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revert 5451101f75 

revert save state to file in C attempt
This commit is contained in:
franchioping 2024-06-05 22:41:29 +01:00
parent 5451101f75
commit 74e387ade4
3 changed files with 12 additions and 20 deletions
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3
.vscode/settings.json vendored
View File

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

6
source/main.S
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@ -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

23
source/save_state.c
View File

@ -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);
}