mirror of
https://git.planet-casio.com/Lephenixnoir/fxsdk.git
synced 2024-12-29 13:03:37 +01:00
139 lines
3 KiB
C
139 lines
3 KiB
C
#include <fxgxa.h>
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#include <stdio.h>
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#include <string.h>
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#include <endianness.h>
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void sign(void *gxa, size_t size)
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{
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if(is_g1a(gxa)) {
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struct g1a_header *header = gxa;
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/* Fixed elements */
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memcpy(header->magic, "USBPower", 8);
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header->mcs_type = 0xf3;
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memcpy(header->seq1, "\x00\x10\x00\x10\x00", 5);
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header->seq2 = 0x01;
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header->filesize_be1 = htobe32(size);
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header->filesize_be2 = htobe32(size);
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/* Control bytes and checksums */
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header->control1 = size + 0x41;
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header->control2 = size + 0xb8;
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header->checksum = htobe16(checksum_g1a(gxa, size));
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}
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else if(is_g3a(gxa)) {
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struct g3a_header *header = gxa;
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/* Fixed elements */
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memcpy(header->magic, "USBPower", 8);
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header->mcs_type = 0x2c;
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memcpy(header->seq1, "\x00\x01\x00\x01\x00", 5);
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header->seq2 = 0x01;
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memcpy(header->seq3, "\x01\x01", 2);
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header->filesize_be1 = htobe32(size);
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header->filesize_be2 = htobe32(size - 0x7000 - 4);
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header->filesize_be3 = htobe32(size);
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/* Control bytes and checksums */
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header->control1 = size + 0x41;
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header->control2 = size + 0xb8;
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header->checksum = htobe16(checksum_g3a(gxa, size));
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header->checksum_2 = htobe32(checksum_g3a_2(gxa, size));
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/* Last 4 bytes */
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uint32_t *footer = gxa + size - 4;
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*footer = header->checksum_2;
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}
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}
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void edit_name(void *gxa, const char *name)
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{
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if(is_g1a(gxa)) {
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memset(G1A(gxa)->header.name, 0, 8);
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if(!name) return;
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for(int i = 0; name[i] && i < 8; i++)
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G1A(gxa)->header.name[i] = name[i];
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}
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else if(is_g3a(gxa)) {
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memset(G3A(gxa)->header.name, 0, 16);
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if(!name) return;
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for(int i = 0; name[i] && i < 16; i++)
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G3A(gxa)->header.name[i] = name[i];
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for(int j = 0; j < 8; j++) {
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memset(G3A(gxa)->header.label[j], 0, 24);
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for(int i = 0; name[i] && i < 24; i++)
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G3A(gxa)->header.label[j][i] = name[i];
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}
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}
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}
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void edit_internal(void *gxa, const char *internal)
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{
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char *dst = NULL;
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int size = 0;
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if(is_g1a(gxa)) {
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dst = G1A(gxa)->header.internal;
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size = 8;
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}
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else if(is_g3a(gxa)) {
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dst = G3A(gxa)->header.internal;
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size = 11;
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}
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memset(dst, 0, size);
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if(!internal) return;
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for(int i = 0; internal[i] && i < size; i++)
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dst[i] = internal[i];
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}
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void edit_version(void *gxa, const char *version)
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{
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char *dst = NULL;
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int size = 10;
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if(is_g1a(gxa))
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dst = G1A(gxa)->header.version;
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else if(is_g3a(gxa))
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dst = G3A(gxa)->header.version;
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memset(dst, 0, size);
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if(!version) return;
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for(int i = 0; version[i] && i < size; i++)
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dst[i] = version[i];
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}
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void edit_date(void *gxa, const char *date)
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{
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char *dst = NULL;
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int size = 14;
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if(is_g1a(gxa))
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dst = G1A(gxa)->header.date;
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else if(is_g3a(gxa))
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dst = G3A(gxa)->header.date;
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memset(dst, 0, size);
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if(!date) return;
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for(int i = 0; date[i] && i < size; i++)
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dst[i] = date[i];
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}
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void edit_g1a_icon(struct g1a *g1a, uint8_t const *mono)
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{
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memcpy(g1a->header.icon, mono, 68);
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}
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void edit_g3a_icon(struct g3a *g3a, uint16_t const *icon, bool selected)
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{
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if(selected)
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memcpy(g3a->header.icon_sel, icon, 92*64*2);
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else
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memcpy(g3a->header.icon_uns, icon, 92*64*2);
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}
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