changed mind: TOS in memory

i don't actually think this matters, especially on this hardware.
plus it complicates implementation.

1 files changed, 3 insertions, 6 deletions

diff --git a/jefs.s b/jefs.s
index c97f2f6..dd861df 100644
--- a/jefs.s
+++ b/jefs.s
@@ -3,13 +3,11 @@
 ;; MACROS {{{
 %macro pspush 1
 	lea r14, [r14-8]
-	mov qword [r14], r15
-	mov r15, %1
+	mov qword [r14], %1
 %endmacro
 
 %macro pspop 1
-	mov %1, r15
-	mov r15, qword [r14]
+	mov %1, qword [r14]
 	lea r14, [r14+8]
 %endmacro
 
@@ -64,8 +62,7 @@ section .text
 global _start
 _start:
 	; init
-	mov r14, wstack + 16 ; two cells ahead; signifies empty stack
-	xor r15, r15
+	mov r14, wstack
 
 	mov rdi, 0
 	mov rax, __NR_exit