From 11479175803527f499ab17d5ea166ac181b59a6c Mon Sep 17 00:00:00 2001
From: Adam Greenwood-Byrne <adam@isometim.es>
Date: Wed, 7 Apr 2021 19:48:53 +0100
Subject: [PATCH] Added samples/wgt15.c and samples/wgt16.c

---
 part12-wgt/samples/wgt15.c | 83 +++++++++++++++++++++++++++++++++++++
 part12-wgt/samples/wgt16.c | 85 ++++++++++++++++++++++++++++++++++++++
 2 files changed, 168 insertions(+)
 create mode 100644 part12-wgt/samples/wgt15.c
 create mode 100644 part12-wgt/samples/wgt16.c

diff --git a/part12-wgt/samples/wgt15.c b/part12-wgt/samples/wgt15.c
new file mode 100644
index 0000000..1e17720
--- /dev/null
+++ b/part12-wgt/samples/wgt15.c
@@ -0,0 +1,83 @@
+#include "include/wgt.h"
+#include "include/mem.h"
+#include "include/multicore.h"
+
+// ######## REQUIRED FUNCTIONS ########
+
+unsigned long state0 = 1000;
+unsigned long state1 = 2000;
+
+unsigned long rand(void)
+{
+    unsigned long s1 = state0;
+    unsigned long s0 = state1;
+
+    state0 = s0;
+    s1 ^= s1 << 23;
+    s1 ^= s1 >> 17;
+    s1 ^= s0;
+    s1 ^= s0 >> 26;
+    state1 = s1;
+
+    return state0 + state1;
+}
+
+// ######## STUB FUNCTIONS ########
+
+unsigned int kb = 0;
+
+unsigned int kbhit(void) {
+    kb++;
+    return kb / 500;
+}
+
+void getch(void) {
+    wait_msec(0x500000);
+    kb = 0;
+}
+
+// ######## WGT EXAMPLES ########
+
+void wgt15()
+{
+  short y;
+  block screen1;
+  
+  set_clock_rate(get_max_clock());
+  mem_init();
+  vga256 ();                    /* Initializes WGT system       */
+
+  start_core2(minit);           // Start the comms engine (core 2)
+  while (!comms_up);            // Wait for comms up
+
+  screen1 = wnewblock (0, 0, 119, 129);
+  /* Virtual screens can now be any size, as long as they fit within one
+     segment (64k) */
+
+  wtextcolor (vgapal[15]);
+  wouttextxy (0, 0, NULL, "Click the mouse button in a few seconds");
+  wsetscreen (screen1);		/* sets to screen1 */
+
+  for (y = 0; y < 200; y++)
+    {
+     wsetcolor (vgapal[y]);
+     wline (0, 0, 319, y);	/* draw something on another screen */
+     wline (319, 199, 0, y);
+    }
+
+  while (!but); // wait for a mouse press
+
+  /* now use putblock to show what happened on the other screen */
+
+  wnormscreen ();		/* make the putblock go onto the default screen */
+  wputblock (0, 10, screen1, 0);
+
+  wfreeblock (screen1);
+  /* remember to free that memory (64004 bytes for a screen) */
+}
+
+void main()
+{
+    wgt15();
+    while (1);
+}
diff --git a/part12-wgt/samples/wgt16.c b/part12-wgt/samples/wgt16.c
new file mode 100644
index 0000000..109fb99
--- /dev/null
+++ b/part12-wgt/samples/wgt16.c
@@ -0,0 +1,85 @@
+#include "include/wgt.h"
+#include "include/mem.h"
+#include "include/multicore.h"
+
+// ######## REQUIRED FUNCTIONS ########
+
+unsigned long state0 = 1000;
+unsigned long state1 = 2000;
+
+unsigned long rand(void)
+{
+    unsigned long s1 = state0;
+    unsigned long s0 = state1;
+
+    state0 = s0;
+    s1 ^= s1 << 23;
+    s1 ^= s1 >> 17;
+    s1 ^= s0;
+    s1 ^= s0 >> 26;
+    state1 = s1;
+
+    return state0 + state1;
+}
+
+// ######## STUB FUNCTIONS ########
+
+unsigned int kb = 0;
+
+unsigned int kbhit(void) {
+    kb++;
+    return kb / 500;
+}
+
+void getch(void) {
+    wait_msec(0x500000);
+    kb = 0;
+}
+
+// ######## WGT EXAMPLES ########
+
+void wgt16()
+{
+  short y, tempx, tempy;
+  block screen1;
+
+  set_clock_rate(get_max_clock());
+  mem_init();
+  vga256 ();                    /* Initializes WGT system       */
+
+  start_core2(minit);           // Start the comms engine (core 2)
+  while (!comms_up);            // Wait for comms up
+
+  screen1 = wnewblock (0, 0, 319, 199);
+
+  wsetscreen (screen1);          /* sets to screen1 */
+  for (y = 0; y < 200; y++)
+    {
+     wsetcolor (vgapal[y]);
+     wfline (0, 0, 319, y);          /* draw something on another screen */
+     wfline (319, 199, 0, y);
+    }
+
+  wnormscreen ();                /* make the putblock go onto the default screen */
+
+  do {
+    tempx = mx;
+    tempy = my;
+    wcopyscreen (tempx, tempy, tempx + 19, tempy + 19, screen1,
+		 tempx, tempy, NULL);
+    /* this means copy a square 20*20 from screen1 to the same spot
+       on the default screen.  Move the mouse around and watch the black
+       wipe away as screen1 copies over. */
+
+    /* NULL means the default screen. */
+  } while (!but);
+
+  mdeinit ();                   /* Deinitialize the mouse handler */
+  wfreeblock (screen1);
+}
+
+void main()
+{
+    wgt16();
+    while (1);
+}