From 6d8ef6b12d37336a92c7a6b20b4b66f3ab424464 Mon Sep 17 00:00:00 2001
From: "Kartik K. Agaram" <vc@akkartik.com>
Date: Fri, 24 Apr 2015 22:49:29 -0700
Subject: 1189 - add extensions to all layers

I'm sick of fighting vim's filetype detection. No modeline and files
highlight in random colors. I add a modeline and it stops highlighting
tangle comments. Even though it read my #$%# vimrc! Fuck this shite.
---
 cpp/070display.cc | 127 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 127 insertions(+)
 create mode 100644 cpp/070display.cc

(limited to 'cpp/070display.cc')

diff --git a/cpp/070display.cc b/cpp/070display.cc
new file mode 100644
index 00000000..bf2ff85f
--- /dev/null
+++ b/cpp/070display.cc
@@ -0,0 +1,127 @@
+//: Take charge of the text-mode display and keyboard.
+
+//:: Display management
+
+:(before "End Globals")
+size_t Display_row = 0, Display_column = 0;
+
+:(before "End Primitive Recipe Declarations")
+SWITCH_TO_DISPLAY,
+:(before "End Primitive Recipe Numbers")
+Recipe_number["switch-to-display"] = SWITCH_TO_DISPLAY;
+:(before "End Primitive Recipe Implementations")
+case SWITCH_TO_DISPLAY: {
+  tb_init();
+  Display_row = Display_column = 0;
+  break;
+}
+
+:(before "End Primitive Recipe Declarations")
+RETURN_TO_CONSOLE,
+:(before "End Primitive Recipe Numbers")
+Recipe_number["return-to-console"] = RETURN_TO_CONSOLE;
+:(before "End Primitive Recipe Implementations")
+case RETURN_TO_CONSOLE: {
+  tb_shutdown();
+  break;
+}
+
+:(before "End Primitive Recipe Declarations")
+CLEAR_DISPLAY,
+:(before "End Primitive Recipe Numbers")
+Recipe_number["clear-display"] = CLEAR_DISPLAY;
+:(before "End Primitive Recipe Implementations")
+case CLEAR_DISPLAY: {
+  tb_clear();
+  Display_row = Display_column = 0;
+  break;
+}
+
+:(before "End Primitive Recipe Declarations")
+CLEAR_LINE_ON_DISPLAY,
+:(before "End Primitive Recipe Numbers")
+Recipe_number["clear-line-on-display"] = CLEAR_LINE_ON_DISPLAY;
+:(before "End Primitive Recipe Implementations")
+case CLEAR_LINE_ON_DISPLAY: {
+  size_t width = tb_width();
+  for (size_t x = Display_column; x < width; ++x) {
+    tb_change_cell(x, Display_row, ' ', TB_WHITE, TB_DEFAULT);
+  }
+  tb_set_cursor(Display_column, Display_row);
+  tb_present();
+  break;
+}
+
+:(before "End Primitive Recipe Declarations")
+PRINT_CHARACTER_TO_DISPLAY,
+:(before "End Primitive Recipe Numbers")
+Recipe_number["print-character-to-display"] = PRINT_CHARACTER_TO_DISPLAY;
+:(before "End Primitive Recipe Implementations")
+case PRINT_CHARACTER_TO_DISPLAY: {
+  vector<int> arg = read_memory(current_instruction().ingredients[0]);
+  int h=tb_height(), w=tb_width();
+  size_t height = (h >= 0) ? h : 0;
+  size_t width = (w >= 0) ? w : 0;
+  if (arg[0] == '\n') {
+    if (Display_row < height) {
+      Display_column = 0;
+      ++Display_row;
+      tb_set_cursor(Display_column, Display_row);
+      tb_present();
+    }
+    break;
+  }
+  tb_change_cell(Display_column, Display_row, arg[0], TB_WHITE, TB_DEFAULT);
+  if (Display_column < width) {
+    Display_column++;
+    tb_set_cursor(Display_column, Display_row);
+  }
+  tb_present();
+  break;
+}
+
+:(before "End Primitive Recipe Declarations")
+CURSOR_POSITION_ON_DISPLAY,
+:(before "End Primitive Recipe Numbers")
+Recipe_number["cursor-position-on-display"] = CURSOR_POSITION_ON_DISPLAY;
+:(before "End Primitive Recipe Implementations")
+case CURSOR_POSITION_ON_DISPLAY: {
+  vector<int> row;
+  row.push_back(Display_row);
+  write_memory(current_instruction().products[0], row);
+  vector<int> column;
+  column.push_back(Display_column);
+  write_memory(current_instruction().products[1], column);
+  break;
+}
+
+:(before "End Primitive Recipe Declarations")
+MOVE_CURSOR_ON_DISPLAY,
+:(before "End Primitive Recipe Numbers")
+Recipe_number["move-cursor-on-display"] = MOVE_CURSOR_ON_DISPLAY;
+:(before "End Primitive Recipe Implementations")
+case MOVE_CURSOR_ON_DISPLAY: {
+  vector<int> row = read_memory(current_instruction().ingredients[0]);
+  vector<int> column = read_memory(current_instruction().ingredients[1]);
+  Display_row = row[0];
+  Display_column = column[0];
+  tb_set_cursor(Display_column, Display_row);
+  tb_present();
+  break;
+}
+
+//:: Keyboard management
+
+:(before "End Primitive Recipe Declarations")
+WAIT_FOR_KEY_FROM_KEYBOARD,
+:(before "End Primitive Recipe Numbers")
+Recipe_number["wait-for-key-from-keyboard"] = WAIT_FOR_KEY_FROM_KEYBOARD;
+:(before "End Primitive Recipe Implementations")
+case WAIT_FOR_KEY_FROM_KEYBOARD: {
+  struct tb_event event;
+  tb_poll_event(&event);
+  break;
+}
+
+:(before "End Includes")
+#include"termbox/termbox.h"
-- 
cgit 1.4.1-2-gfad0