add system time, clean up pci into pci.sys, clean up syscall names, fix USERAPC1 typo

code/user/apps/edit/edit.c

@@ -81,7 +81,7 @@ static void update_screen_size(void) {
     int oldCols = gCols;
     int oldRows = gRows;
 
-    if (SysScreenGetSize(&pxW, &pxH) == 0 && pxW > 0 && pxH > 0) {
+    if (SysGetScreenSize(&pxW, &pxH) == 0 && pxW > 0 && pxH > 0) {
         gCols = pxW / GLYPH_W;
         gRows = pxH / GLYPH_H;
 
@@ -111,7 +111,7 @@ static void put_cell(int col, int row, char c, uint32_t fg, uint32_t bg) {
         cell->bg = bg;
     }
 
-    SysScreenPutChar(c, col * GLYPH_W, row * GLYPH_H, fg, bg);
+    SysPutScreenChar(c, col * GLYPH_W, row * GLYPH_H, fg, bg);
 }
 
 static void clear_row(int row, uint32_t bg) {
@@ -473,8 +473,8 @@ static void editor_loop(void) {
     while (true) {
         render();
 
-        INPUT_KEY key = SysKbReadKey();
-        uint32_t mods = SysKbGetModifiers();
+        INPUT_KEY key = SysReadKey();
+        uint32_t mods = SysGetKeyModifiers();
         bool ctrl = (mods & INPUT_MOD_CTRL) != 0;
 
         if (ctrl && key == EDIT_KEY_Q) {
@@ -535,10 +535,10 @@ static void print(const char* s) {
 int main(void) {
     parse_filename_from_cmdline();
     load_file();
-    SysScreenClear(COL_BG);
+    SysClearScreen(COL_BG);
     invalidate_screen_cache();
     editor_loop();
-    SysScreenClear(0x012456);
+    SysClearScreen(0x012456);
     invalidate_screen_cache();
     print("edit: goodbye\n");
     SysExitProcess(0);