From f974f439d28937c1ebe4f62426862f961d95a2e0 Mon Sep 17 00:00:00 2001
From: unlockable <g@unlockableworld.com>
Date: Thu, 11 Jul 2024 20:14:30 +0800
Subject: [PATCH] Display 4 digits

---
 16display_4_digits.asm      | 23 +++++++++++++++++++++++
 16display_4_digits.txt      | 19 +++++++++++++++++++
 16display_4_digits_mars.txt | 19 +++++++++++++++++++
 3 files changed, 61 insertions(+)
 create mode 100644 16display_4_digits.asm
 create mode 100644 16display_4_digits.txt
 create mode 100644 16display_4_digits_mars.txt

diff --git a/16display_4_digits.asm b/16display_4_digits.asm
new file mode 100644
index 0000000..429afb6
--- /dev/null
+++ b/16display_4_digits.asm
@@ -0,0 +1,23 @@
+    lui     $s0,                0x4000
+    addi    $s0,                $s0,        0x10
+loop:
+    addi    $s1,                $zero,      0x179
+    sw      $s1,                0($s0)
+    jal     wait_for_some_time
+    addi    $s1,                $zero,      0x271
+    sw      $s1,                0($s0)
+    jal     wait_for_some_time
+    addi    $s1,                $zero,      0x477
+    sw      $s1,                0($s0)
+    jal     wait_for_some_time
+    addi    $s1,                $zero,      0x858
+    sw      $s1,                0($s0)
+    jal     wait_for_some_time
+    j       loop
+
+wait_for_some_time:
+    lui     $t0,                0x0001
+wait_loop:
+    addi    $t0,                $t0,        -1
+    bgtz    $t0,                wait_loop
+    jr      $ra
diff --git a/16display_4_digits.txt b/16display_4_digits.txt
new file mode 100644
index 0000000..d6231b9
--- /dev/null
+++ b/16display_4_digits.txt
@@ -0,0 +1,19 @@
+20'd0: instruction <= 32'h3c104000;
+20'd1: instruction <= 32'h22100010;
+20'd2: instruction <= 32'h20110179;
+20'd3: instruction <= 32'hae110000;
+20'd4: instruction <= 32'h0c00000f;
+20'd5: instruction <= 32'h20110271;
+20'd6: instruction <= 32'hae110000;
+20'd7: instruction <= 32'h0c00000f;
+20'd8: instruction <= 32'h20110477;
+20'd9: instruction <= 32'hae110000;
+20'd10: instruction <= 32'h0c00000f;
+20'd11: instruction <= 32'h20110858;
+20'd12: instruction <= 32'hae110000;
+20'd13: instruction <= 32'h0c00000f;
+20'd14: instruction <= 32'h08000002;
+20'd15: instruction <= 32'h3c080001;
+20'd16: instruction <= 32'h2108ffff;
+20'd17: instruction <= 32'h1d00fffe;
+20'd18: instruction <= 32'h03e00008;
diff --git a/16display_4_digits_mars.txt b/16display_4_digits_mars.txt
new file mode 100644
index 0000000..44e535c
--- /dev/null
+++ b/16display_4_digits_mars.txt
@@ -0,0 +1,19 @@
+3c104000
+22100010
+20110179
+ae110000
+0c00000f
+20110271
+ae110000
+0c00000f
+20110477
+ae110000
+0c00000f
+20110858
+ae110000
+0c00000f
+08000002
+3c080001
+2108ffff
+1d00fffe
+03e00008