From 9165f49e62d8c5e740ffb9e7a79863af1a2ab578 Mon Sep 17 00:00:00 2001
From: Lauri Koskenniemi <koskenniemilauri@gmail.com>
Date: Sat, 24 May 2025 11:05:24 +0300
Subject: [PATCH] Create learn asm repo

Repository for learning assembly language
---
 info            |   4 ++++
 lesson1/l1      | Bin 0 -> 8636 bytes
 lesson1/l1.asm  |  16 ++++++++++++++++
 lesson1/l1.o    | Bin 0 -> 608 bytes
 lesson2/l2      | Bin 0 -> 8628 bytes
 lesson2/l2.asm  |  17 +++++++++++++++++
 lesson2/l2.o    | Bin 0 -> 624 bytes
 lesson3/l3      | Bin 0 -> 8684 bytes
 lesson3/l3.asm  |  28 ++++++++++++++++++++++++++++
 lesson3/l3.o    | Bin 0 -> 672 bytes
 lesson3/l3i     | Bin 0 -> 8684 bytes
 lesson3/l3i.asm |  26 ++++++++++++++++++++++++++
 lesson3/l3i.o   | Bin 0 -> 672 bytes
 lesson4/l4      | Bin 0 -> 8700 bytes
 lesson4/l4.asm  |  34 ++++++++++++++++++++++++++++++++++
 lesson4/l4.o    | Bin 0 -> 704 bytes
 lesson5/l5      | Bin 0 -> 8772 bytes
 lesson5/l5.asm  |  18 ++++++++++++++++++
 lesson5/l5.o    | Bin 0 -> 800 bytes
 lib/fl.asm      |  45 +++++++++++++++++++++++++++++++++++++++++++++
 20 files changed, 188 insertions(+)
 create mode 100644 info
 create mode 100755 lesson1/l1
 create mode 100644 lesson1/l1.asm
 create mode 100644 lesson1/l1.o
 create mode 100755 lesson2/l2
 create mode 100644 lesson2/l2.asm
 create mode 100644 lesson2/l2.o
 create mode 100755 lesson3/l3
 create mode 100644 lesson3/l3.asm
 create mode 100644 lesson3/l3.o
 create mode 100755 lesson3/l3i
 create mode 100644 lesson3/l3i.asm
 create mode 100644 lesson3/l3i.o
 create mode 100755 lesson4/l4
 create mode 100644 lesson4/l4.asm
 create mode 100644 lesson4/l4.o
 create mode 100755 lesson5/l5
 create mode 100644 lesson5/l5.asm
 create mode 100644 lesson5/l5.o
 create mode 100644 lib/fl.asm

diff --git a/info b/info
new file mode 100644
index 0000000..900bb73
--- /dev/null
+++ b/info
@@ -0,0 +1,4 @@
+
+https://asmtutor.com/
+
+https://www.chromium.org/chromium-os/developer-library/reference/linux-constants/syscalls/#x86-32-bit
diff --git a/lesson1/l1 b/lesson1/l1
new file mode 100755
index 0000000000000000000000000000000000000000..6e7e04cae5b610701bcde36c4873c7dc1250a9d5
GIT binary patch
literal 8636
zcmeI2Jx;?w5QQhsj|_syGzf`;jf4aRiiDIafGE;aT8<Jy;SdyW0Tnp{1qYzu5d2&L
z4#NrHy|oPp8VV}(Mw-m*zVXEVy4B9r!SJxrXjpBLH7%^JTk!y!&#qJk=Ai6a$J(XN
z?L{l5-yo&8xR+R|BN}?p*OAiO@DJS~zl9F(BBgiW)MX+d0wN#+A|L`HAOa#F0wN#+
zA|L{POW<)8{T_G<f8w$Ko@e-%1%6~AAOa#F0wN#+A|L`HAOa#F0wN#+|AxTPB+qAi
z?szuO$GzpBpY=Hz!2A8zx0ofow+|NC8YA!dVF_;jR}j0Eo>*iX-_~2K`=VRE-_MGv
zO^Xvt(@{~Rh0o^R(#bgU8N%7vtY2JCeKtb$^D>^+nV(#E>xWu&{+(^2jNcXJ4fyVu
zIpBOkZS@F34;!p&Qs6tga!!FuT9|i0WKG14$`WUGj+{E5Wn|B#YK;(V;mo$HoPm94
SWE%c6tjzA5*-n)+)OGJdMK#s{

