added some graphics

1 files changed, 20 insertions, 20 deletions

diff --git a/prog/link.ld b/prog/link.ld
index ae0988f..5c9926c 100644
--- a/prog/link.ld
+++ b/prog/link.ld
@@ -1,7 +1,7 @@
 MEMORY
 {
-  ROM (rx)  : ORIGIN = 0x00010000, LENGTH = 4K
-  RAM (rwx) : ORIGIN = 0x00100000, LENGTH = 4K
+  ROM (rx)  : ORIGIN = 0x00010000, LENGTH = 4K /* (1024 words, 0x0001_0000 to 0x0001_FFFF) */
+  RAM (rwx) : ORIGIN = 0x00100000, LENGTH = 4K /* (1024 words, 0x0010_0000 to 0x0010_FFFF) */
 }
 
 ENTRY(_start)
@@ -12,61 +12,61 @@ SECTIONS
   {
     _stext = .;
     . = ORIGIN(ROM);
-    _start = .;       /* Entry point address */
-    KEEP(*(.text.startup)) /* Ensure startup code is kept */
-    *(.text)          /* .text sections (code) */
+    _start = .;                /* entry point address */
+    *(.text.startup)
+    *(.text)                   /* .text sections (code) */
     *(.text.*)
     . = ALIGN(4);
-    _etext = .;       /* End of code section, needed for copying .data */
+    _etext = .;                /* end of code section */
   } > ROM
 
   .rodata :
   {
-    *(.rodata)               /* Read-only data */
+    *(.rodata)                 /* Read-only data */
     *(.rodata.*)
   } > ROM
 
   .data : 
   {
-    _sidata = LOADADDR(.data); /* Start address of .data section in ROM */
+    _sidata = LOADADDR(.data); /* start address of .data section in ROM */
     . = ALIGN(4);
-    _sdata = .;       /* Start of .data section in RAM */
-    *(.data)          /* .data sections (initialized data) */
+    _sdata = .;                /* start of .data section in RAM */
+    *(.data)                   /* .data sections (initialized data) */
     *(.data.*)
     *(.sdata)                  /* .sdata sections (small initialized data) */
     *(.sdata.*)
     . = ALIGN(4);
-    _edata = .;       /* End of .data section in RAM */
+    _edata = .;                /* end of .data section in RAM */
   } > RAM AT > ROM
 
   .bss :
   {
     . = ALIGN(4);
-    _sbss = .;        /* Start of .bss section */
-    *(.bss)           /* .bss sections (zero-initialized data) */
+    _sbss = .;                 /* start of .bss section */
+    *(.bss)                    /* .bss sections (zero-initialized data) */
     *(.bss.*)
     *(.sbss)                   /* .sbss sections (small zero-initialized data) */
     *(.sbss.*)
     *(COMMON)
     . = ALIGN(4);
-    _ebss = .;        /* End of .bss section */
+    _ebss = .;                 /* end of .bss section */
   } > RAM
 
   .heap (NOLOAD) :
   {
     . = ALIGN(4);
-    _sheap = .;       /* Start of heap */
-    . = . + 1K;       /* Size of heap (adjust as needed) */
-    _eheap = .;       /* End of heap */
+    _sheap = .;                /* start of heap */
+    . = . + 1K;                /* size of heap */
+    _eheap = .;                /* end of heap */
     . = ALIGN(4);
   } > RAM
 
   .stack (NOLOAD) :
   {
     . = ALIGN(4);
-    _sstack = .;      /* Start of stack */
-    . = . + 1K;       /* Size of stack (adjust as needed) */
-    _estack = .;      /* End of stack */
+    _sstack = .;              /* start of stack */
+    . = . + 1K;               /* size of stack */
+    _estack = .;              /* end of stack */
     . = ALIGN(4);
   } > RAM