From 11a5fffade1ddf3e1787506a46045001cab3f477 Mon Sep 17 00:00:00 2001
From: Kartik Agaram <vc@akkartik.com>
Date: Mon, 12 Nov 2018 22:00:51 -0800
Subject: [PATCH] 4743

---
 subx/056write.subx    |   9 +++++----
 subx/apps/crenshaw2-1 | Bin 3380 -> 3378 bytes
 subx/apps/factorial   | Bin 3397 -> 3395 bytes
 3 files changed, 5 insertions(+), 4 deletions(-)

diff --git a/subx/056write.subx b/subx/056write.subx
index 9cb7a3c7..a8ac3fca 100644
--- a/subx/056write.subx
+++ b/subx/056write.subx
@@ -42,7 +42,10 @@ Test-stream:
   b8/copy-to-EAX  1/imm32
   cd/syscall  0x80/imm8
 
-write:  # f : fd or (address stream), s : (address array byte) -> <void>
+write:  # f : fd or (address stream), s : (address array byte) -> bytes_written/EAX
+    # (If we ever leave the Linux kernel behind, it may be better to return
+    # the number of bytes *not* written. Success would then be signaled by
+    # returning 0.)
   # prolog
   55/push-EBP
   89/copy                         3/mod/direct    5/rm32/EBP    .           .             .           4/r32/ESP   .               .                 # copy ESP to EBP
@@ -58,9 +61,8 @@ write:  # f : fd or (address stream), s : (address array byte) -> <void>
   81          0/subop/add         3/mod/direct    4/rm32/ESP    .           .             .           .           .               8/imm32           # add to ESP
   eb/jump  $write:end/disp8
 $write:fake:
-  # otherwise, treat 'f' as an stream to append to
+  # otherwise, treat 'f' as a stream to append to
   # save registers
-  50/push-EAX
   51/push-ECX
   52/push-EDX
   53/push-EBX
@@ -89,7 +91,6 @@ $write:fake:
   5b/pop-to-EBX
   5a/pop-to-EDX
   59/pop-to-ECX
-  58/pop-to-EAX
 $write:end:
   # epilog
   89/copy                         3/mod/direct    4/rm32/ESP    .           .             .           5/r32/EBP   .               .                 # copy EBP to ESP
diff --git a/subx/apps/crenshaw2-1 b/subx/apps/crenshaw2-1
index e0e90c2f196f82926cb0320cecc2c3d6f77cc57e..3324ed371b26c6942a2de77267acab3491b9b97f 100755
GIT binary patch
delta 1054
zcmZ9LPiPZC6vk(|yV=c}XtdB^Y9!Daq*@CWdk`x96H(Md6cm~wwmC@9!&b6~LJw;w
z6>5ugJ027fkAi;?qF|thLKD1*h|rsQD#D7Qy?E{V-maOq7}(72_rCX=Z)SGiWa^of
zLbh%&hL^_Rmtu^=kdFtKnRlmq_^i9o%jex^d4A9R)X6RP+aY~JXKX2Ji@m(M`%#>k
zl@93gXH@U0SmnK`4U~{qL7G<;?|6^C6@#9nEw*_su?qLK7R<_i^oeXo_nu_{)LID;
zIG-#{h!@I;11U^z&G-FUOGVaqqz2-ZK*aXSZxlz%j5V<0&m_D#SV@R#hVEHH7-k#M
zNr<ErcXn{HfV<B`@OS~iBBku-w&+t1@RQ<<Qs9<YR;HX&;E3isikv_^OYq|;j+RZ<
zzzXI|!(!U`0(T_ed5O>nQIz5~<-2TNz<g%Gl;CycKX8r~Zb`;VVpLItO@wUXtvUxw
z9MsN@t)O}z{=7P6cz_}vX3={rkE&T|q5K}bcgXuutZQ9kK9*v;pj4t#5}yBIPDd~U
zC=a3c7<q?9IyRiU1iQ94uCC$OC_#V^w<i~WUTu2Q(2uX69lPaN*nb0$V~P5!G}j48
z-rn-((tC}(brf+Yie5b8{e|*P<PMVe4{^Uj2XMP#XjTp<+Gd^11H#d}oU$x^rrp1e
zVmRkQ$O$kHrS}zipOAMV;@y<qdGdZCZ-3~8j}7vrM8+86{o<l=ByGW(f^XJ47+CO?
R_cdDxV}##*y=hFTe*tx0I0gU!

