From f86bc9b23bad875233c65765c08ba03bb07c17f6 Mon Sep 17 00:00:00 2001
From: Trevor Maze <rochesterx@rochesterx.dev>
Date: Wed, 18 Mar 2026 16:56:37 -0400
Subject: [PATCH] Column

---
 plat.nes | Bin 40976 -> 40976 bytes
 plat.s   |  14 ++++++++++----
 2 files changed, 10 insertions(+), 4 deletions(-)

diff --git a/plat.nes b/plat.nes
index 1a9f9b6c4fd7b600e09792112b76fa5f3b4e867e..2516194a4eb61d55818cfd62e4e2348eefcb8a15 100644
GIT binary patch
delta 705
zcmbPmfN8=3rVS~KjJlIk88w;MIwntG)Z@47ILYvVedYgFQJ-Ut3Z|RSGP*Gucz^^s
zmkM(>v<mx3G%pp_tZx-w#GoJz5*Jv+xKyN75GeSsRd}gFtCE7kWM}4Rv0#uS-%|OL
zj2}2w{%jQjN+~J?Pu{}3UNXKzVREN}PN%}r4xii>APMEhPp)B6(D>UqSApflgAW(J
zE@IgGwrj2cD~y9GGx-RMt>lY#iBySIdlgtT>ld*qoN8aS_ilGDyTaaklNH!Ru*lvA
z%RZRw%cdIu(zIeFtHO)+6+0hxYcjV=>{Ub);^In`016vm2ty?dktHUdVw0czm{kR4
ztpF=NM<K}~9A&DH<QPGqeq{GS?NmS(p1hGwgcYm@X#2YOQ^4SmTd{Iui?r7<=?lL#
z87Hb})-M2ivCCs68z_Kw-tC^t#Juxf_grS?o%g%vvM}#_&^?!xIb(&Fmqe=UTn6Tq
z4!|G*ngc|08JTCSdhvk&1GA5D`%3=F=h#;;mP{_^kQaE-4h;9DyudhS+bh88vv~3{
z4l~AElkZ|maZcvpbW;rIl*nY0$b!HXD+Pd7pcqgvxfrNwI{{VKH{aq^FWb!3z@`8I
D=vW<5

delta 684
zcmbPmfN8=3rVS~Kj4G2;88w;ywojhGsK;;GagyN!`^x{VqCUqO6?8VAWpraSum=fp
zE*0i%XchL6XkIF;S>GzWh(SRJBrdRsaj8hFAW-mMtMF2VRwV`T$<EBtVqPFgzNPXf
z89#8W{Mjl5lu}gin!JU1y<}L2LRY7Pa;L(c4xii>APMD$O|D^4(D>3hSApflgAW(J
zE@IgGq-(AKD~y9GGx-RMt>pc7iBySIdlgtT>ld*q9Bf~;_eys!yTab9lNH!Ru*hBm
z%U+-C%cdIu(zIeFtHS;E6+3TqYcjV=>{Ub);^In`016vm2ty?dktHUdVw0czm{kR4
ztpF=NM<K}~9A&DH<QPGqeq{GS?NmS(p1hGwgcYm@X!|;cgTUaBTd}fvqKany0<h1z
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z$=BIeFlJ9~;E)%%-wq7krM$qXWZNsi>N9KddJZ$ji<6&WN-<0p<#bbY@07@7lgNU=
k6)OdRfs0~5`s5m*s&xcZo!k7FQ@w1m0vG3It_C&*0Q0{R0ssI2

diff --git a/plat.s b/plat.s
index 8252ac8..d59222a 100644
--- a/plat.s
+++ b/plat.s
@@ -15,8 +15,6 @@ INES_SRAM   = 0
 .segment "TILES"
 .incbin "background.chr"
 .incbin "sprite.chr"
-
-
 .segment "VECTORS"
 .word nmi
 .word reset
@@ -1493,6 +1491,7 @@ update_nmt_column:
     @row_loop:
         lda tile_update_pos_r
         clc
+        ; Add offset in tiles from left edge of screen
         adc #8
         sta var_n
 
@@ -1534,7 +1533,14 @@ update_nmt_column:
         adc var_p
         tay
         ; Specifies what tile gets written to the column
-        lda #%10000011
+        lda #%10110001
+        sty var_m
+        :
+            lsr
+            dec var_m
+            bne :-
+        
+        and #%00000001
         sta (pointer), Y
 
         and #%01111111
@@ -1592,7 +1598,7 @@ update_nmt_column:
         :
 
 
-    lda #1
+    lda #15
     sta nmt_update_len
 
     rts