x;
+ data.pos.y = y;
+ data.pos_frac.x = 0;
+ data.pos_frac.y = 0;
+ }
+ } else if (x || y) {
// Relative movement: x,y are in mickeys
uint16_t ticks = bda_get_tick_count_lo();
unsigned ax = ABS(x), ay = ABS(y);
+ events |= INT33_EVENT_MASK_MOVEMENT;
+
// Check if around one second has passed
if ((ticks - data.last_ticks) >= 18) {
data.total_motion = 0;
@@ -306,18 +537,20 @@ static void handle_mouse_event(uint8_t buttons, bool absolute, int x, int y, int
data.delta.x += x;
data.delta.y += y;
+ data.delta_frac.x = 0;
+ data.delta_frac.y = 0;
- data.pos.x += scalei_rem(x, 8, data.mickeysPerLine.x, &data.pos_frac.x);
- data.pos.y += scalei_rem(y, 8, data.mickeysPerLine.y, &data.pos_frac.y);
+ // Convert mickeys into pixels
+ data.pos.x += scalei_rem(x, data.mickeysPerLine.x, 8, &data.pos_frac.x);
+ data.pos.y += scalei_rem(y, data.mickeysPerLine.y, 8, &data.pos_frac.y);
}
- bound_position_to_window();
- // TODO: Wheel
- (void) z;
+ bound_position_to_window();
- // Report movement if there was any
- if (data.delta.x || data.delta.y) {
- events |= INT33_EVENT_MASK_MOVEMENT;
+ if (data.haswheel && z) {
+ events |= INT33_EVENT_MASK_WHEEL_MOVEMENT;
+ // Higher byte of buttons contains wheel movement
+ buttons |= (z & 0xFF) << 8;
}
// Update button status
@@ -337,25 +570,16 @@ static void handle_mouse_event(uint8_t buttons, bool absolute, int x, int y, int
data.button[i].released.last.x = data.pos.x;
data.button[i].released.last.y = data.pos.y;
}
- if (evt & data.event_mask) {
- events |= evt;
- }
+ events |= evt;
}
data.buttons = buttons;
refresh_cursor();
events &= data.event_mask;
-
if (data.event_handler && events) {
call_event_handler(data.event_handler, events,
buttons, data.pos.x, data.pos.y, data.delta.x, data.delta.y);
-
- // If we succesfully reported movement, clear it to avoid reporting movement again
- if (events & INT33_EVENT_MASK_MOVEMENT) {
- //data.delta.x = 0;
- //data.delta.y = 0;
- }
}
}
@@ -365,17 +589,18 @@ static void __far ps2_mouse_callback(uint8_t status, uint8_t x, uint8_t y, uint8
int sx = status & PS2M_STATUS_X_NEG ? 0xFF00 | x : x;
int sy = -(status & PS2M_STATUS_Y_NEG ? 0xFF00 | y : y);
+ int sz = z;
bool abs = false;
-#if TOO_VERBOSE
+#if TRACE_EVENT
dlog_print("ps2 callback status=");
dlog_printx(status);
dlog_print(" sx=");
- dlog_printd(sx, 10);
+ dlog_printd(sx);
dlog_print(" sy=");
- dlog_printd(sy, 10);
- dlog_print(" z=");
- dlog_printd(z, 10);
+ dlog_printd(sy);
+ dlog_print(" sz=");
+ dlog_printd(z);
dlog_endline();
#endif
@@ -394,8 +619,15 @@ static void __far ps2_mouse_callback(uint8_t status, uint8_t x, uint8_t y, uint8
}
#endif
+ // VirtualBox/Bochs BIOS does not pass wheel data to the callback,
+ // so we will fetch it directly from the BIOS data segment.