literal 0
HcmV?d00001

diff --git a/lesson1/l1.asm b/lesson1/l1.asm
new file mode 100644
index 0000000..765f5ee
--- /dev/null
+++ b/lesson1/l1.asm
@@ -0,0 +1,16 @@
+; Lesson 1
+; nasm -f elf l1.asm
+; ld -m elf_i386 l1.o -o l1
+
+SECTION .data
+msg     db      'Hello, World!', 0Ah
+
+SECTION .text
+global  _start
+
+_start:
+mov     edx, 13
+mov     ecx, msg
+mov     ebx, 1
+mov     eax, 4
+int     80h
diff --git a/lesson1/l1.o b/lesson1/l1.o
new file mode 100644
index 0000000000000000000000000000000000000000..f4e806c026a0fd147f85288371c63eac3ab69b47
GIT binary patch
literal 608
zcmb<-^>JflWMqH=Mh0dE1doBi0V-hvrZpJYf%4=4keMJ1)13h1@F5w*0%fy9)v-bO
z1weITNa_TjY+fJ@GYcd%0jSOpDhHxKc7cF65Ho>U5aI$*A_2%`g<_DsAT#BG7}-1n
zpeA9U7!1J7QwIug!UTbI08kwVkOr9pvIj(i_%Ps+nv;{SqY$27l#`;!#lWx&<nWy!
z+1(%`cYxHNZ2%H5pqG+ZlE|P}l3G#1pjVtxTvAk$m;_{1=0a#FzbG{aq6Vf92Mu#K
zNScM=<9}pjs4)%lKNE`EL7~Wlq(K1W!yH4s#Nu3r+~RbG_~Mepq7ozpKqe^O7(oF6
F1pw6uCtCmj

literal 0
HcmV?d00001

diff --git a/lesson2/l2 b/lesson2/l2
new file mode 100755
index 0000000000000000000000000000000000000000..0da28fa1908bb3f9bb20cb6b7bb09d8832b04ce6
GIT binary patch
literal 8628
zcmeI2Jx;?w5QSeHCo+g4bVw9z5E4`_P_6(Kcd#51K|v6Tw+IzJ0tF=n#|WgQ&0#nJ
z%v-M!LKGA<NbgCb`CG5;uUqZhot&L^Ivuo1&_&4Z(`;nLSJ!k#aMn3OAHAl}a-C+h
z2McK_YXdZW^RPW=`xerAW}kg$@sst<Sf};P*q1~=1VlgtL_h>YKm<fU1VlgtL_h@o
zmcR=S-p@RRuXyZV@(jPOSA5Bmg>}tP5&;nq0TB=Z5fA|p5CIVo0TB=Z5%|vp&PzYs
z{NV?}3_z@>cze$n^S(YP!8Seb_e}%4@!vAvi~Ru-?0n1jEYH65adn)R)eN)h0!1;d
zs-p7c+@qLIN?)40o&b4uJM-n(yq`DzvW@(7;gN^6w)5|_Ys>gwVa|ZxZnFlQOK8=O
z9t^F(bzL_2%`VO^FgJxc2lHH$un?6w;KpM1`7Ay6+=#ikpoIetVob+<C^8N23>om~
LfWsKmwd+0r59Kva

