From 74e387ade4c10703bcc88de991b07332c8a72ebc Mon Sep 17 00:00:00 2001
From: franchioping <franchioping@gmail.com>
Date: Wed, 5 Jun 2024 22:41:29 +0100
Subject: [PATCH] revert 5451101f7551973566fd57339bd14c11dff903ca

revert save state to file in C attempt
---
 .vscode/settings.json |  3 +--
 source/main.S         |  6 ++----
 source/save_state.c   | 23 +++++++++--------------
 3 files changed, 12 insertions(+), 20 deletions(-)

diff --git a/.vscode/settings.json b/.vscode/settings.json
index a938144..ea35c0b 100644
--- a/.vscode/settings.json
+++ b/.vscode/settings.json
@@ -2,7 +2,6 @@
     "makefile.makefilePath": "",
     "files.associations": {
         "platform-nspire.h": "c",
-        "*.inc": "c",
-        "stdint.h": "c"
+        "*.inc": "c"
     }
 }
\ No newline at end of file
diff --git a/source/main.S b/source/main.S
index 7d44a35..5a74c13 100644
--- a/source/main.S
+++ b/source/main.S
@@ -396,10 +396,8 @@ save_state:
 
 
 
-	ldr r0, =saved_state_cpu_status
-	ldr r1, =saved_state_cpu_cpsr
-	sub r2, r9, #s_SIZE
-
+	mov r0, saved_state_cpu_status
+	str r1, saved_state_cpu_cpsr
 	bl write_save_state
 
     ldr lr, saved_state_cpu_status+56 // subroutine return
diff --git a/source/save_state.c b/source/save_state.c
index 8eecc57..d76b361 100644
--- a/source/save_state.c
+++ b/source/save_state.c
@@ -4,27 +4,22 @@
 #include <stdio.h>
 
 
-#define s_SIZE                  0x4600
+#define s_SIZE                  0x4600;
 
-const size_t cpu_status_size = (15 * sizeof(uint16_t));
+void write_save_state(uint32_t saved_state_cpu_status_addr, uint32_t saved_state_cpu_cpsr);
 
-void write_save_state(uint8_t* saved_state_cpu_status_addr, uint8_t* saved_state_cpu_cpsr, void* state_ds_addr);
+void write_save_state(uint32_t saved_state_cpu_status_addr, uint32_t saved_state_cpu_cpsr){
+    size_t lenght = s_SIZE;
 
-void write_save_state(uint8_t* saved_state_cpu_status_addr, uint8_t* saved_state_cpu_cpsr, void* state_ds_addr){
-    size_t data_size = cpu_status_size + sizeof(uint8_t) + s_SIZE;
-    uint8_t *data = malloc(data_size);
-    uint8_t *data_start = data;
+    size_t data_size = s_SIZE + sizeof(uint32_t);
+    uint32_t *data = malloc(data_size);
 
 
-    memcpy(data, state_ds_addr, s_SIZE);
-    data += s_SIZE;
+    memcpy(data, saved_state_cpu_status_addr, lenght);
 
-    memcpy(data, saved_state_cpu_status_addr, cpu_status_size);
-    data += cpu_status_size;
-
-    memcpy(data, saved_state_cpu_cpsr, 1);
+    data[data_size-1] = saved_state_cpu_cpsr;
 
     FILE* savefile = fopen("/documents/ndless/test.tns", "wb");
-    fwrite(data_start, data_size, 1, savefile);
+    fwrite(data, data_size, 1, savefile);
     fclose(savefile);
 }
\ No newline at end of file