Fixed boundaryFill (sorta, circle is still broken, idk why)

Makefile

@@ -12,19 +12,23 @@ C_FILES = calc
 .PHONY: os clean run
 
 # Main compilation target
-os: $(BUILD) bootloader kernel $(C_FILES)
+os: $(BUILD) bootloader kernel $(C_FILES) filesystem
+	@echo "\nDone!\n"
+
+# Filesystem
+filesystem:
 	@echo "Assembling $(SRC)/testfont.asm..."
 	@$(AS) -fbin -o $(BUILD)/testfont.bin $(SRC)/testfont.asm
 	@echo "Building filesystem..."
 	@$(AS) -fbin -o $(BUILD)/filetable.bin $(SRC)/filetable.asm
-	@cat $(BUILD)/boot.bin $(BUILD)/filetable.bin $(BUILD)/kernel.bin > $(BUILD)/os.bin
-	@echo "Building kern.iso..."
 	@dd if=/dev/zero of=kern.iso bs=512 count=2880 status=none
-	@dd if=$(BUILD)/os.bin of=kern.iso conv=notrunc status=none
+# TODO: Make this not so manual
-	@dd if=$(BUILD)/testfont.bin of=kern.iso bs=512 seek=36 conv=notrunc status=none
+	@dd if=$(BUILD)/boot.bin      of=kern.iso bs=512 seek=0  conv=notrunc status=none
-	@dd if=$(SRC)/fs/test.txt of=kern.iso bs=512 seek=40 conv=notrunc status=none
+	@dd if=$(BUILD)/filetable.bin of=kern.iso bs=512 seek=5  conv=notrunc status=none
-	@dd if=$(BUILD)/calc.bin of=kern.iso bs=512 seek=41 conv=notrunc status=none
+	@dd if=$(BUILD)/kernel.bin    of=kern.iso bs=512 seek=6  conv=notrunc status=none
-	@echo "\nDone!\n"
+	@dd if=$(BUILD)/testfont.bin  of=kern.iso bs=512 seek=36 conv=notrunc status=none
+	@dd if=$(SRC)/fs/test.txt     of=kern.iso bs=512 seek=40 conv=notrunc status=none
+	@dd if=$(BUILD)/calc.bin      of=kern.iso bs=512 seek=41 conv=notrunc status=none
 
 $(BUILD):
 	@[ -d $(BUILD) ] || mkdir $(BUILD)

README.md

@@ -54,6 +54,7 @@ _These images may be outdated, Idk_
 
 ## Known issues
 - If you run kernel.bin from shell, it will clear the memory map so when you load anything it will override the kernel code
+- fillCircle() in graphics.h is broken. No idea why, so no filled circles for you (i commented out the boundaryFill call in the function)
 
 ## [Old Version](https://github.com/Tom-on64/old-kern)
 

include/graphics.h

@@ -105,18 +105,27 @@ void drawCircle(int32_t x, int32_t y, uint16_t radius, uint32_t color) {
 void boundaryFill(int32_t x, int32_t y, uint32_t fillColor, uint32_t boundaryColor) {
     uint8_t* vidmem = (uint8_t*)gfxMode->physicalBasePtr;
     uint8_t bytesPerPx = (gfxMode->bpp+1) / 8;
-    uint32_t convColor = convertColor(fillColor);
+    uint32_t convColorF = convertColor(fillColor);
+    uint32_t convColorB = convertColor(boundaryColor);
 
     uint32_t offset = (y * gfxMode->xRes + x) * bytesPerPx;
 