literal 0
HcmV?d00001

diff --git a/lesson2/l2.asm b/lesson2/l2.asm
new file mode 100644
index 0000000..ee1b394
--- /dev/null
+++ b/lesson2/l2.asm
@@ -0,0 +1,17 @@
+
+SECTION .data
+msg     db      'cat!', 0Ah
+
+SECTION .text
+global  _start
+
+_start:
+mov     edx, 5
+mov     ecx, msg
+mov     ebx, 1
+mov     eax, 4
+int     80h
+
+mov     ebx, 0
+mov     eax, 1
+int     80h
diff --git a/lesson2/l2.o b/lesson2/l2.o
new file mode 100644
index 0000000000000000000000000000000000000000..3363aea9800636a8a8dc35429000d92f5108aac1
GIT binary patch
literal 624
zcmbVJJ8l9o5FG;vA0-kJ1!V*cR4WnX05qiH4y^eo6s&~SE=U!Ql4Fo?2JXNWI01Q&
z^#~(TWhC!=GxO$+?EM;z-;FV%VWceAOk@}uZx`%K75)DNJ$ZCGMe-0CRRXUD-DAkt
z&~+nSGw^4ida?8k-5~S`+{I|)lrF6J9MMQYxtoW3>G^^a`wcPFLQO;cdMMPj2uz`?
z0qMg%MCKYZ>pKlifWKV&!@{1HJL(VHJqtS)4qMVFlDYL(62I7ZN!-%;+}kPGXI5ay
z^Tn#rM5Fhp-h;i0oX)Z4_RsS@N;h}mt3E{oP2PC*npl@f=00TNyv=<i0Ofx)e3%e_
DXq6{O

literal 0
HcmV?d00001

diff --git a/lesson3/l3 b/lesson3/l3
new file mode 100755
index 0000000000000000000000000000000000000000..51795df56706b0b23529d65fe539a8ccd7725042
GIT binary patch
literal 8684
zcmeI2Jx{_=6owC_AP^F9a56C^4t@+oBQcI9MkoG5Q>0oFVW4-=$*yb;jt>3|44XTP
z6aT@<&A~*^d)pdf92{Is-Zwd%Pj2b6m7bfE&S{}gkX()w#b&o|rLDzxFYUC&)6SNZ
zrIhwjPTUIYPD7ZBT0_#ldeJjryBfkuYF~X%;|J}lRW*c_)zGI%fCNZ@1W14cNPq-L
zfCNZ@1W14c{+7TL58&f@a#%CPqnEes`S|G(r78XdnBa+imP~QU2@10WAw>ctKmsH{
z0wh2JBtQZrKmsH{0wnOi2y{a4I0{U&_QTJ%djMJ8mDi67V!X4ra-^<)3Geu=3bLwx
zc_H6GJ<A)q6|k;pHT!-;9NGDn?`d9N=*#7PD~Ja&h%aOqUYWBf7|D5m*pH*IC%)f}
zV?Q>*$cP{I0u!hk_C#9o^}qyO^=6d%D36SuA}u?s*ZQs2bPz1;egf`CcNDPCkSkwV
zXlem-MKo|9Ub@$S6tepf>M`S>kg4t|CXLa@js!f;#7=}gOFeY&i5%D{{lGcUirV7b
MvnR5NMy7o36Wp&yh5!Hn

literal 0
HcmV?d00001

diff --git a/lesson3/l3.asm b/lesson3/l3.asm
new file mode 100644
index 0000000..982fb18
--- /dev/null
+++ b/lesson3/l3.asm
@@ -0,0 +1,28 @@
+
+SECTION .data
+msg     db      'Le Chat!', 0Ah
+
+SECTION .text
+global  _start
+
+_start:
+mov     ebx, msg
+mov     eax, ebx
+
+nextchar:
+cmp     byte [eax], 0
+jz      finished
+inc     eax
+jmp     nextchar
+
+finished:
+sub     eax, ebx
+mov     edx, eax
+mov     ecx, msg
+mov     ebx, 1
+mov     eax, 4
+int     80h
+
+mov     ebx, 0
+mov     eax, 1
+int     80h
diff --git a/lesson3/l3.o b/lesson3/l3.o
new file mode 100644
index 0000000000000000000000000000000000000000..ebfd09e7a4bb8fd7d2e928883010a805458f4198
GIT binary patch
literal 672
zcmbVJJxc>Y5S_h5qd`$nuo2Wk)aFpMundS+`446_rx(Ztx!po5uTAGq@MlEQ*{4rw
zZ)Inv@7?X{rm=8fZob}|xtV=DZ(k^-#EX)e{6-=zS2!u{zBEw(kFY1zvpWbDgGP1d
zHym!>#dp9R2Dnw{FT?s?Og#g4<Z3jWMcIHxrB{94P$=NeK{<<a*>ejT_UnMOi<}qV
zZx4y^zn_33pM5xob^+?8oot__+U_)6VoW=n7N<>HYrTISOoy*8OpQ5UME0a8F(W1>
zg~VNLwZt~Lw-TGw*xc$Xcn?`+U7RQV3Io<(;`bn?E+1bZcJ}3Yk7#BWUUdxw-mQ{I
zHsP%J5cs7ZpLfAU`p2<0nPlcxE{)Z>l>t_{PIWFfy+O~UNjIRB@1{UoN0Rm%5kEHv

