From 355a4de5599e0799f1699aac0fe41d592827a374 Mon Sep 17 00:00:00 2001
From: DeaDvey <deadvey@deadvey.com>
Date: Sat, 7 Jun 2025 15:42:27 +0100
Subject: [PATCH] can compare strings and output help text when user types HELP

---
 README.md                        |   6 +++---
 disk_images/crawos.flp           | Bin 1474560 -> 1474560 bytes
 disk_images/crawos.iso           | Bin 1835008 -> 1835008 bytes
 source/.kernel.asm.swp           | Bin 12288 -> 12288 bytes
 source/features/.cli.asm.swp     | Bin 12288 -> 12288 bytes
 source/features/.strings.asm.swp | Bin 0 -> 12288 bytes
 source/features/cli.asm          |  17 +++++++----------
 source/features/strings.asm      |   4 +---
 source/kernel.asm                |   2 +-
 source/kernel.bin                | Bin 334 -> 355 bytes
 10 files changed, 12 insertions(+), 17 deletions(-)
 create mode 100644 source/features/.strings.asm.swp

diff --git a/README.md b/README.md
index 38ce06f..215ac34 100644
--- a/README.md
+++ b/README.md
@@ -1,3 +1,3 @@
-Kernel written in Assmebly
-I don't really know what I'm doing
-I am using the MikeOS bootloader (which is why I've got the MikeOS license)
+Kernel written in Assmebly<br/>
+I don't really know what I'm doing<br/>
+I am using the MikeOS bootloader (which is why I've got the MikeOS license)<br/>
diff --git a/disk_images/crawos.flp b/disk_images/crawos.flp
index 72c00169bcfb03919c262fdfc83c008b2cb66430..247e5bf5d22028dedb69dd8fe90ec1e747f18be4 100644
GIT binary patch
delta 1796
zcmZo@h-zqv+F+)}p;LN1ikTsqakC)Pd%?{LOqaPQxyUdcoGj~7!L^=Y1H-EQFBo2E
zO`h)}rT3!m|GqyAFVg>mgf{(8Je=^N=KsDI4EtFbUsN$P{A4U)esS~vJ}$-=!T(=;
znf$>;I?+mj!Nb)jfFUF!vsfXsSi!j{vD`mcN1>#$AXPyLB&DQ~mS3chk(yJ$5Sd>J
zmPoNuU<e5cb!BjK^a*xl*ufsWn~`BBGs9WQKWo;NvfD6}u)X~He<Q=;jf{t3&VB%L
c`zWEnG#Un@VKAB(Mzg`@(QJS>8~CvS0Ii>g3jhEB

delta 1782
zcmZo@h-zqv+F+)}v9{oN6f=V#<7Ppo_kx=hm@acqa*<)QnJnv4!8L<n1H-EQ9~oY#
zPoD20WwDQy@kQ2u5P$3c#KQ?M>i_RkW_%Ixf8R%j7eW7D6o44}`59k?Gc^2UEMb0e
z_WwQ+#ux7YCkrx(csds)miq@Q*eNi0xcUSzgk)qED`XZcK!h10^Gg*<DhpCmtP~h_
zum|sEWZ22fa8@#5&AL){8-^10mtX&HWJo-`kumWw%%KlJt{o*5m`1~3Gz>=b!e}<w
MJem#gW`krl09V(7%m4rY

diff --git a/disk_images/crawos.iso b/disk_images/crawos.iso
index ab522e01b366b1a6c998372383e3f5ee0c11ac18..a657729be692d4eb1c4365143b32351b0c830930 100644
GIT binary patch
delta 500
zcmZo@C}?OX*s!UAOH+b{iGhKUfq`*zVRIAXWV@!Hq9%q$CI$v9Mg~Tv24)84hNd8a
z$v(|;EFi|_yyg`)OqvptB@QTnC@TmRb3ltpQ(|++fpw-FI;F>>m>H58H!>cQohHI4
z!+3DItO#QT*LsEx46F9PV0fW5eZB~zl-`TJ|NH(hyh#5K65I4Y@o>V6n*aM=Fzjb#
zd{M>F@RPBG`Nhru`?wfi1pj~WW%>sZM(IQ=1qKgSp8$rCjLc$%%wh%SqQr9lU>${$
z%7Rn{C6JVoLRx;2LPly%0YhYdDOe)KN`WCHDAbj~&Cw^=m0<^a@NPzioy-hpCI75h
hSITa~P{Q`|>;H`mhc_}F-pKgBextyLVTSMJ0st1p+~5EJ

