From 7f96fc5e7f412a66d460dcaa82bbdbcaea08f360 Mon Sep 17 00:00:00 2001
From: Melodi <62381002+Melodi17@users.noreply.github.com>
Date: Thu, 28 Aug 2025 12:35:24 +1000
Subject: everything is finally at peace

---
 ROMs/_old/hello_world.asm          |  42 +++++++++++++++++++++++++++++++++++++
 ROMs/_old/hello_world.q1           | Bin 0 -> 2151 bytes
 ROMs/_old/manual.q1                | Bin 0 -> 10 bytes
 ROMs/_old/write_display_direct.asm |  21 +++++++++++++++++++
 ROMs/_old/write_display_direct.q1  | Bin 0 -> 51 bytes
 5 files changed, 63 insertions(+)
 create mode 100644 ROMs/_old/hello_world.asm
 create mode 100644 ROMs/_old/hello_world.q1
 create mode 100644 ROMs/_old/manual.q1
 create mode 100644 ROMs/_old/write_display_direct.asm
 create mode 100644 ROMs/_old/write_display_direct.q1

(limited to 'ROMs/_old')

diff --git a/ROMs/_old/hello_world.asm b/ROMs/_old/hello_world.asm
new file mode 100644
index 0000000..1d812fb
--- /dev/null
+++ b/ROMs/_old/hello_world.asm
@@ -0,0 +1,42 @@
+.org $1FFF
+JMP program
+
+font:
+    .include "font.bin"
+
+program:
+    MOV 0, V0 ; Load character #12
+    MOV 0, V1 ; X position
+    MOV 0, V2 ; Y position
+    MOV 1, V3 ; Color (1 = white)
+    CALL write_char ; Call function to write character
+    SUS
+
+write_char:
+    ; V0: Character to write
+    ; V1: X position
+    ; V2: Y position
+    ; V3: Color
+    ; Write a character to the screen at (V1, V2) with color V3
+    
+    MUL V0, 64 ; V0 = Character * 64 (character size)
+    MOV AX, V0 ; Store result back into character
+    
+    MUL V2, 64
+    ADD AX, V1
+    MOV AX, V4 ; V4 = X position + Y position * 64 (screen index)
+    
+    MOV V4, [$EFFF] ; Debug
+    
+    MOV [V0 + $2003], V5 ; Read character (1FFF + 4 since jump address is 1FFF)
+    MOV V5, [$EFFF] ; Debug
+    AND V5, $01 ; Mask to get first bit (color)
+    MOV DX, V5
+    MOV V5, [$EFFF] ; Debug
+    MUL V5, V3 ; V5 = Character * Color (color index)
+    MOV AX, V5 ; Store result into V5
+    
+    MOV V5, [$EFFF] ; Debug
+    
+    MOVB V5, [V4 + $402F] ; Write character to screen memory
+    RET
\ No newline at end of file
diff --git a/ROMs/_old/hello_world.q1 b/ROMs/_old/hello_world.q1
new file mode 100644
index 0000000..fd66ffe
Binary files /dev/null and b/ROMs/_old/hello_world.q1 differ
diff --git a/ROMs/_old/manual.q1 b/ROMs/_old/manual.q1
new file mode 100644
index 0000000..b166c7a
Binary files /dev/null and b/ROMs/_old/manual.q1 differ
diff --git a/ROMs/_old/write_display_direct.asm b/ROMs/_old/write_display_direct.asm
new file mode 100644
index 0000000..9fde417
--- /dev/null
+++ b/ROMs/_old/write_display_direct.asm
@@ -0,0 +1,21 @@
+.org $1FFF
+
+program:
+MOV $0000, V0
+MUL 32, 64 ; Set AX to 32 * 64
+MOV AX, V1 ; Copy AX to V1
+MOV 1, V2 ; Color value 1
+
+reset:
+MOV 0, V0
+INC V2 ; Increment color value
+
+draw:
+GT V0, V1 ; V0 > V1?
+BZ        ; If number exceeds, branch to reset
+JMP reset
+
+MOVB V2, [V0+$402F] ; Set pixel at V0 to color 6
+INC V0 ; Increment V0
+
+JMP draw ; Repeat drawing
\ No newline at end of file
diff --git a/ROMs/_old/write_display_direct.q1 b/ROMs/_old/write_display_direct.q1
new file mode 100644
index 0000000..4041649
Binary files /dev/null and b/ROMs/_old/write_display_direct.q1 differ
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