From 00302a2018299d1c96a58e6786f81b4834f63b36 Mon Sep 17 00:00:00 2001
From: Irene Knapp <ireneista@irenes.space>
Date: Sat, 3 Oct 2026 18:22:38 -0700
Subject: oops, this file was moved to historical/ but the old copy was kept

Force-Push: yes
Change-Id: I541a6740ccb219d51c2e4f6bb3b02511329e6ea7
---
 asm-notes.txt | 83 -----------------------------------------------------------
 1 file changed, 83 deletions(-)
 delete mode 100644 asm-notes.txt

(limited to 'asm-notes.txt')

diff --git a/asm-notes.txt b/asm-notes.txt
deleted file mode 100644
index e3c4d67..0000000
--- a/asm-notes.txt
+++ /dev/null
@@ -1,83 +0,0 @@
-HLT will drop you into the debugger
-  db 0xf4       ; HLT DO NOT SUBMIT
-
-or perhaps you want to do a clean exit()
-  mov.b rax, 60 ; DO NOT SUBMIT
-  mov.b rdi, 0  ; DO NOT SUBMIT
-  syscall       ; DO NOT SUBMIT
-
-
-    ; opcode c7 is Ev, Iz. c6 is Eb, Ib
-    ; Eb: ModR/M to follow, byte
-    ; consider 1100 011w : 11 000 reg : imm
-    ; also consider 1011 w reg : imm for bytes
-
-32-bit target, 8-bit source
-  match =eax?, target
-    db 0xB8
-    dd source
-  else match =edi?, target
-    db 0xBF
-    dd source
-
-64-bit target, 32-bit source
-  match =rax?, target            ; mov rax, 0x1234
-    db 0x48, 0xC7, 0xC0
-    dd source
-;   48                           eAX REX.W prefix
-;                                    (DEC is the 32-bit meaning, ignore it)
-;                                    eAX -> register identifier,
-;                                           width depends on operand
-;                                    REX.W -> set 64-bit operand mode
-;           c7                    Grp 11^1A - MOV Ev, Iz
-;                                    immediate to register
-;                                    1A -> bits 5,4,3 of ModR/M are opcode
-;                                          extension
-;                                    E -> modR/M byte to follow for operand
-;                                    v -> word of appropriate size
-;                                    I -> immediate data
-;                                    z -> 32-bit operand
-;              c0                ModR/M byte
-;              0b11000000
-;                11               mod: always 11
-;                  000            op/reg: Mov Ev, Iz
-;                     00x         w absent
-;                       0         w (ignored)
-
-
-
-  match =rdi, target             ; mov rdi, 0x1234
-    db 0x48, 0xC7, 0xC7
-    dd source
-;   7:   48 c7 c7 2a 00 00 00    mov    $0x2a,%rdi
-;   48                           eAX REX.W prefix
-;                                    (DEC is the 32-bit meaning, ignore it)
-;           c7                   Grp 11^1A - MOV Ev, Iz
-;                                    immediate to register
-;                                    1A -> bits 5,4,3 of ModR/M are opcode
-;                                          extension
-;                                    Ev -> ModR/M to follow for 32-bit operand
-;                                    Iz -> Immediate data, 32-bits
-;              c7                ModR/M byte
-;              0b11000111
-;                11               mod: always 11
-;                  000            op/reg: Mov Ev, Iz
-;                     11x         w present
-;                       1         w true; use EDI
-
-
-
-64-bit target, 64-bi source
-
-  match =rdi, target             ; mov rdi, 0x1234
-    db 0x48, 0xB8, 0x38
-    dq source
-
-  match =rsi, target
-    db 0x48, 0xB8, 0x30
-    dq source
-    ; opcode c7 is Ev, Iz. c6 is Eb, Ib
-    ; Eb: ModR/M to follow, byte
-    ; consider 1100 011w : 11 000 reg : imm
-    ; also consider 1011 w reg : imm for bytes
-
-- 
cgit 1.4.1