Fix build, fix sizing/spacing

Author: mcpiroman

loader.nasm

@@ -26,7 +26,7 @@ db "FAT16   "    ; file system type
 
 %define STACK_BASE_ADDR 1000h
 %define PROGRAM_LOAD_ADDR 1000h
-%define SEGMENTS_TO_LOAD 4
+%define SEGMENTS_TO_LOAD 2
 
 startMsg db "Starting loader", 0
 jumpingToProgramMsg db "Jumping to program..", 0

main.nasm

@@ -396,4 +396,4 @@ updateInterval dd 1_000_000 / 20
 restartDelay dd 250_000
 
 %include "commonSubroutines.nasm"
-times (3 * 200h) - ($ - $$) db 0 ; take up 3 segments
+times (2 * 200h) - ($ - $$) db 0 ; take up 2 segments and assert we don't overflow beyond that