delta 484
zcmZo@C}?OX*s!UAi&dJ1iGhKUfq`*zVRIAXWV@!Hq6Vf$<^~2VMg~Tv24)84hNd8a
z$v(|;EFi|_yyg`)OsvwAB@QTnC@TmRb3luUReE#Bfpw-FYYUD?F*EovZe%<pJ57X9
zhS6ratO#QT*9?XY46F8kWO$)IeZB~zl*K+)#ur)tK>}O<Cmv3CQU8CRGUJPg|NA~N
zya@XLq5#C$&(HWGoT1?-V+r$%v;X&rFurjAKao+y)43?I+&@^sPJzM0)hB=<BqOs}
zA+uNkBFqq(U#d`2S&*7yrNFR*J$N@G!%k*~vyusG)|Il`FqE*r{Q7?*L*n6$j3E5K
NextyLVTM2F0swYX*c<==

diff --git a/source/.kernel.asm.swp b/source/.kernel.asm.swp
index 930c8e363dbdd9b6dca6322f2e2d6e14751ddae3..e50700aaecad552d87c605a1f26f62925739f976 100644
GIT binary patch
delta 74
zcmZojXh@JsG6?hZRj|}EWME)m5MW@i_jk#tZx3SNYuqR$rMQ`yrHFm9wz9zF02TAi
eZ#AAX@fQ?j=9R=}q~;XFm!wvdY<{dQ%K`xGi58^*

delta 549
zcmZojXh@JsG6?hZRj|}EWME)m5MW?Xba%<9Zx3SFS+G$`O0j+l2LnSi2LppC2Ll5G
z2Lr=Rb_Rxv><kPi*clj>urn~sW@li?WoKZ>VP{~-W@lhfV`pIa#>T*~g^htBmyLlz
zmyLlzn~j0t87l+BPF4nn5>^HVeO3kr0agZv(<}@OEi4QS_ACqxb}S4GtSk%+$C()z
zjxjSZ9A#!;*v!lz&M=pmfuW0;fgy*Pfx()YfkBIzfkBgb<HAJ7$;&hZm>H}UCU4Zx
zgVNGs4Au&^XaJ%_SR7M|fdM4PsA&z=ZpH!?u$z29g9R+es0n7XGFU^Df_Y$>jT$mw
z8ma<=y-`C8SqyH1Eml!G7F&=78#Q!MrNIu`sG-dRcRfUzq6o48*vAkF6|nw|8b(lB
t8A_WWG=Npx+JY^Fx_<L3jaN+k`Ni?cIjM<7@x{qSsi}FJA8X69005epa}odm

diff --git a/source/features/.cli.asm.swp b/source/features/.cli.asm.swp
index 13e6378c84a3b74ba2d29772fb34e21940daefd7..0983c75f5ac31284331a2cf067e8caa051e222ae 100644
GIT binary patch
delta 529
zcmZojXh;xCG6?hZRj|}EWME)m5MW@K<nNLp*1b{e7eAxkW<i0^{Ph+*3=AB+5LrEt
zDh39IPy7rFulX4mUh*?AT;gY7xX91IaFCyYVKqMk!zz9ThH3l^3{&|T80z>L7;5<$
z7|Qt>7>f8A7z+6r80`2N7;O0&7!3Fs7&Q4A7&Q197zFqk7=H3GF#O<SU|7e;z%YxC
zfuWU;fgy*FA)6tQkAcCLkAcC5kAcCNkAcB}kAXp-kAXpskAZ=kkAdM6F9X9(UIvC6
zybKK2c^Me?@iH(h<7Hsz<z-+9<7Hsb<7Hrw;e~kOBM$?^9UcaT+dK>mM|c<*mhmt!
zEahQfSi-}=(95%#k!3!2eOh8pajHT}l7hOMqffA_x{iVYLrGC-S{e=sh}sYwve<Ru
zQk<AmEDtdc#cqgDNKmM&y3XX^I__dR3MG{VsR~LSu08=u3TgR83K^+61(Th0^%<=u
z7wc;A7o{eq#3$!u>ZN7oWfo^_o~$d+I9XHw@MK|qF>y`?&Vth7j6{a~;`ri{#G(?A
HN-G8c=qz{g

