From d054dbbfc817d232c5e7c80981153cec991642e0 Mon Sep 17 00:00:00 2001
From: Karkat <north@tinymagnet.com>
Date: Mon, 9 Jul 2018 02:24:24 -0400
Subject: [PATCH] let's dev july 8 2018

not a lot
---
 LTTP_RND_GeneralBugfixes.asm |  8 ++++-
 fileselect.asm               | 63 ++++++++++++++++++++++++++++++++++++
 hooks.asm                    | 19 +++++++++++
 previewdatacopy.asm          |  2 +-
 4 files changed, 90 insertions(+), 2 deletions(-)
 create mode 100644 fileselect.asm

diff --git a/LTTP_RND_GeneralBugfixes.asm b/LTTP_RND_GeneralBugfixes.asm
index 6d13ed9..f2345e1 100644
--- a/LTTP_RND_GeneralBugfixes.asm
+++ b/LTTP_RND_GeneralBugfixes.asm
@@ -26,7 +26,7 @@ org $3FFFFF ; <- 1FFFFF
 db #$00 ; expand file to 2mb
 
 org $1FFFF8 ; <- FFFF8 timestamp rom
-db #$20, #$18, #$06, #$13 ; year/month/day
+db #$20, #$18, #$08, #$08 ; year/month/day
 
 ;================================================================================
 
@@ -164,6 +164,7 @@ incsrc compression.asm
 incsrc retro.asm
 incsrc dpadinvert.asm
 incsrc boots.asm
+incsrc fileselect.asm
 warnpc $A58000
 
 ;org $228000 ; contrib area
@@ -269,6 +270,11 @@ warnpc $B08000
 ;$3F reserved for internal debugging
 ;$7F5700 - $7F57FF reserved for downstream use
 ;================================================================================
+;SRAM Map
+;$70:0000 ( 4K) Game state
+;$70:1000 (20K) Log entries
+;$70:6000 ( 8K) Scratch buffers
+;================================================================================
 ;org $0080DC ; <- 0xDC - Bank00.asm:179 - Kill Music
 ;db #$A9, #$00, #$EA
 ;LDA.b #$00 : NOP
diff --git a/fileselect.asm b/fileselect.asm
new file mode 100644
index 0000000..25c501f
--- /dev/null
+++ b/fileselect.asm
@@ -0,0 +1,63 @@
+;DrawPlayerFile:
+;	PHX : PHY
+;	
+;		; draw bow
+;		LDA.w #$21DA : STA $1070
+;		LDA.w #$21DB : STA $1072
+;		LDA.w #$21EA : STA $10A2
+;		LDA.w #$21EB : STA $10A4
+;		
+;		; draw bow
+;		LDA.w #$21DA : STA $1070
+;		LDA.w #$21DB : STA $1072
+;		LDA.w #$21EA : STA $10A2
+;		LDA.w #$21EB : STA $10A4
+;		
+;	PLY : PLX
+;	LDA.w #$0004 : STA $02 ; thing we wrote over
+;RTL
+AltBufferTable:
+ 
+    REP #$20
+    LDX.w #500 ; 10 rows with 50 bytes (23 tiles * 2 + 4 byte header)
+    ;fill with the blank character
+    LDA.w #$0188
+    -
+        STA $1000, X
+        DEX : DEX : BNE -
+ 
+    ; set vram offsets
+    LDA.w #$2861 : STA $1002 ;file 1 top row
+	
+    LDA.w #$4861 : STA $1034 ;file 1 bottom row
+	
+    LDA.w #$6861 : STA $1066 ;gap row top
+    LDA.w #$8861 : STA $1098 ;gap row bottom
+	
+    LDA.w #$A861 : STA $10CA ;file 2 top row
+    LDA.w #$C861 : STA $10FC ;file 2 bottom row
+	
+    LDA.w #$E861 : STA $112E ;gap row top
+    LDA.w #$0862 : STA $1160 ;gap row bottom
+	
+    LDA.w #$2862 : STA $1192 ;file 3 top row
+    LDA.w #$4862 : STA $11c4 ;file 3 bottom row
+ 
+    ; set lengths
+    LDA.w #$2d00
+    STA $1004 ;file 1 top row
+    STA $1036 ;file 1 bottom row
+    STA $1068 ;gap row top
+    STA $109A ;gap row bottom
+    STA $10CC ;file 2 top row
+    STA $10FE ;file 2 bottom row
+    STA $1130 ;gap row top
+    STA $1162 ;gap row bottom
+    STA $1194 ;file 3 top row
+    STA $11c6 ;file 3 bottom row
+ 
+    ; Set last packet marker
+    LDA.w #$00FF : STA $11f6
+    SEP #$20
+ 
+RTL
\ No newline at end of file
diff --git a/hooks.asm b/hooks.asm
index fe3e4eb..88187ea 100644
--- a/hooks.asm
+++ b/hooks.asm
@@ -72,6 +72,25 @@ org $09F60B ; <- 4F60B - module_death.asm : 530 (LDA.b #$10 : STA $1C)
 JSL.l OnQuit
 ;--------------------------------------------------------------------------------
 
+;================================================================================
+; Title Screen
+;--------------------------------------------------------------------------------
+org $0CCE41 ; <- 64E41 - Bank0C.asm : 1907 (DEC $C8 : BPL .done)
+LDA $C8 : EOR.b #$04  : STA $C8 : NOP #2 ; set cursor to only select first file and erase
+org $0CCE50 ; <- 64E50 - Bank0C.asm : 1918 (INC $C8)
+LDA $C8 : EOR.b #$04  : STA $C8 : NOP #4 ; set cursor to only select first file and erase
+org $0CCE0F ; < 64E0F - Bank0C.asm : 1880 (LDX $00 : INX #2 : CPX.w #$0006 : BCC .nextFile)
+NOP #9 ; don't draw the other two save files
+;--------------------------------------------------------------------------------
+;org $0CD527 ; <- 65527 : Bank0C.asm : 2913 (LDA.w #$0004 : STA $02) [LDA.w #$0006 : STA $02]
+;JSL.l DrawPlayerFile : NOP ; hijack hearts draw routine to draw a full inventory
+
+org $0ccdd5 ; Bank0C.asm:1881 (LDX.w #$00FD)
+JSL.l AltBufferTable : NOP #8 ; Selection screen
+org $0cd393 ; Bank0c.asm:2674 (LDX.w #$00FD)
+JSL.l AltBufferTable : NOP #8 ; Delete screen
+;--------------------------------------------------------------------------------
+
 ;================================================================================
 ; Duck Map Load Hook
 ;--------------------------------------------------------------------------------
diff --git a/previewdatacopy.asm b/previewdatacopy.asm
index ca0da9b..8bee1d7 100644
--- a/previewdatacopy.asm
+++ b/previewdatacopy.asm
@@ -30,7 +30,7 @@ WriteStatusPreview:
 		LDA #$70 : STA $4304
 		
 		LDA #$80 : STA $4305 ; set transfer size to 0x180
-		LDA #$01 : STA $4306 ; STZ $4306
+		LDA #$01 : STA $4306 ; STZ $4307
 		
 		LDA #$01 : STA $420B ; begin DMA transfer
 		;--------------------------------------------------------------------------------