From 0f23d50c8291b23799e55c8653c15f16c0d752d0 Mon Sep 17 00:00:00 2001
From: pk33 <pk33@email.com>
Date: Sun, 3 Nov 2024 03:41:54 +0100
Subject: VT switcher fix

---
 README.html       |  8 +++++---
 include/options.h | 22 +++-------------------
 include/system.h  | 16 +++++++++++++---
 makefile          |  3 ++-
 src/display.c     | 11 +++--------
 src/main.c        |  2 +-
 6 files changed, 27 insertions(+), 35 deletions(-)

diff --git a/README.html b/README.html
index 5758e47..940a743 100644
--- a/README.html
+++ b/README.html
@@ -6,18 +6,20 @@
 
 <h3>COMPILING</h3>
 <hr>
-<p>bmake</p>
+<p>Set CC in the makefile. Then bmake.</p>
 <br><br>
 
 <h3>USAGE</h3>
 <hr>
-<p>run ./bin/engine33 on a TTY with a display connected to the integrated graphics. Can you find the green pixel on your screen? Well done.</p>
+<p>You need a monitor connected to an on-board connector.<br>
+Run ./bin/engine33 on a TTY.<br>
+Can you see the green pixel on your screen? Well done.</p>
 <br><br>
 
 <h3>BUGS</h3>
 <hr>
 <ul>
-  <li>VT switcher doesn't work</li>
+  <li>Vsync code is pretty shitty</li>
 </ul>
 <br><br>
 
diff --git a/include/options.h b/include/options.h
index 4b6f765..2e71ad6 100644
--- a/include/options.h
+++ b/include/options.h
@@ -2,25 +2,9 @@
 #define __OPTIONS_H__
 
 
-/**/
-#define DRM_DEVICE "/dev/dri/card0"
-#define DRM_MODE "1024x768"
-#define DRM_RATE 75
-/**/
-
-
-#define NEAR 1.0;
-#define FAR 24.0
-
-#define TRANSPARENT 0x0
-#define BLACK 0xff000000
-#define WHITE 0xffffffff
-#define RED 0xffff0000
-#define GREEN 0xff00ff00
-#define BLUE 0xff0000ff
-#define YELLOW 0xffffff00
-#define MAGENTA 0xffff00ff
-#define CYAN 0xff00ffff
+#define DRM_DEVICE "/dev/dri/card1"
+#define DRM_MODE "1366x768"
+#define DRM_RATE 60
 
 
 #endif /* __OPTIONS_H */
diff --git a/include/system.h b/include/system.h
index 6260013..b97daff 100644
--- a/include/system.h
+++ b/include/system.h
@@ -3,12 +3,22 @@
 
 #include "types.h"
 
+#define NEAR 1.0
+#define FAR 24.0
+
+#define TRANSPARENT 0x0
+#define BLACK 0xff000000
+#define WHITE 0xffffffff
+#define RED 0xffff0000
+#define GREEN 0xff00ff00
+#define BLUE 0xff0000ff
+#define YELLOW 0xffffff00
+#define MAGENTA 0xffff00ff
+#define CYAN 0xff00ffff
+
 
 err e33_ioctl( Size fd, unsigned long req, void *arg );
 boolean strcomp( String s1, String s2 );
-void clear_tty( void);
-void vprint_tty( String fmt, ... );
-err get_line (char *buff, size_t sz, char *fmt, ...);
 
 
 #endif /** __SYSTEM_H__ **/
diff --git a/makefile b/makefile
index 0990286..d3255f2 100644
--- a/makefile
+++ b/makefile
@@ -22,8 +22,9 @@ CFLAGS = -march=native -mtune=native -std=c99 -static -w -Wall -Werror -Wextra -
 
 $(PROJECT): $(OBJS)
 	$(CC) $(CFLAGS) $(LIBS) -o $(.TARGET) $(.OODATE)
+	mkdir -p $(PDIR)
 	mv $(.TARGET) $(.ALLSRC:T) $(PDIR)
 
 clean:
-	rm bin/*.out
+	rm bin/*.o
 
diff --git a/src/display.c b/src/display.c
index 1e68f89..25c6437 100644
--- a/src/display.c
+++ b/src/display.c
@@ -52,7 +52,7 @@ typedef struct {
 
 static DRMData_d drmData = {0,};
 
-static Size vtPipe[2] = { -1, -1 };
+static int vtPipe[2] = { -1, -1 };
 
 static struct termios termOldConfig;
 
@@ -538,11 +538,10 @@ static Size _init_vt_switch( void )
   struct vt_mode vt_mode = {0,};
   sigset_t set;
 
-  __display.ttyfd = -1;
 
+  __display.ttyfd = -1;
 
-  /* Init VT pipes */
-  if (pipe(vtPipe) != 0)
+  if( pipe(vtPipe) == -1 )
   {
     vtPipe[0] = vtPipe[1] = -1;
     loge( "Could not set VT pipes");
@@ -557,7 +556,6 @@ static Size _init_vt_switch( void )
     loge( "Could not set VT write pipe" );
     return E33_EXIT_FAILURE;
   }
-  /**/
 
 
   if( __display.ttyfd = open("/dev/tty", O_RDWR ) < 0 ) {
@@ -566,7 +564,6 @@ static Size _init_vt_switch( void )
   }
 
 
-  /* Setup signals */
   if( _has_signal(REL_SIGNAL) ) {
     loge( "VT release signal is already in use");
     return E33_EXIT_FAILURE;
@@ -584,8 +581,6 @@ static Size _init_vt_switch( void )
     loge( "Could not set acquire signal handler");
     return E33_EXIT_FAILURE;
   }
-  /**/
-
 
 
   if( ioctl(__display.ttyfd, VT_GETMODE, &vt_mode) < 0 ) {
diff --git a/src/main.c b/src/main.c
index 2d345ba..150f16c 100644
--- a/src/main.c
+++ b/src/main.c
@@ -1,7 +1,7 @@
 #include "display.h"
 #include "clock.h"
 #include "logger.h"
-#include "options.h"
+#include "system.h"
 
 
 int main(int argc, char *argv[])
-- 
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