commit 1ab919054d645f987fcc904e143868f13712dfec
parent d977753b558eb4a9c563ff40b67ad033d331e55c
Author: Connor Thomson <connor@gnufault.org>
Date:   Sun, 25 Oct 2026 18:44:24 -0700

Add ps1 logo on bootup

Diffstat:
M
platforms/ps1/Makefile
 | 
2
+-
A
platforms/ps1/logo.tmd
 | 
0

M
platforms/ps1/ps1.c
 | 
21
+++++++++++++++++++++
M
src/ta_mod.c
 | 
8
+++++++-

4 files changed, 29 insertions(+), 2 deletions(-)
diff --git a/platforms/ps1/Makefile b/platforms/ps1/Makefile
@@ -19,7 +19,7 @@ PSXLICENSEDUMP  ?= psxlicensedump
 
 PS1_REGION     ?= US
 PS1_TEXT       ?= 
-PS1_TMD        ?=
+PS1_TMD        ?= logo.tmd
 
 PS1_BUILD      ?= build/ps1
 PS1_BUILD_DIR  := $(ROOT_DIR)/$(PS1_BUILD)
diff --git a/platforms/ps1/logo.tmd b/platforms/ps1/logo.tmd
Binary files differ.
diff --git a/platforms/ps1/ps1.c b/platforms/ps1/ps1.c
@@ -1,3 +1,4 @@
+#include <stddef.h>
 #include "ta_api.h"
 #include "common/hardware/hwregs.h"
 #include "common/hardware/irq.h"
@@ -163,6 +164,26 @@ void *ta_realloc(void *ptr, ta_size new_size) {
     return fresh;
 }
 
+ta_fs_file ta_read_file(const char *path) {
+    ta_fs_file file = {
+        .data = NULL,
+        .size = 0
+    };
+
+    (void)path;
+
+    return file;
+}
+
+void ta_close_file(ta_fs_file *file) {
+    if (!file) {
+        return;
+    }
+
+    file->data = NULL;
+    file->size = 0;
+}
+
 void ta_exit(int status) {
     (void)status;
 
diff --git a/src/ta_mod.c b/src/ta_mod.c
@@ -36,7 +36,12 @@ static ta_vm_status mod_ecall(ta_vm *machine, void *user) {
 ta_bool ta_mod_load(const ta_uint8 *binary, ta_size size) {
     ta_mod_unload();
 
-    if (!binary || size == 0 || size > TA_MOD_RAM_SIZE) {
+    if (!binary || size < 4 || size > TA_MOD_RAM_SIZE) {
+        return ta_false;
+    }
+
+    if (binary[0] != 0x54 || binary[1] != 0x41 ||
+        binary[2] != 0x42 || binary[3] != 0x43) {
         return ta_false;
     }
 
@@ -51,6 +56,7 @@ ta_bool ta_mod_load(const ta_uint8 *binary, ta_size size) {
     }
 
     ta_vm_init(&vm, ram, TA_MOD_RAM_SIZE, mod_ecall, TA_NULL);
+    vm.pc = 4;
     status = TA_VM_RUNNING;
     exit_code = 0;
     loaded = ta_true;