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32x: implement standard/ssf2 mapper, part 2

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Turns out wasn't actually hooked in.
This commit is contained in:
notaz 2018-01-23 02:39:01 +02:00
parent 310d973b9e
commit 8fde2033ac
3 changed files with 75 additions and 17 deletions
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75
pico/32x/memory.c
View file

@ -49,6 +49,9 @@ struct Pico32xMem *Pico32xMem;
static void bank_switch_rom_68k(int b);
static void (*m68k_write8_io)(u32 a, u32 d);
static void (*m68k_write16_io)(u32 a, u32 d);
// addressing byte in 16bit reg
#define REG8IN16(ptr, offs) ((u8 *)ptr)[(offs) ^ 1]
@ -857,12 +860,7 @@ static void PicoWrite8_32x_on(u32 a, u32 d)
}
if ((a & 0xfc00) != 0x5000) {
if (PicoIn.AHW & PAHW_MCD)
PicoWrite8_mcd_io(a, d);
else
PicoWrite8_io(a, d);
if (a == 0xa130f1)
bank_switch_rom_68k(Pico32x.regs[4 / 2]);
m68k_write8_io(a, d);
return;
}
@ -884,6 +882,27 @@ static void PicoWrite8_32x_on(u32 a, u32 d)
elprintf(EL_UIO, "m68k unmapped w8 [%06x] %02x @%06x", a, d & 0xff, SekPc);
}
static void PicoWrite8_32x_on_io(u32 a, u32 d)
{
PicoWrite8_io(a, d);
if (a == 0xa130f1)
bank_switch_rom_68k(Pico32x.regs[4 / 2]);
}
static void PicoWrite8_32x_on_io_cd(u32 a, u32 d)
{
PicoWrite8_mcd_io(a, d);
if (a == 0xa130f1)
bank_switch_rom_68k(Pico32x.regs[4 / 2]);
}
static void PicoWrite8_32x_on_io_ssf2(u32 a, u32 d)
{
carthw_ssf2_write8(a, d);
if ((a & ~0x0e) == 0xa130f1)
bank_switch_rom_68k(Pico32x.regs[4 / 2]);
}
static void PicoWrite16_32x_on(u32 a, u32 d)
{
if ((a & 0xfc00) == 0x5000)
@ -895,12 +914,7 @@ static void PicoWrite16_32x_on(u32 a, u32 d)
}
if ((a & 0xfc00) != 0x5000) {
if (PicoIn.AHW & PAHW_MCD)
PicoWrite16_mcd_io(a, d);
else
PicoWrite16_io(a, d);
if (a == 0xa130f0)
bank_switch_rom_68k(Pico32x.regs[4 / 2]);
m68k_write16_io(a, d);
return;
}
@ -920,6 +934,29 @@ static void PicoWrite16_32x_on(u32 a, u32 d)
elprintf(EL_UIO, "m68k unmapped w16 [%06x] %04x @%06x", a, d & 0xffff, SekPc);
}
static void PicoWrite16_32x_on_io(u32 a, u32 d)
{
PicoWrite16_io(a, d);
if (a == 0xa130f0)
bank_switch_rom_68k(Pico32x.regs[4 / 2]);
}
static void PicoWrite16_32x_on_io_cd(u32 a, u32 d)
{
PicoWrite16_mcd_io(a, d);
if (a == 0xa130f0)
bank_switch_rom_68k(Pico32x.regs[4 / 2]);
}
static void PicoWrite16_32x_on_io_ssf2(u32 a, u32 d)
{
PicoWrite16_io(a, d);
if ((a & ~0x0f) == 0xa130f0) {
carthw_ssf2_write8(a + 1, d);
bank_switch_rom_68k(Pico32x.regs[4 / 2]);
}
}
// before ADEN
u32 PicoRead8_32x(u32 a)
{
@ -1833,6 +1870,20 @@ void PicoMemSetup32x(void)
cpu68k_map_set(m68k_write8_map, 0xa10000, 0xa1ffff, PicoWrite8_32x_on, 1);
cpu68k_map_set(m68k_write16_map, 0xa10000, 0xa1ffff, PicoWrite16_32x_on, 1);
// TODO: cd + carthw
if (PicoIn.AHW & PAHW_MCD) {
m68k_write8_io = PicoWrite8_32x_on_io_cd;
m68k_write16_io = PicoWrite16_32x_on_io_cd;
}
else if (carthw_ssf2_active) {
m68k_write8_io = PicoWrite8_32x_on_io_ssf2;
m68k_write16_io = PicoWrite16_32x_on_io_ssf2;
}
else {
m68k_write8_io = PicoWrite8_32x_on_io;
m68k_write16_io = PicoWrite16_32x_on_io;
}
// SH2 maps: A31,A30,A29,CS1,CS0
// all unmapped by default
for (i = 0; i < ARRAY_SIZE(sh2_read8_map); i++) {

14
pico/carthw/carthw.c
View file

@ -31,11 +31,11 @@ static carthw_state_chunk carthw_ssf2_state[] =
{ 0, 0, NULL }
};
static void carthw_ssf2_write8(u32 a, u32 d)
void carthw_ssf2_write8(u32 a, u32 d)
{
u32 target, base;
if ((a & 0xfffff0) != 0xa130f0) {
if ((a & ~0x0e) != 0xa130f1) {
PicoWrite8_io(a, d);
return;
}
@ -54,13 +54,19 @@ static void carthw_ssf2_write8(u32 a, u32 d)
cpu68k_map_set(m68k_read8_map, target, target + 0x80000 - 1, Pico.rom + base, 0);
cpu68k_map_set(m68k_read16_map, target, target + 0x80000 - 1, Pico.rom + base, 0);
if (PicoIn.AHW & PAHW_32X)
p32x_update_banks();
}
void carthw_ssf2_write16(u32 a, u32 d)
{
PicoWrite16_io(a, d);
if ((a & ~0x0f) == 0xa130f0)
carthw_ssf2_write8(a + 1, d);
}
static void carthw_ssf2_mem_setup(void)
{
cpu68k_map_set(m68k_write8_map, 0xa10000, 0xa1ffff, carthw_ssf2_write8, 1);
cpu68k_map_set(m68k_write16_map, 0xa10000, 0xa1ffff, carthw_ssf2_write16, 1);
}
static void carthw_ssf2_statef(void)

1
pico/carthw/carthw.h
View file

@ -18,6 +18,7 @@ void PicoSVPMemSetup(void);
extern int carthw_ssf2_active;
extern unsigned char carthw_ssf2_banks[8];
void carthw_ssf2_startup(void);
void carthw_ssf2_write8(unsigned int a, unsigned int d);
/* misc */
void carthw_Xin1_startup(void);