delta 367
zcmZojXh;xCG6?hZRj|}EWME)m5MW?<#paSx(6v$Q7eAxnW<i0^{Pjva3=IExAhKXp
z3=9mP_!$^p^D{8K;%8vE#m~TSgr9-oFh2vsdVU6mb^Htr)A<<~rtvc{OyFl==;mi&
z=;CK!2<K;D2;*m9@Z@J;aN=iRaO7uT(Bx-e5aMTG5aefI_`=7)aF36H;VvHo!%02{
zhRu8o44e2Ek{M?6F)+;HV_*p2V_>l1V_;C{V_@LpV_;zBV_<mC%fRrCmx19aF9X9R
zUIvDXybKHnco`Vh@-i??;bmZ$%*((qiI;()l9z!YftP{7otJ?@jThpfk30+vzjzoJ
ze)4Qq6ky}wPs-2FNd*&$c?u~>leKl-CwJ)TGbz|j-l40t`M0hp<K&OJVv`T(b4{MF
zuPv0EpPQSQml9u;T3nh_5?_*9G5Nf{)MNqu!y*Nx#TkhV`Ni?YC5c5P@yR)vRtx|h
Cwo?rN

diff --git a/source/features/.strings.asm.swp b/source/features/.strings.asm.swp
new file mode 100644
index 0000000000000000000000000000000000000000..182d1195973acbd46c9409e8f0eb10491b603d27
GIT binary patch
literal 12288
zcmYc?2=nw+u+%eTU|?VnU|?A2=aOOH9>j2_kbxmRF*h?W9VCGtr=_Ok7bW6X1Cp(S
z7^t6|pOUJdSe&b$T$EUzU#wr8Us{x$s-KpcSW;S)TC87OQk0pOUaXf`oD0%6ibq3W
zGz2IOfzpyRT?<|YV<STYkWtD?iVDI)p&;fc9u0xf5Eu=C(GVC7fzc2c4S~@R7!85Z
z5EvmLP*T9iP|v`?zy$TL6qIH}qoLeUYBU5!Ltr!nMnhmU1V%$(Gz3ONU^E0qLtr!n
zMnhmU1V%$(2!=pn3IoG*9tH++Uda4EtpERrpMjx@pMk-SpMgQ0pMimapMl{f9|OZ7
zJ_d$FJ_ZIKJ_ZJNJ_ZIiJ_ZIGJ_ZI;J_ZI!J_d$|ybKK6c^Mcc@iH(J@-i?K@G>x@
z@iH)&@-i?O@G>yy^D;1~^D;2V@Ivfl<Yi#^%)`KNmxqDj91jD-aUKSSQ#=d|yLpCS
zV2(O@Gz3ONU^E0qLtr!nMnhmU1V%$(Gz3ONfL0;ES(IABz*&%AkjTIZVJAbW#GD+3
z{NnfmG;UF5UP*j$392Y6uK-0&Zho0Ua*mFIA%k9OVQFHH6$1lAIZVQUlhazkIU_MI
zJyoG3U%@~jGfkm152Q4+q*5WXSfQXOzbrM6L9a9qZa`LUfr4Iger`cxQ7TBgTV`Hj
zPEMtcLQ!f#YGMfkXI82L#5$0yXPQE0i9$wVF-X3ov?x!Zq^LBNfipR`Kp`<lM*-@B
z)Z}cC-H?^jAdAy7^D>JwQd1Z>v+`0EVD>{zEXhc%R7fmJRmjU%0J}>^A*(dE0OSRj
zN(Rp2<iz46PLK{~h+`E}GC?YeGZ{E@@>7bF7+}7zVqoA*&Pid&FOG-$D<0yIVk=Gt
zYXwXY?5SXDrvNrYAtygErC6aXF{d<Dp|~W!C^bbPu|y%*6J(WRghFCoib6?7YMw%7
zUUE@tZfaghF-S5qO~J(t<WB>v7AV9qSS#eF=H?ewDkP?)6r~myD;QZR)D+j`)g;zr
z*QC}M)PS9Zsmu_rtOTY=K>@oZW!Qzm24i!#izg_K@VVOs95CRJSAYg3TG(XfDY$ql
zlxJinXMnt~UaYQAo>`Ki0AfIcFEdZUF+!mzH9fPqB(;daTEQc~TmcdxP(w3|^YawS
J^NX^J82~>TEu#Pc