literal 0
HcmV?d00001

diff --git a/lesson3/l3i b/lesson3/l3i
new file mode 100755
index 0000000000000000000000000000000000000000..d7158562b65c1bd701e7e15c6f77b9bdd42f6d3f
GIT binary patch
literal 8684
zcmeI2ze>YU6vj`|RNGRqE-ntHAZQUfXhCpPbm}{V)J9XV9hy7nWL7r^M+YCH(l;n{
z@-dv;90WbzO(I1c99)F&!0Gv$)8w~Z?zuVXo;r>rg}71@8{K)8jwavztkMx*D?73z
z<*bf$>Q$ik>Owu_8j{u3iq3$x)P<H+zv{mFk6Kr)sta9GMV&$dBtQZrKmsH{0wh2J
zBtQZrKmsK2w*;PW0Kc83hc#0=dU<Qjra1jiaFm~?Q~cKiiFpc_LINZ}0wh2JBtQZr
zKmsH{0wh2JB=9c@bR+*b4o$Q6!`s_EfIRQX>j&=W?VY{Nxw4{m8F&0v99dVpx)5(6
zpT`Z|3fR=JiaURmhPbl(E#A|(zEGFT{XsiShB8bpWE5SQvp5{f`Cv3i;;1h{&`Xja
zG2z%q5cNY7su}e~+R63Mggv!poY}bWj82iZ?ZsRCPByd+EbM*)zDIWyS__XBD+|rM
zuY?-D!_W2_5JK#Jgj&pUk;tX)D<<_($BqOnW`eh!r55twiyT-l`@tN@n(AWTvoErZ
ILM}z$C(^w|82|tP

literal 0
HcmV?d00001

diff --git a/lesson3/l3i.asm b/lesson3/l3i.asm
new file mode 100644
index 0000000..1359b64
--- /dev/null
+++ b/lesson3/l3i.asm
@@ -0,0 +1,26 @@
+
+SECTION .data
+msg     db      'Le Chat!', 0Ah
+
+SECTION .text
+global  _start
+
+_start:
+mov     ecx, msg
+mov     edx, ecx
+
+nextchar:
+cmp     byte [edx], 0
+jz      finished
+inc     edx
+jmp     nextchar
+
+finished:
+sub     edx, ecx
+mov     ebx, 1
+mov     eax, 4
+int     80h
+
+mov     ebx, 0
+mov     eax, 1
+int     80h
diff --git a/lesson3/l3i.o b/lesson3/l3i.o
new file mode 100644
index 0000000000000000000000000000000000000000..515b0b154bbd23c3bcef8bbc5cac827eeed3190c
GIT binary patch
literal 672
zcmbVJJ5B>J5FKv<fk=oHNK^=DfHW&1sHhMKs@#DXval;<BeZq_72DEr1db7u8$`+-
z=&9)F;Jw%uPC>(y#`AkKV~?LMdY4Km2~g6IUr*%JCywX(Kw8NE2kc1+)qOatQKP1}
zTb{S<{d@4b5wGLzHR#Zbp;zz@eU6H=h)qZ`x7_iLL=AHZ!daZlp4*VPUmrz#hy{dx
z`v}DMegSU<G4|mcYWe}aZ09`JcDL;VZ`9Az`lM|eXCGhP>4crfESuF6CdUlSYMMkk
z&{j)ovj;1w$&Ib7zJ~Q!I_>=`8#<1w`tuC$AfYLr-!XCV=edt$;jP^21`4=0heWnu
wtOpl-{!2iI8yOxIsWzpQ=1#7R)s>YI-g1-cN^Xl$Ve)Jc3ZQvE#YKAj0MKzYF#rGn

