add keyboard and mouse tests

TEST/HELPERS.C

@@ -0,0 +1,28 @@
+#include "helpers.h"
+#include "dgl.h"
+#include <conio.h>
+#include <dos.h>
+#include <stdio.h>
+
+void clrscr(unsigned char attr) {
+    union REGS r;
+    r.h.ah = 6;
+    r.h.al = 0;      // 0 = clear
+    r.h.ch = 0;      // y1
+    r.h.cl = 0;      // x1
+    r.h.dh = 24;     // y2
+    r.h.dl = 79;     // x2
+    r.h.bh = attr;   // attr (char + color) to fill with
+    int386(0x10, &r, &r);
+    gotoxy(0, 0);
+}
+
+void gotoxy(int x, int y) {
+    union REGS r;
+    r.h.ah = 2;
+    r.h.bh = 0;
+    r.h.dh = y;
+    r.h.dl = x;
+    int386(0x10, &r, &r);
+}
+

TEST/HELPERS.H

@@ -21,3 +21,6 @@ extern void _breakpoint();
 
 #endif
 
+void clrscr(unsigned char attr);
+void gotoxy(int x, int y);
+

TEST/KBRD.C

@@ -0,0 +1,63 @@
+#include "kbrd.h"
+#include "dgl.h"
+#include <dos.h>
+#include <stdio.h>
+#include "helpers.h"
+
+void display_key_states(void) {
+    int x, y;
+
+    gotoxy(0, 2);
+    for (y = 0; y < 8; ++y) {
+        for (x = 0; x < 16; ++x) {
+            unsigned char pressed;
+            pressed = keys[y * 16 + x] > 0;
+            printf("%d", pressed);
+        }
+        printf("\n");
+    }
+}
+
+void test_keyboard(void) {
+    boolean result;
+    KEY k;
+
+    clrscr(0);
+
+    ASSERT(keyboard_is_initialized() == FALSE);
+
+    result = keyboard_init();
+    ASSERT(result == TRUE);
+    ASSERT(keyboard_is_initialized() == TRUE);
+
+    printf("Keyboard state\n");
+    display_key_states();
+
+    while (!keys[1]) {
+        display_key_states();
+    }
+
+    // delay to give enough time for key to be released before next ...
+    delay(500);
+
+    gotoxy(0, 18);
+    printf("Press any key ...\n");
+
+    k = keyboard_read_key();
+    printf("Pressed key %d\n", k);
+
+    // same thing, giving enough time for key to be released ...
+    delay(500);
+    printf("Press that same key again ...\n");
+    keyboard_wait_for_key(k);
+
+    result = keyboard_shutdown();
+    ASSERT(result == TRUE);
+    ASSERT(keyboard_is_initialized() == FALSE);
+
+    gotoxy(0, 23);
+    printf("Press a key to continue...\n");
+
+    getch();
+}
+

TEST/KBRD.H

@@ -0,0 +1,7 @@
+#ifndef DGL_TEST_KBRD_H_INCLUDED
+#define DGL_TEST_KBRD_H_INCLUDED
+
+void test_keyboard(void);
+
+#endif
+

TEST/MAKEFILE

@@ -4,7 +4,10 @@ target_name = test
 
 object_files = blit.obj &
                fixed.obj &
+               helpers.obj &
+               kbrd.obj &
                line.obj &
+               mouse.obj &
                pal.obj &
                pcx.obj &
                pset.obj &

TEST/MOUSE.C

@@ -0,0 +1,48 @@
+#include "mouse.h"
+#include "dgl.h"
+#include <dos.h>
+#include <stdio.h>
+#include "helpers.h"
+
+void test_mouse(void) {
+    boolean result;
+
+    clrscr(0);
+
+    ASSERT(mouse_is_initialized() == FALSE);
+
+    result = mouse_init();
+    ASSERT(result == TRUE);
+    ASSERT(mouse_is_initialized() == TRUE);
+
+    // this may seem a little weird to check for a mouse AFTER init, but
+    // it's the init call that determines if a mouse is present :)
+    if (mouse_is_present()) {
+        printf("Mouse detected. Showing mouse state.\n");
+
+        mouse_show();
+
+        while (!kbhit()) {
+            gotoxy(0, 2);
+            printf("X: %03d\n", mouse_x);
+            printf("Y: %03d\n", mouse_y);
+            printf("Buttons: %03d\n", mouse_buttons);
+        }
+
+        mouse_hide();
+
+    } else {
+        printf("Mouse not detected. Skipping.\n");
+    }
+
+    // need to close down the mouse subsystem even if one is not present
+    result = mouse_shutdown();
+    ASSERT(result == TRUE);
+    ASSERT(mouse_is_initialized() == FALSE);
+
+    gotoxy(0, 23);
+    printf("Press a key to continue...\n");
+
+    getch();
+}
+

TEST/MOUSE.H

@@ -0,0 +1,7 @@
+#ifndef DGL_TEST_MOUSE_H_INCLUDED
+#define DGL_TEST_MOUSE_H_INCLUDED
+
+void test_mouse(void);
+
+#endif
+

TEST/TEST.C

@@ -3,16 +3,18 @@
 #include "dgl.h"
 #include "helpers.h"
 
-#include "fixed.h"
-#include "vector2.h"
-#include "surface.h"
-#include "pset.h"
-#include "line.h"
-#include "rect.h"
 #include "blit.h"
-#include "text.h"
+#include "fixed.h"
+#include "kbrd.h"
+#include "line.h"
+#include "mouse.h"
 #include "pal.h"
 #include "pcx.h"
+#include "pset.h"
+#include "rect.h"
+#include "surface.h"
+#include "text.h"
+#include "vector2.h"
 
 SURFACE *backbuffer = NULL;
 
@@ -39,6 +41,8 @@ int main(void) {
     ASSERT(backbuffer != NULL);
     ASSERT(backbuffer->width == 320 && backbuffer->height == 200);
 
+    test_keyboard();
+    test_mouse();
     test_fixed();
     test_vector2i();
     test_vector2f();