- Bugfixes and new concept to build SMC.BIN header.

python/smc_convert.py

@@ -1,21 +1,23 @@
 from intelhex import IntelHex
 
+version = "R45.1.0"
+
 src1 = IntelHex()
 
-src1.fromfile("C:/Users/svenv/OneDrive/Documents/GitHub/x16-flash/python/x16-smc-header.hex", format="hex")
+src1.fromfile("python/x16-smc-header.hex", format="hex")
 src1.tofile("python/SMC-HEADER.BIN", format="bin")
 
 src2 = IntelHex()
 
 src2.fromfile("C:/Users/svenv/OneDrive/Documents/GitHub/x16-flash/python/x16-smc-r45.1.0.hex", format="hex")
-src2.tofile("python/SMC-R45.1.0.BIN", format="bin")
+src2.tofile("python/SMC-"+version+".BIN", format="bin")
 
 # Try reading the file in binary mode and writing it back in binary
 # mode. By default it reads files in text mode
-input1 = open('python/SMC-HEADER.BIN', 'rb').read()
-input2 = open('python/SMC-R45.1.0.bin', 'rb').read()
+input1 = open("python/SMC-HEADER.BIN", "rb").read()
+input2 = open("python/SMC-"+version+".BIN", "rb").read()
 
 input1 += input2
 
-with open('python/SMC.BIN', 'wb') as fp:
+with open("python/SMC.BIN", "wb") as fp:
     fp.write(input1)

python/x16-smc-header.hex

@@ -1,3 +1,3 @@
-:100000002B2C000000000000000000000000000099
-:1000100000000000000000000000000000000000E0
+:100000002D010000000000000000000000000000C2
+:1000100000000000000000000000000000002C2B89
 :00000001FF

src/cx16-display.c

@@ -496,7 +496,7 @@ void display_info_smc(unsigned char info_status, unsigned char* info_text) {
     status_smc = info_status;
     display_smc_led(status_color[info_status]);
     gotoxy(INFO_X, INFO_Y);
-    printf("SMC  %-9s ATTiny %-9s BL:%u ", status_text[info_status], smc_version_text, smc_bootloader);
+    printf("SMC  %-9s ATTiny %-8s BL:%u ", status_text[info_status], smc_version_text, smc_bootloader);
     if(info_text) {
         printf("%-25s", info_text);
     }

src/cx16-smc.c

@@ -25,7 +25,7 @@
 __mem unsigned int smc_bootloader = 0;
 __mem unsigned int smc_file_size = 0;
 
-__mem unsigned char smc_rom_releases[32];
+__mem unsigned char smc_file_header[32];
 
 __mem unsigned char smc_release;
 __mem unsigned char smc_major;
@@ -78,9 +78,16 @@ unsigned long smc_get_version_text(unsigned char* version_string, unsigned char
     return MAKELONG(MAKEWORD(minor, major), MAKEWORD(0, release));
 }
 
+/**
+ * @brief Search in the smc file header for supported ROM.BIN releases.
+ * The first 3 bytes of the smc file header contain the SMC.BIN version, major and minor numbers.
+ * 
+ * @param rom_release The ROM release to search for.
+ * @return unsigned char true if found.
+ */
 unsigned char smc_supported_rom(unsigned char rom_release) {
-    for(unsigned char i=0; i<32; i++) {
-        if(smc_rom_releases[i] == rom_release)
+    for(unsigned char i=31; i>3; i--) {
+        if(smc_file_header[i] == rom_release)
             return 1;
     }
     return 0;
@@ -156,7 +163,7 @@ unsigned int smc_read(unsigned char display_progress) {
     if (fp) {
 
         // Read the ROM releases in the SMC.BIN header first.
-        smc_file_read = fgets(smc_rom_releases, 32, fp);
+        smc_file_read = fgets(smc_file_header, 32, fp);
 
         // Has the header been read, all ok, otherwise the file size is wrong!
         if(smc_file_read) {

src/cx16-smc.h

@@ -32,7 +32,7 @@ extern unsigned int smc_bootloader;
 extern unsigned char smc_version_text[16];
 extern unsigned int smc_file_size;
 
-extern unsigned char smc_rom_releases[32];
+extern unsigned char smc_file_header[32];
 
 extern unsigned char smc_release;
 extern unsigned char smc_major;

src/cx16-update.c

@@ -181,10 +181,10 @@ void main() {
                 display_info_smc(STATUS_ISSUE, "SMC.BIN too large!"); // Stop with SMC issue, and reset the CX16.
             } else {
                 // SF-4 | SMC.BIN and all ok | Display the SMC.BIN file version and set SMC to Flash. | Flash
-                // Fill the version data ...
-                smc_file_release = rom_get_release(*((char*)RAM_BASE+0x30));
-                smc_file_major = rom_get_prefix(*((char*)RAM_BASE+0x31));
-                smc_file_minor = rom_get_prefix(*((char*)RAM_BASE+0x32));
+                // The first 3 bytes of the smc file header is the version of the SMC file.
+                smc_file_release = smc_file_header[0];
+                smc_file_major = smc_file_header[1];
+                smc_file_minor = smc_file_header[2];
 
                 char smc_file_version_text[13]; 
                 smc_get_version_text(smc_file_version_text, smc_file_release, smc_file_major, smc_file_minor);