Added stubs for putting the emulated screen into a TIOS-drawn window.

3 files changed, 33 insertions, 0 deletions

diff --git a/loader.c b/loader.c
index 75654f4..fffd7fb 100644
--- a/loader.c
+++ b/loader.c
@@ -20,6 +20,7 @@ char writestr[16] = { 0x3E, 0x41,	// LD A,'A'
 };
 
 void init_load(void);
+void unload(void);
 void *deref_page(int);
 void close_pages(void);
 
@@ -74,6 +75,11 @@ void init_load(void)
 
 }
 
+void unload(void)
+{
+	return;
+}
+
 /* Turns a page number into a pointer to a page.  Returns NULL if not
  * found, throws an error in other cases.
  */
diff --git a/main.asm b/main.asm
index 8c93f9c..b765fd3 100644
--- a/main.asm
+++ b/main.asm
@@ -49,9 +49,15 @@
 __main:
 	movem.l d0-d7/a0-a6,-(sp)
 	bsr	init_load
+	bsr	display_setup
+
 	bsr	emu_setup
 	lea	emu_plain_op,a5
 	bsr	emu_run
+	bsr	emu_teardown
+
+	bsr	display_teardown
+	bsr	unload
 	movem.l (sp)+,d0-d7/a0-a6
 	rts
 
@@ -71,6 +77,9 @@ emu_setup:
 
 	rts
 
+emu_teardown:
+	rts
+
 
 ;; ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
 ;;  _ __ ___   ___ _ __ ___   ___  _ __ _   _   |||||||||||||||||||||||||||
diff --git a/video.c b/video.c
index 21ae989..1d9d0a3 100644
--- a/video.c
+++ b/video.c
@@ -5,6 +5,8 @@
  */
 
 #include <graph.h>
+#include <wingraph.h>
+#include <alloc.h>
 
 
 #define VIDEO_ROWMODE 0x01
@@ -28,11 +30,27 @@ char video_busy;        // Always 0
 char video_cur_row;
 char video_cur_col;
 
+WINDOW *screen_window;
+
 void video_write(char);
 char video_read(void);
 void *video_compute_address(void);
 int video_compute_shift(void);
 
+void display_setup(void)
+{
+	screen_window = HeapAllocPtr(sizeof(WINDOW));
+	WinOpen(screen_window, MakeWinRect(10, 10, 106, 74), WF_SAVE_SCR | WF_TTY | WF_ROUNDEDBORDER | WF_TITLE, "TI-83+ Emulator");
+	WinActivate(screen_window);
+	return;
+}
+
+void display_teardown(void)
+{
+	WinClose(screen_window);
+	HeapFreePtr(screen_window);
+}
+
 void video_write(char data)
 {
 	int shift = video_compute_shift();