save state to file in C attempt

.vscode/settings.json

@@ -2,6 +2,7 @@
     "makefile.makefilePath": "",
     "files.associations": {
         "platform-nspire.h": "c",
-        "*.inc": "c"
+        "*.inc": "c",
+        "stdint.h": "c"
     }
 }

source/main.S

@@ -396,8 +396,10 @@ save_state:
 
 
 
-	mov r0, saved_state_cpu_status
-	str r1, saved_state_cpu_cpsr
+	ldr r0, =saved_state_cpu_status
+	ldr r1, =saved_state_cpu_cpsr
+	sub r2, r9, #s_SIZE
+
 	bl write_save_state
 
     ldr lr, saved_state_cpu_status+56 // subroutine return

source/save_state.c

@@ -4,22 +4,27 @@
 #include <stdio.h>
 
 
-#define s_SIZE                  0x4600;
+#define s_SIZE                  0x4600
 
-void write_save_state(uint32_t saved_state_cpu_status_addr, uint32_t saved_state_cpu_cpsr);
+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){
-    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 = s_SIZE + sizeof(uint32_t);
-    uint32_t *data = malloc(data_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;
 
 
-    memcpy(data, saved_state_cpu_status_addr, lenght);
+    memcpy(data, state_ds_addr, s_SIZE);
+    data += s_SIZE;
 
-    data[data_size-1] = saved_state_cpu_cpsr;
+    memcpy(data, saved_state_cpu_status_addr, cpu_status_size);
+    data += cpu_status_size;
+
+    memcpy(data, saved_state_cpu_cpsr, 1);
 
     FILE* savefile = fopen("/documents/ndless/test.tns", "wb");
-    fwrite(data, data_size, 1, savefile);
+    fwrite(data_start, data_size, 1, savefile);
     fclose(savefile);
 }