+ if (data.haswheel && !sz) {
+ int8_t __far * mouse_packet = MK_FP(bda_get_ebda_segment(), 0x28);
+ sz = mouse_packet[3];
+ }
+
handle_mouse_event(status & (PS2M_STATUS_BUTTON_1 | PS2M_STATUS_BUTTON_2 | PS2M_STATUS_BUTTON_3),
- abs, sx, sy, z);
+ abs, sx, sy, sz);
}
#if USE_VIRTUALBOX
@@ -425,8 +657,14 @@ static void reset_mouse_hardware()
load_cursor();
#endif
- ps2m_init(PS2_MOUSE_PLAIN_PACKET_SIZE);
- ps2m_reset();
+ if (data.usewheel && ps2m_detect_wheel()) {
+ // Detect wheel also reinitializes the mouse to the proper packet size
+ data.haswheel = true;
+ } else {
+ // Otherwise do an extra reset to return back to initial state, just in case
+ data.haswheel = false;
+ ps2m_init(PS2M_PACKET_SIZE_PLAIN);
+ }
ps2m_set_resolution(3); // 3 = 200 dpi, 8 counts per millimeter
ps2m_set_sample_rate(4); // 4 = 80 reports per second
@@ -455,7 +693,7 @@ static void reset_mouse_settings()
data.cursor_text_xor_mask = 0x7700U;
data.cursor_hotspot.x = 0;
data.cursor_hotspot.y = 0;
- nnmemcpy(data.cursor_graphic, default_cursor_graphic, 32+32);
+ nnmemcpy(data.cursor_graphic, default_cursor_graphic, sizeof(data.cursor_graphic));
refresh_cursor(); // This will hide the cursor and update data.cursor_visible
}
@@ -465,10 +703,12 @@ static void reset_mouse_state()
int i;
data.pos.x = data.min.x;
data.pos.y = data.min.y;
+ data.pos_frac.x = 0;
+ data.pos_frac.y = 0;
data.delta.x = 0;
data.delta.y = 0;
- data.delta.x = 0;
- data.delta.y = 0;
+ data.delta_frac.x = 0;
+ data.delta_frac.y = 0;
data.buttons = 0;
for (i = 0; i < NUM_BUTTONS; i++) {
data.button[i].pressed.count = 0;
@@ -482,6 +722,7 @@ static void reset_mouse_state()
data.cursor_pos.x = 0;
data.cursor_pos.y = 0;
data.cursor_prev_char = 0;
+ bzero(data.cursor_prev_graphic, sizeof(data.cursor_prev_graphic));
}
static void return_clear_button_counter(union INTPACK __far *r, struct buttoncounter *c)
@@ -523,8 +764,12 @@ static void int33_handler(union INTPACK r)
case INT33_SET_MOUSE_POSITION:
data.pos.x = r.x.cx;
data.pos.y = r.x.dx;
+ data.pos_frac.x = 0;
+ data.pos_frac.y = 0;
data.delta.x = 0;
data.delta.y = 0;
+ data.delta_frac.x = 0;
+ data.delta_frac.y = 0;
bound_position_to_window();
break;
case INT33_GET_BUTTON_PRESSED_COUNTER:
@@ -537,9 +782,9 @@ static void int33_handler(union INTPACK r)
break;
case INT33_SET_HORIZONTAL_WINDOW:
dlog_print("Mouse set horizontal window [");
- dlog_printd(r.x.cx, 10);
+ dlog_printd(r.x.cx);
dlog_putc(',');
- dlog_printd(r.x.dx, 10);
+ dlog_printd(r.x.dx);
dlog_puts("]");
// Recheck in case someone changed the video mode
refresh_video_info();
@@ -549,9 +794,9 @@ static void int33_handler(union INTPACK r)
break;
case INT33_SET_VERTICAL_WINDOW:
dlog_print("Mouse set vertical window [");
- dlog_printd(r.x.cx, 10);
+ dlog_printd(r.x.cx);
dlog_putc(',');
- dlog_printd(r.x.dx, 10);
+ dlog_printd(r.x.dx);
dlog_puts("]");
refresh_video_info();
data.min.y = r.x.cx;
@@ -560,6 +805,7 @@ static void int33_handler(union INTPACK r)
break;
case INT33_SET_GRAPHICS_CURSOR:
