X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?a=blobdiff_plain;ds=sidebyside;f=Pico%2Fcarthw%2Fcarthw.c;h=eab13b8e5b884c6ef275f3cf9a8eb10692b21778;hb=1832075ec7b43b166a9d5f83753832a05e7d4239;hp=c3e80f83f88f855f6dfea12685b73556a3606198;hpb=a12b1b29cc7e394128da59614c2efe8f5d182741;p=picodrive.git diff --git a/Pico/carthw/carthw.c b/Pico/carthw/carthw.c index c3e80f8..eab13b8 100644 --- a/Pico/carthw/carthw.c +++ b/Pico/carthw/carthw.c @@ -1,12 +1,26 @@ /* - * should better do some pointer stuff here. But as none of these bankswitch + * Support for a few cart mappers. + * + * (c) Copyright 2008, Grazvydas "notaz" Ignotas + * Free for non-commercial use. + * + * + * I should better do some pointer stuff here. But as none of these bankswitch * while the game runs, memcpy will suffice. */ #include "../PicoInt.h" -/* 12-in-1 and 4-in-1. Assuming 2MB ROMs here. */ +/* 12-in-1 and 4-in-1. Assuming >= 2MB ROMs here. */ +static unsigned int carthw_12in1_baddr = 0; + +static carthw_state_chunk carthw_12in1_state[] = +{ + { CHUNK_CARTHW, sizeof(carthw_12in1_baddr), &carthw_12in1_baddr }, + { 0, 0, NULL } +}; + static unsigned int carthw_12in1_read16(unsigned int a, int realsize) { // ?? @@ -26,6 +40,7 @@ static void carthw_12in1_write8(unsigned int a, unsigned int d, int realsize) return; } + carthw_12in1_baddr = a; a &= 0x3f; a <<= 16; len = Pico.romsize - a; if (len <= 0) { @@ -41,6 +56,11 @@ static void carthw_12in1_reset(void) carthw_12in1_write8(0xA13000, 0, 0); } +static void carthw_12in1_statef(void) +{ + carthw_12in1_write8(carthw_12in1_baddr, 0, 0); +} + void carthw_12in1_startup(void) { void *tmp; @@ -59,6 +79,8 @@ void carthw_12in1_startup(void) PicoRead16Hook = carthw_12in1_read16; PicoWrite8Hook = carthw_12in1_write8; PicoResetHook = carthw_12in1_reset; + PicoLoadStateHook = carthw_12in1_statef; + carthw_chunks = carthw_12in1_state; } @@ -94,7 +116,7 @@ static void carthw_realtec_write8(unsigned int a, unsigned int d, int realsize) } else elprintf(EL_ANOMALY, "realtec: unexpected write [%06x] %02x @ %06x", a, d, SekPc); - + if (realtec_bank >= 0 && realtec_size >= 0 && (realtec_bank != bank_old || realtec_size != size_old)) {