Finished textbox, learned that windows aren't transparent

src/conversation/textbox.c

@@ -21,7 +21,7 @@ inline void conversationTextboxInit() {
   TEXTBOX_STATE = 0;
 
   // Setup window data
-  // move_win(7, SCREENHEIGHT - (TEXTBOX_HEIGHT_IN_TILES * 8));
+  move_win(7, SCREENHEIGHT - (TEXTBOX_HEIGHT_IN_TILES * 8));
   set_win_data(FONT_DATA_POSITION, FONT_IMAGE_TILES, FONT_IMAGE);
   set_win_data(BORDER_DATA_POSITION, BORDER_IMAGE_TILES, BORDER_IMAGE);
 
@@ -41,9 +41,8 @@ inline void conversationTextboxInit() {
     TEXTBOX_TILES[TEXTBOX_WIDTH_IN_TILES * (i+1) - 1] = BORDER_TILE_CENTER_RIGHT;
   }
 
-  // Setup tiles.
   set_win_tiles(
-    0, 0,
+    0x00, 0x00,
     TEXTBOX_WIDTH_IN_TILES, TEXTBOX_HEIGHT_IN_TILES,
     TEXTBOX_TILES
   );
@@ -53,7 +52,10 @@ void conversationTextboxSetText(char *text) {
   uint8_t i, j, k, rowStart, stateFlags;
   char c, c2;
 
+  // Begin by filling the textbox text chars with whitespace to begin.
+  // TODO: I'm pretty sure I can move this lower and optimize.
   for(i = 0; i < TEXTBOX_SCROLL_ROWS_MAX * TEXTBOX_CHARS_PER_ROW; i++) {
+    break;
     TEXTBOX_TEXTS[i] = ' ';
   }
   
@@ -66,9 +68,9 @@ void conversationTextboxSetText(char *text) {
   
   // Copy source text to buffer, also determine wordwrapping here.
   i = 0, j = 0, rowStart = 0, stateFlags = 0;
-  while((c = text[i]) != '\0') {
+  while((c = text[i]) != '\0') {// "For each char in string"
     if(c == ' ') {
-      // Scan ahead and look at how many chars remain to the next space
+      // Scan ahead and look at how many chars remain to the next space.
       k = i + 1;
       while(
         (c2 = text[k]) != '\0' &&
@@ -86,16 +88,18 @@ void conversationTextboxSetText(char *text) {
       stateFlags |= 1 << 0;
     }
 
-    // Do we need to newline?
+    // Do we need to insert newline where we are currently?
     if((stateFlags & (1 << 0)) != 0) {
-      stateFlags &= ~(1 << 0);
-      rowStart = i;
-      j = ((j / TEXTBOX_CHARS_PER_ROW) + 1) * TEXTBOX_CHARS_PER_ROW;
+      stateFlags &= ~(1 << 0);// Remove newline flag
       i++;
+      rowStart = i;// Update the row start (Should this be i+1?)
+      //TODO: can I optimize the next line by using rowStart somehow?
+      j = ((j / TEXTBOX_CHARS_PER_ROW) + 1) * TEXTBOX_CHARS_PER_ROW;// Update destination character position.
       TEXTBOX_ROW_COUNT++;
       continue;
     }
 
+    // Insert the character
     TEXTBOX_TEXTS[j] = c;
     i++;
     j++;
@@ -162,8 +166,8 @@ inline void conversationTextboxUpdate() {
   } else {
     tiles[0] = c - 33 + FONT_DATA_POSITION;
     set_win_tiles(
-      1 + (TEXTBOX_SCROLL % TEXTBOX_CHARS_PER_ROW),
-      1 + (TEXTBOX_SCROLL / TEXTBOX_CHARS_PER_ROW),
+      0x01 + (TEXTBOX_SCROLL % TEXTBOX_CHARS_PER_ROW),
+      0x01 + (TEXTBOX_SCROLL / TEXTBOX_CHARS_PER_ROW),
       1, 1,
       tiles
     );

src/conversation/textbox.h

@@ -41,7 +41,7 @@
 #define TEXTBOX_TILES_ROWS 3
 #define TEXTBOX_TILE_BLANK COMMON_TILE_3
 
-#define TEXTBOX_SCROLL_ROWS_MAX 9
+#define TEXTBOX_SCROLL_ROWS_MAX 14
 
 // STR_ ## name ## _DATA, STR_ ## name ## _LENGTH
 #define conversationTextboxString(name) conversationTextboxSetText(\

src/main.c

@@ -137,8 +137,9 @@ void main() {
   // Set up the GAMEBOY's registers.
   disable_interrupts();
   DISPLAY_OFF;
-  LCDC_REG = LCDCF_OFF | LCDCF_WIN9C00 | LCDCF_BG8800 | LCDCF_BG9800 | LCDCF_BGON;
-  BGP_REG = 0xE4U;
+  LCDC_REG = LCDCF_OFF | LCDCF_WIN9C00 | LCDCF_WINON | LCDCF_BG8800 | LCDCF_BG9800 | LCDCF_BGON;
+  // Set the background color palette register
+  BGP_REG = OBP0_REG = OBP1_REG = 0xE4U;
 
   // Init the random seed
   initarand(DIV_REG);
@@ -154,23 +155,21 @@ void main() {
   // pokerInit();
 
   // Fill screen white
-  for(j = 0; j < 0x20*0x20; j++) filled[j] = COMMON_TILE_3;
+  for(j = 0; j < GB_BACKGROUND_COLUMNS * GB_BACKGROUND_ROWS; j++) filled[j] = COMMON_TILE_3;
   set_bkg_tiles(0x00, 0x00, GB_BACKGROUND_COLUMNS, GB_BACKGROUND_ROWS, filled);
   SCX_REG = 0x00;
   SCY_REG = 0x00;
 
+  // Alright begin the game logic here.
+  // conversationQueueNext();
+  char DEBUG_TEXT[] = "Hello World\nThe quick brown fox jumps over the lazy dog. How now brown cow? The fitness gram pacer test";
+  conversationTextboxSetText(DEBUG_TEXT);
+
   // Now turn the screen on
   DISPLAY_ON;
   enable_interrupts();
   wait_vbl_done();
 
-  // Alright begin the game logic here.
-  // conversationQueueNext();
-  char DEBUG_TEXT[] = "Hello World\nThe quick brown fox jumps over the lazy dog. How now brown cow? The fitness gram pacer test is a";
-  // uint8_t DEBUG_TEXT_LENGTH = strlen(DEBUG_TEXT);
-  // for(j = 0; j < DEBUG_TEXT_LENGTH; j++) DEBUG_TEXT[j] = DEBUG_TEXT[j] - 33 + 4;
-  conversationTextboxSetText(DEBUG_TEXT);
-
   // Begin the loop
   while(1) {
     // Wait for VSYNC

src/main.h

@@ -10,6 +10,8 @@
 #include "libs.h"
 #include "time.h"
 
+#include "SM.h"
+
 #include "display/common.h"
 #include "display/tilemap.h"
 #include "poker/poker.h"