Rename and move handwritten asm files (#1254)

* Rename handwritten asm files and move them to src

* Fix progress.py

* Remove handling for asm dir from Makefile

src/makerom/entry.s

@@ -0,0 +1,34 @@
+#include "ultra64/asm.h"
+#include "boot.h"
+
+.set noreorder
+
+.section .text
+
+.balign 16
+
+LEAF(entrypoint)
+    // Clear boot segment .bss
+    la      $t0, _bootSegmentBssStart
+#ifndef AVOID_UB
+    // UB: li only loads the lower 16 bits of _bootSegmentBssSize when it may be larger than this,
+    // so not all of bss may be cleared if it is too large
+    li      $t1, _bootSegmentBssSize
+#else
+    la      $t1, _bootSegmentBssSize
+#endif
+.clear_bss:
+    addi    $t1, $t1, -8
+    sw      $zero, ($t0)
+    sw      $zero, 4($t0)
+    bnez    $t1, .clear_bss
+     addi   $t0, $t0, 8
+    // Set up stack and enter program code
+    lui     $t2, %hi(bootproc)
+    lui     $sp, %hi(sBootThreadStack + BOOT_STACK_SIZE)
+    addiu   $t2, %lo(bootproc)
+    jr      $t2
+     addiu  $sp, %lo(sBootThreadStack + BOOT_STACK_SIZE)
+END(entrypoint)
+
+.fill 0x60 - (. - entrypoint)

src/makerom/ipl3.s

@@ -0,0 +1,4 @@
+
+.section .text
+
+.incbin "baserom.z64", 0x40, 0xFC0

src/makerom/rom_header.s

@@ -0,0 +1,18 @@
+/*
+ * The Legend of Zelda: Ocarina of Time ROM header
+ */
+
+.byte  0x80, 0x37, 0x12, 0x40   /* PI BSD Domain 1 register */
+.word  0x0000000F               /* Clockrate setting */
+.word  0x80000400               /* Entrypoint function (`entrypoint`) */
+.word  0x0000144C               /* Revision */
+.word  0x917D18F6               /* Checksum 1 */
+.word  0x69BC5453               /* Checksum 2 */
+.word  0x00000000               /* Unknown */
+.word  0x00000000               /* Unknown */
+.ascii "THE LEGEND OF ZELDA "   /* Internal ROM name */
+.word  0x00000000               /* Unknown */
+.word  0x0000004E               /* Cartridge */
+.ascii "ZL"                     /* Cartridge ID */
+.ascii "P"                      /* Region */
+.byte  0x0F                     /* Version */