dlog_puts("Mouse set graphics cursor");
+ hide_cursor();
data.cursor_hotspot.x = r.x.bx;
data.cursor_hotspot.y = r.x.cx;
fnmemcpy(data.cursor_graphic, MK_FP(r.x.es, r.x.dx), 64);
@@ -568,8 +814,9 @@ static void int33_handler(union INTPACK r)
break;
case INT33_SET_TEXT_CURSOR:
dlog_print("Mouse set text cursor ");
- dlog_printd(r.x.bx, 10);
+ dlog_printd(r.x.bx);
dlog_endline();
+ hide_cursor();
data.cursor_text_type = r.x.bx;
data.cursor_text_and_mask = r.x.cx;
data.cursor_text_xor_mask = r.x.dx;
@@ -592,16 +839,16 @@ static void int33_handler(union INTPACK r)
break;
case INT33_SET_MOUSE_SPEED:
dlog_print("Mouse set speed x=");
- dlog_printd(r.x.cx, 10);
+ dlog_printd(r.x.cx);
dlog_print(" y=");
- dlog_printd(r.x.dx, 10);
+ dlog_printd(r.x.dx);
dlog_endline();
data.mickeysPerLine.x = r.x.cx;
data.mickeysPerLine.y = r.x.dx;
break;
case INT33_SET_SPEED_DOUBLE_THRESHOLD:
dlog_print("Mouse set speed double threshold=");
- dlog_printd(r.x.dx, 10);
+ dlog_printd(r.x.dx);
dlog_endline();
data.doubleSpeedThreshold = r.x.dx;
break;
@@ -629,11 +876,11 @@ static void int33_handler(union INTPACK r)
break;
case INT33_SET_MOUSE_SENSITIVITY:
dlog_print("Mouse set speed x=");
- dlog_printd(r.x.bx, 10);
+ dlog_printd(r.x.bx);
dlog_print(" y=");
- dlog_printd(r.x.cx, 10);
+ dlog_printd(r.x.cx);
dlog_print(" threshold=");
- dlog_printd(r.x.dx, 10);
+ dlog_printd(r.x.dx);
dlog_endline();
data.mickeysPerLine.x = r.x.bx;
data.mickeysPerLine.y = r.x.cx;
@@ -657,8 +904,8 @@ static void int33_handler(union INTPACK r)
break;
case INT33_GET_DRIVER_INFO:
dlog_puts("Mouse get driver info");
- r.h.bh = DRIVER_VERSION_MAJOR;
- r.h.bl = DRIVER_VERSION_MINOR;
+ r.h.bh = REPORTED_VERSION_MAJOR;
+ r.h.bl = REPORTED_VERSION_MINOR;
r.h.ch = INT33_MOUSE_TYPE_PS2;
r.h.cl = 0;
break;
@@ -710,6 +957,53 @@ void __declspec(naked) __far int33_isr(void)
}
}
+#if USE_INT2F
+static void int2f_handler(union INTPACK r)
+#pragma aux int2f_handler "*" parm caller [] modify [ax bx cx dx es]
+{
+}
+
+void __declspec(naked) __far int2f_isr(void)
+{
+ __asm {
+ ; Space for the pointer to the next ISR in the chain
+ push dword ptr 0
+
+ ; Save all registers (also acts as the INTPACK paramenter later)
+ pusha
+ push ds
+ push es
+ push fs
+ push gs
+
+ mov bp, sp
+ push cs
+ pop ds
+
+ ; Load the address of the next ISR in the chain
+ ; Stack looks like sp+0: gs, fs, es, ds (4*2bytes)
+ ; sp+8: pusha (8 * 2bytes)
+ ; sp+24: dword ptr (the space we reserved to store the next ISR)
+ mov ax, word ptr [data + 4] ; i.e. data.prev_int2f_handler -- Watcom doesn't support structs
+ mov [bp + 24], ax
+ mov ax, word ptr [data + 6] ; i.e. data.prev_int2f_handler[2]
+ mov [bp + 26], ax
+
+ ; Now call our handler
+ call int2f_handler
+
+ pop gs
+ pop fs
+ pop es
+ pop ds
+ popa
+
+ ; This will jump to the address of the next ISR we loaded before
+ retf
+ }
+}
+#endif
+
static LPTSRDATA int33_get_tsr_data(void);
#pragma aux int33_get_tsr_data = \
"xor ax, ax" \
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-08 00:49:32 +0000