Pridana verze v0.1

2026-07-12 05:44:42 +02:00
commit 1266a65b82
40 changed files with 6126 additions and 0 deletions
@@ -0,0 +1,71 @@
+/*
+ * AsterOS Kernel
+ * Autor: Pavel Kalas
+ * Rok: 2026
+ *
+ */
+
+/*
+ * Ukazkova C aplikace nad Aster API. Aplikace predvadi jednoduchou
+ * kalkulacku a muze slouzit jako sablona pro dalsi user-space programy.
+ */
+
+#include "aster_api.h"
+
+static void append_number(char *out, int value) {
+    char tmp[16];
+    int i = 0;
+    int j;
+    int neg = 0;
+
+    if (value == 0) {
+        out[0] = '0';
+        out[1] = '\0';
+        return;
+    }
+
+    if (value < 0) {
+        neg = 1;
+        value = -value;
+    }
+
+    while (value > 0 && i < 15) {
+        tmp[i++] = (char)('0' + (value % 10));
+        value /= 10;
+    }
+
+    j = 0;
+    if (neg) {
+        out[j++] = '-';
+    }
+
+    while (i > 0) {
+        out[j++] = tmp[--i];
+    }
+
+    out[j] = '\0';
+}
+
+void app_calc_main(void) {
+    char n1[16];
+    char n2[16];
+    char nr[16];
+    char line[80];
+    int a = 24;
+    int b = 18;
+    int r = a + b;
+
+    append_number(n1, a);
+    append_number(n2, b);
+    append_number(nr, r);
+
+    line[0] = '\0';
+    aster_api_print("[calc_app] start\n");
+    aster_api_print("[calc_app] ");
+    aster_api_print(n1);
+    aster_api_print(" + ");
+    aster_api_print(n2);
+    aster_api_print(" = ");
+    aster_api_print(nr);
+    aster_api_print("\n");
+}