literal 0
HcmV?d00001

diff --git a/lesson4/l4 b/lesson4/l4
new file mode 100755
index 0000000000000000000000000000000000000000..db489fcc23a393607cd980602bac0dabf25115e3
GIT binary patch
literal 8700
zcmeI2y-UMj5XLWU+D7S6aa184MD0*eiiqH#pp%=ULr6cgg|<WU4mz3D&A~sw(LbTu
z(YceGyC68Zx#{!dLxL_2F2X%<y}S30OZ)5elDpVHJg_WFQspEsQFdiJ4IGxMait+H
zDyveILR{x@XgjoPgfyFH6^ZNcf*G_;gtP+etL`GcK^;~?NGrlvS1AD{pahhF5>Nt4
zKnW-TC7=Y9fD%vwe@oz=7x0%Q483DC;oX1Ci~Ka4@JVAHOv9tg$8cLre(&{t?dkY|
z6_pZD0!ly$C;=s)1eAahPy$Lo2`B+2@Lve*x-H*SXMcQMUi(wo^7i2{;rseXIVr=h
z@cn)yOXlHgnS2rXMkcSZFUc#|5LiZ9O6FB0C+pwxE#yw7F8xN`4+b&_P9-p-erG7d
z&Y5X-{gIsXhP|NMX^ZDIgTM=nKQiKV+P?AOhHa60a6T}86W)ws-%TTfDN>Jm@yK6k
z0bS%1?JMv%VP}E+4XM%<hAIx&muG>$#f|qIm{QTc1U!3kJV@lYXh+OCpFz)=Gq7kD
bJay}e>_k!g!8z0%EZg_&;=f`cQQG$joW4sC

literal 0
HcmV?d00001

diff --git a/lesson4/l4.asm b/lesson4/l4.asm
new file mode 100644
index 0000000..7afedfd
--- /dev/null
+++ b/lesson4/l4.asm
@@ -0,0 +1,34 @@
+
+SECTION .data
+msg     db      'A cat!', 0Ah
+
+SECTION .text
+global  _start
+
+_start:
+mov     edx, msg
+call    strlen
+
+mov     ecx, msg
+mov     ebx, 1
+mov     eax, 4
+int     80h
+
+mov     ebx, 0
+mov     eax, 1
+int     80h
+
+strlen:
+push    ebx
+mov     ebx, edx
+
+nextchar:
+cmp     byte [edx], 0
+jz      finished
+inc     edx
+jmp     nextchar
+
+finished:
+sub     edx, ebx
+pop     ebx
+ret
diff --git a/lesson4/l4.o b/lesson4/l4.o
new file mode 100644
index 0000000000000000000000000000000000000000..69b865bae65e1f9c962d385d537f61c5a488d435
GIT binary patch
literal 704
zcmbVKJxjw-6uoJy^%DdKK@b%OKahY@9Gq0p$<5J0pKUaSBuL&HbTVr<e@e${N9Rs%
z{sO^8H#a>ec~8^9#S8bHbHC2ZyX5Zh_{j4-app-?ej|}RTWI9CCUw;RW7MR(>2n12
zl2FZZ=GZrC<7)&vmJ?<yp9VTDrn>0cvNZxVXmjvN&Wht5g?rEu_!yk`Qgabr*2^%o
ziJUX1w~EBLO9H#-<2-eE50Sdg_LrK<EKj&l9?4!8a6FLpsoUewAnP;HV`7k<be^+a
zG1Y^&&-ItnCswTaEoGGWCb%);>rk82s0*;$xIi1HK~(g(xj)doi{+Ype3jdV{{-%*
zGW0fXc@_iQNnsV42ib5T`d7fWOYzhX=iacfsNpLeORTTtOdFLN!IPpOkpwSnhANfI
ScGA{i(8?$Iy&lFUEq(($I6Djg

