Put baremetal_gamarjoba into subdir

common/x86_vram.asm

@@ -0,0 +1,36 @@
+%ifndef X86_VRAM_ASM
+%define X86_VRAM_ASM
+
+; x86 video stuff
+; each character cell is a 16 bit word
+; upper attribute byte is (upper 4 bits) - bg color, (lower 4 bits) fg color
+; lower byte is ascii char
+
+%define X86_COLS 80
+%define X86_ROWS 25
+%define X86_VRAM 0xb8000
+
+; these values are already shifted to accomodate xor-ing 
+; with the lower ascii char byte
+
+%define FG.BLACK   0 << 8
+%define FG.BLUE    1 << 8
+%define FG.GREEN   2 << 8
+%define FG.CYAN    3 << 8
+%define FG.RED     4 << 8
+%define FG.MAGENTA 5 << 8
+%define FG.YELLOW  6 << 8
+%define FG.GRAY    7 << 8
+%define FG.BRIGHT  8 << 8
+
+%define BG.BLACK   0 << 12
+%define BG.BLUE    1 << 12
+%define BG.GREEN   2 << 12
+%define BG.CYAN    3 << 12
+%define BG.RED     4 << 12
+%define BG.MAGENTA 5 << 12
+%define BG.YELLOW  6 << 12
+%define BG.GRAY    7 << 12
+%define BG.BRIGHT  8 << 12
+
+%endif