delta 1051
zcmZ9LO=#3W6vt<pWRo4YUn*PsB@3-((NbCbz=L2*QxH*Hr65+sws^=vrBQYfdsr7)
zu@<4}hzG@k7eS$jb%li<JZ$K#hkEcLcq;_zVLf>f<9i9o3oazH{NHbW^Cpw5_tpDW
z%)z?B7+xBKUl(H>hI~4>MBbSj;t!nKFt0i9NBD}fy^q_@&LQ2^8CxDK%Wi(J<8_(|
zs|{xP3##`{uJYk77bEmpX!A;PlMm@TDVWn<mMxxZe-8hvF09ISM~iZxtv~Y&3{^J+
z3Fq>yVpgCB;cfW7Uv*V9?V>XXr-KkDTfZ=zm}jhk6@MY)Ey6xRPcx+NlR}6{(M^iZ
zIQ;V$7Yn@m1&Sw46w3~!mzQN;8Q`bolwxvQK2>Hb<3J?)8$(YJo+bHl3@7FVYhVTY
z>w(Qg{RMQQzYDQKBgN%7Y*Bw##Chybm?9Q`QT`L>XybP5SR+RXLwJbLoBXUU!WIkK
zx$G*YFW}~_Qx7ktqh%|bSlYtUV=8T9h?b&f$4A(-_#TK2xOp?gc4CNcMA4f{umy}y
zAv;Fw84N>jZ^+7#)M#!R9^=xax`AV32I^Z6uPyz&-t^`G!Z-46%D!Xc+*^1)%Oose
z7%qMShUg5|V)h2Hby_@~U|Sg9M(;6Vf6GgHwsJTVm2@f<Fbwzb5r$~Vn=$*HPQxO$
zmSA7S><41s5PLOb`(bEW-(vU?!9OH7vV5;RV4UPf<wfI2j}1ErK3MNyFx!B;ua%`^
MjPoa-z8bUYKP~Y!mjD0&

diff --git a/subx/apps/factorial b/subx/apps/factorial
index f57f15615c951d6420c827d4a0190bd80ca55fff..feb07764eb71d5f14e6521283192b44c4b456d1d 100755
GIT binary patch
delta 1083
zcmZ9LL1+^}6ozNA+0AB6Y(Pk8YeU*9h{aw+L2V>$RumD*LBzI#rU%)RRH9huAqjQ`
z6Oq;dZ#_sAQ4~clg(`wup+`Z)g9?HOgCck=9y-1^tNTI&o8A2L?Kl6-X5aP%J@ang
zn#~v<CWB9gF%GAZq&}RHg=%5oR+2gD@=jYSK$@$7vLZrP(sC4jw9VGSQZ;`EC~pSh
ziaeM=E(O<td;{0*zLpr^wXKg4i9xKU<MM%6;yW_$F@l77Xp}Yakq;)mS#VFfC3vim
zx((OioIiJq;aG3iO%Q}~&L=0v#Vey!hq{hjQA#ye<LLT>Rvn(!Ay)R71L5ctW6L<A
zrc-iOuSfR`=^0XVBdrzNNRf}ijSZYkdj}nyt?Z&$^c&s0B@P+ec}1KtT<(iS<9z+p
zrhY~A=<pcH%V9r<E#nCG%fVv)?PExH^gA0VOj1;%@Hh3l;GDpIj_X9?*TyDsffn9~
z98btGhaqetbQ5dwSy-ZL9v{1l>3#T;&#A*h4Dn%B<YM%w0`CLHpOL*z>{s#5%#LNY
zz)%jp<OB`nF$^_FIy5DWk0Luv>`Af9DkeSHwHxL5iYG2wS!n26m+B3~8@T&z!skf6
z4`%qk!!IND9I*k0xbTWhcCZTLCVKZ0Yo#CzD}RAIz}pL_z&n7sh7$yr#C#%KuSG+j
zXtS?k7|!X39<6y4u}_J8M(lV8`#oZ>5&MhSJs}J47WC^EL-u}tSWMYNIUm-fUs0LY
X2>!#B*%J5cl9gUpO8PH;*pu<U-3CGa

delta 1098
zcmZ9LPiPZC6vk(=*<`a#q<Uy+W9!mdL9|{(LA13dDX4f@L<+X3jb0W{6%AB+h)po1
zBudM85X6f)i1-ic!9YO|n|cuRCOwEf2;zW(J@!ys-<!4bLIb<A`Q|s@``*m1-@Vek
zkn8zqF@~4P;MdL=hhaFOE_-+}@ANGsm>t|2uq2N$HroW04IxxW$t?V-nzhAxzV{(e
z-ZaRrJP}7O3D3T4!gIB!Ci?iz9j_3HfE-Lk<ug&|d)vRD1Pb%eQ5M81?~nh0I@MH7
z@Q9Ooplkj*=!(HeI(ZKqLU+!^TO(J5u(n(df?&28MW;>lRN@6CVqh;~gLvvHV-1`M
zrjl|78vdU$q^HRujkL1ZNfwS4H~(TW<vU<wwQLTJ#U7)J*TgYnH$N}Nj2xd6kBrIU
z*tUEp(MO4=$$T`-XR`**V7^XhW-FhfTk>7j7A9F-)8abi^Xzk&&(7J}_`R{s*rCQt
z+T$g8R8WLXglytNbOu_?m}fI}RG-34E>VW(DB@AN^07WA-&;j_4cQ8@-^FLMBeSaw
zrn=xJ$7#wzF|-+NvB{u(2H8Wzx?*2!$hi)?HlK|y<JcI70H5wm%>TaR%RH>d7qA?=
zQ7qy55*|mD)>o+35h%H}<?l3mh1eAoaVK1vXkmF0<TCmmCe}hR?BN@%0N*qWzIR;1
zae_1Ae!Qbt&{JP&_iv*Z*1Q|~D4Q3WeNF5Vu@_s|pPDTb`-j-UkcCeT^7V`T)=@qp
jCanXVbI_CeVr8#F@RbkDns{Q3#M(B3K$hP~Ya;p&c8NwJ