literal 0
HcmV?d00001

diff --git a/lesson5/l5 b/lesson5/l5
new file mode 100755
index 0000000000000000000000000000000000000000..7e2f3719bbf7eedb7ebce5817867c8e995992dca
GIT binary patch
literal 8772
zcmeI2KTjJ$5XHxTKsG2~8k!WGn?QuH0D*+45|N-3L`pD40)=&8gDv4B@oprjaO*Aw
zA0QvYk}Gf-AyG!DQd&wyM`zyK^Pv+o6ciLQ((KIJ8LjVr-Ja+4{l<DCk&wuek`k)b
zpXtmJ;#NMaEQyE8j10?=tGnH1IwSBi2zr{EISK2Cf-~qvr1T;9UEM?e3w8JyQu;8Q
zbu}fR1eAahPy$Lo2`B+2pahhF5>Nt4;AsgITixc0*wmZ<H?RNfbT>a2KlOV3e!q3`
zrFGunmw+~}^_R_^uiM=Yf4j}i%VxLDt9$P^dfQoM=g4}0v9L)^2`B+2pahhF5>Nt4
zKnW-TC7=Y9fD(8{1lD|OJU=LpygNEDBM%>pm;K1na^25R@PB=033-8-is?z{(U_is
z9*^l)&~q_83+?6r7$qt5Sot}@N$6E1oJF9{VX|Nuacoe}q5k%s{=mLiT@IHEzNw2j
ztOOENj_qF6Z^(WvsF`Y|EaqFI7FhZIqh_UU4i>m9N~yGKOvzZkVWm_l`_@MY$|41G
zQn&stqHTn+8f6w|OTqQx5guhP(M7&)?t$-!*$2)^L>7%g<gvlN6bpPeFPxX4q`A2Z
vMD`@PF|eE`a)q4r>>%<?=I$&++CNX^qszjD=g=nL@xHmd$h513OVoD@l0|P3

literal 0
HcmV?d00001

diff --git a/lesson5/l5.asm b/lesson5/l5.asm
new file mode 100644
index 0000000..8a419b1
--- /dev/null
+++ b/lesson5/l5.asm
@@ -0,0 +1,18 @@
+
+%include '../lib/fl.asm'
+
+SECTION .data
+msg1    db  'Cats and', 0Ah
+msg2    db  'Dogs', 0Ah
+
+SECTION .text
+global  _start
+
+_start:
+mov     eax, msg1
+call    sprint
+
+mov     eax, msg2
+call    sprint
+
+call    quit
diff --git a/lesson5/l5.o b/lesson5/l5.o
new file mode 100644
index 0000000000000000000000000000000000000000..c2f8c633f2b59453cdddee0dc27a978016ee502e
GIT binary patch
literal 800
zcmbVKy-UMT5WkmJs}(hqjym~)7_3+jbtq_^9Mmpq2YuRT18uB%PteJ({f`1&tQn=?
zDE<WjCpWixm%L{haPr{pe)sWymv=8u<%5037-(UTfg}PbslrC&mmr7r{|IrC>eCk(
zObrob70#)?Q5CnauQJqUDm;l^b5ZII`wFT?j%Ja}q8bs3jfufC!V%O7RGLeibEqjk
z?AyVd7R|SaiE*7oZ{i_3Pdqe-{1~d1T`t8ucWe2*+Z&O`yL5u~Cdf?b^LzQd8XO;0
z4#RLT7<67vI=wDU@rk0}uAZI+U1ISm*>49v1>r09`t$)|4^jAmhVqG6H7+?=(teO&
ziMo)U<d=vZo3U51XE)-W<m8`7-<yhA_(}~+|0%RTBXxJ$Ncx=&m_Z)edn`t@_h}ts
z{{rIGp?KvN6JW50HrYReBF0-(LNVzD8bynXCWwaZf{RPIs&fyn9oG?cy9T1=Ij)4e
adq+Z3+!V;H!?}>$lM%-@T81=b<$nMg+FSbo

literal 0
HcmV?d00001

diff --git a/lib/fl.asm b/lib/fl.asm
new file mode 100644
index 0000000..03bcf45
--- /dev/null
+++ b/lib/fl.asm
@@ -0,0 +1,45 @@
+
+slen:
+push    ebx
+mov     ebx, eax
+
+nextchar:
+cmp     byte [eax], 0
+jz      finished
+inc     eax
+jmp     nextchar
+
+finished:
+sub     eax, ebx
+pop     ebx
+ret
+
+
+
+sprint:
+push    edx
+push    ecx
+push    ebx
+push    eax
+call    slen
+
+mov     edx, eax
+pop     eax
+
+mov     ecx, eax
+mov     ebx, 1
+mov     eax, 4
+int     80h
+
+pop     ebx
+pop     ecx
+pop     edx
+ret
+
+
+
+quit:
+mov     ebx, 0
+mov     eax, 1
+int     80h
+ret