From b1c9034b2f91ba8f12ae2308196f4de7fa7359bd Mon Sep 17 00:00:00 2001
From: alekseiplusplus <alekseijeaves@protonmail.com>
Date: Fri, 1 Dec 2023 08:42:58 +1100
Subject: changed TerminalShiftRegister to VRAM

---
 src/video/ncurses.c | 34 +++++++++++++++++-----------------
 1 file changed, 17 insertions(+), 17 deletions(-)

(limited to 'src/video')

diff --git a/src/video/ncurses.c b/src/video/ncurses.c
index 1fbc314..c7cf3fb 100644
--- a/src/video/ncurses.c
+++ b/src/video/ncurses.c
@@ -14,11 +14,11 @@ int TermY = 0;
 WINDOW *AppleWindow;
 
 
-const byte* TerminalShiftRegister;
+const byte* VRAM;
 
-byte* TerminalShiftRegisterPosition;
+byte* VRAM_Position;
 
-int TerminalShiftRegisterOffset;
+int VRAM_Offset;
 
 
 void PrintInfo()
@@ -81,9 +81,9 @@ void DisplayInit()
     mvwaddch(AppleWindow, TermY, TermX, '@' | A_BLINK);
 
 	// Initialize the terminal shift register variables.
-    TerminalShiftRegister = (byte*)malloc(960);
-    TerminalShiftRegisterPosition = TerminalShiftRegister;
-    TerminalShiftRegisterOffset = 0;
+    VRAM = (byte*)malloc(960);
+    VRAM_Position = VRAM;
+    VRAM_Offset = 0;
 
     refresh();
 }
@@ -92,7 +92,7 @@ void DisplayInit()
 
 void DisplayClose()
 {
-    free(TerminalShiftRegister);
+    free(VRAM);
 	curs_set(1);
     endwin();
 }
@@ -112,10 +112,10 @@ void DisplayInput(byte n)
     mvwaddch(AppleWindow, TermY, TermX, n);
 	
 	// Add character to register
-    *TerminalShiftRegisterPosition = n;
-    TerminalShiftRegisterPosition++;
-    if (TerminalShiftRegisterPosition >= (TerminalShiftRegister + 960))
-        TerminalShiftRegisterPosition = TerminalShiftRegister;
+    *VRAM_Position = n;
+    VRAM_Position++;
+    if (VRAM_Position >= (VRAM + 960))
+        VRAM_Position = VRAM;
     
     TermX++;
 	// If X is past width..
@@ -128,20 +128,20 @@ void DisplayInput(byte n)
 	// If Y is past height..
     if (TermY >= 24) {
 		//.. discard the first line..
-		TerminalShiftRegisterOffset += 40;
+		VRAM_Offset += 40;
 
 		//.. verify the register offset..
-		if (TerminalShiftRegisterOffset >= 960)
-            TerminalShiftRegisterOffset = TerminalShiftRegister;
+		if (VRAM_Offset >= 960)
+            VRAM_Offset = VRAM;
 
 		//.. and create an offset variable to cycle through memory with.
-        byte *offset = TerminalShiftRegister + TerminalShiftRegisterOffset;
+        byte *offset = VRAM + VRAM_Offset;
 
         // Then, for every cell of the screen, fill with the contents of the video memory.
         for (int i = 0; i < 23; i++) {
         for (int j = 0; j < 40; j++) {
-            if (offset >= (TerminalShiftRegister + 960))
-                offset -= TerminalShiftRegister;
+            if (offset >= (VRAM + 960))
+                offset -= VRAM;
             mvwaddch(AppleWindow, i, j, *offset );
             offset++;
         }}
-- 
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