literal 0
HcmV?d00001

diff --git a/source/features/cli.asm b/source/features/cli.asm
index 852bdf1..7e2765f 100644
--- a/source/features/cli.asm
+++ b/source/features/cli.asm
@@ -1,5 +1,7 @@
 os_start_cli:
 	pusha
+	
+	call os_print_newline
 
 	mov si, prompt
 	call os_print_string
@@ -19,14 +21,6 @@ os_read_cli:
 .output_the_user_input:
 	call os_print_newline
 
-	mov si, command_result_text
-	call os_print_string
-
-	mov si, user_input
-	call os_print_string
-
-	call os_print_newline
-
 .check_matches:			; Check if the user input matches any internal commands
 	mov si, user_input
 	mov di, help_string
@@ -40,10 +34,13 @@ os_read_cli:
 print_help_text:
 	mov si, help_text
 	call os_print_string_nl
+	call os_read_cli.finish
 
 
 user_input times 20 db 0
-prompt db 'CrawOS > ', 0
+prompt db 'CrawOS: ', 0
 help_string db 'HELP', 0
-help_text db 'This is CrawOS', 0
+help_text db 'This is CrawOS, type "HELP" for help', 0
 command_result_text db 'You typed: ', 0
+true db 'TRUE', 0
+false db 'FALSE', 0
diff --git a/source/features/strings.asm b/source/features/strings.asm
index a921896..01abb11 100644
--- a/source/features/strings.asm
+++ b/source/features/strings.asm
@@ -7,7 +7,7 @@
 ;                    ^
 ;                   SI => lodsb loads value stored at SI to AX and then increments SI if DF is 0
 os_compare_strings:	
-	pusha
+	cld
 
 .compare:
 	lodsb
@@ -19,10 +19,8 @@ os_compare_strings:
 
 .unequal:
 	mov cl, 0		; Change to 0 if unquality is proven
-	popa
 	ret
 
 .equal:
 	mov cl, 1
-	popa
 	ret
diff --git a/source/kernel.asm b/source/kernel.asm
index 6a0663b..a34ecb3 100755
--- a/source/kernel.asm
+++ b/source/kernel.asm
@@ -37,7 +37,7 @@ os_main:
 	je no_change
 
 no_change:
-	call os_clear_screen
+	call print_help_text
 	call os_start_cli
 
 bootdev db 0
diff --git a/source/kernel.bin b/source/kernel.bin
index 0067e28c7163450871d56be8b8f6ae44ffa3f0d3..c2df7e40129f5dc526d51840b3d8b8b09c91e62d 100644
GIT binary patch
delta 173
zcmX@d^q6Ua4CBFxvK3tG88$Gi+W&&#h1SIRQhG1?{_p$4@FM*`NMzIh#KQ?MYX0wg
z!LXl|@kJFw!%xN%<`*~r@8e>85&Zwfmx&*w6Ri{&JY0PO7(y~Kixo196`YF_%l(6O
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Xvu0f>yA4AL+sm*2H!>XF$aok4v=B)H

delta 176
zcmaFNbdG6)45Q6N*$S>13>z3$?f=N|LVe<Vsrr4aj4!hOgScD&Cmv3CQU8CRGUJPg
z|NA~Nya@XLq5#C$&(HWGoT1?-V+r$%v;X&rFurjA&wvFu7bTYa2P@bqFnGB71TchT
zWELxA7Aru686xvb6-p`#Qd6uH7<RA+?`CA!$;=>jRx)ADx>9x<h7$IdU;l4pNIble
HG4U_}S{p;?