-    if (vidmem[offset] != fillColor && vidmem[offset] != boundaryColor) {
+    uint8_t draw = 0;
+    for (uint8_t i = 0; i < bytesPerPx; i++) {
+        if (vidmem[offset + i] != (uint8_t)(convColorF >> (i*8)) && vidmem[offset + i] != (uint8_t)(convColorB >> (i*8))) {
+            draw = 1;
+            break;
+        }
+    }
+
+    if (draw) {
         for (uint8_t i = 0; i < bytesPerPx; i++) {
-            vidmem[offset + i] = (uint8_t)(convColor >> (i*8));
+            vidmem[offset + i] = (uint8_t)(convColorF >> (i*8));
         }
 
         boundaryFill(x + 1, y, fillColor, boundaryColor);
-        boundaryFill(x - 1, y, fillColor, boundaryColor);
         boundaryFill(x, y + 1, fillColor, boundaryColor);
+        boundaryFill(x - 1, y, fillColor, boundaryColor);
         boundaryFill(x, y - 1, fillColor, boundaryColor);
     }
 }
@@ -127,7 +136,7 @@ void fillRect(int32_t x1, int32_t y1, int32_t x2, int32_t y2, uint32_t color) {
     int32_t cy = (y1 + y2) / 2;
 
     drawRect(x1, y1, x2, y2, color - 1);
-    // boundaryFill(cx, cy, color, color - 1);
+    boundaryFill(cx, cy, color, color - 1);
     drawRect(x1, y1, x2, y2, color);
 }
 
@@ -136,13 +145,13 @@ void fillTriangle(int32_t x1, int32_t y1, int32_t x2, int32_t y2, int32_t x3, in
     int32_t cy = (y1 + y2 + y3) / 3;
 
     drawTriangle(x1, y1, x2, y2, x3, y3, color - 1);
-    // boundaryFill(cx, cy, color, color - 1);
+    boundaryFill(cx, cy, color, color - 1);
     drawTriangle(x1, y1, x2, y2, x3, y3, color);
 }
 
 void fillCircle(int32_t x, int32_t y, uint16_t radius, uint32_t color) {
     drawCircle(x, y, radius, color - 1);
-    // boundaryFill(x, y, color, color - 1);
+    // boundaryFill(x, y, color, color - 1); TODO: It just doesn't feel like working here and hangs
     drawCircle(x, y, radius, color);
 }
 

include/screen.h

@@ -3,7 +3,7 @@
 
 #include "stdint.h"
 
-#define MODE_INFO_BLOCK 0x5000
+#define MODE_INFO_BLOCK 0x9000
 #define BG_COLOR 0x00010b17
 #define FG_COLOR 0x00ebddf4
 #define CHAR_WIDTH 8

notes.txt

@@ -1,8 +1,8 @@
 --- Memory Map ---
 0x1000  - Kernel
-0x5000  - VBE Mode Info Block
 0x6000  - Font
 0x7000  - Filetable (0x7c00 - Bootloader)
 0x8500  - ACPI Memory map
+0x9000  - VBE Mode Info Block
 0x30000 - Memory manager memmap
 

src/kernel.c

@@ -259,6 +259,8 @@ void main() {
                         clear();
                     } else if (strcmp(fileType, "tab") == 0) {
                         printFiletable(address);
+                    } else if (strcmp(fileType, "fnt") == 0) {
+                        print("Loading...\n");
                     } else {
                         for (size_t i = 0; i < size * 512; i++) {
                             if (address[i] != '\0') {

src/stage1.asm

@@ -5,7 +5,7 @@
 %define VIDMEM 0xb800
 %define KERNEL_LOC 0x1000
 %define FILETAB_LOC 0x7000 ; TODO: Read kernel size and location from ft
-%define KERNEL_SIZE 30 ; 15kB
+%define KERNEL_SIZE 30; 15kB
 
 start:
     mov [driveNum], dl   ; Store the drive number

src/stage2.asm

@@ -250,7 +250,7 @@ protected_start:
 
     ; Store VBE Mode Info Block in memory
     mov esi, modeInfoBlock
-    mov edi, 0x5000 ; Destination
+    mov edi, 0x9000 ; Destination
     mov ecx, 64 ; 64 * 4 = 256B (size of modeInfoBlock)
     rep movsd