+// -----------------------------------------------------------------
+// SH2
+// -----------------------------------------------------------------
+
+u32 pico32x_read8(u32 a)
+{
+ u32 d = 0;
+ if (a < sizeof(Pico32xMem->sh2_rom_m))
+ return Pico32xMem->sh2_rom_m[a ^ 1];
+
+ if ((a & 0x0ffc0000) == 0x06000000)
+ return Pico32xMem->sdram[(a & 0x3ffff) ^ 1];
+
+ if ((a & 0x0fc00000) == 0x02000000)
+ if ((a & 0x003fffff) < Pico.romsize)
+ return Pico.rom[(a & 0x3fffff) ^ 1];
+
+ if ((a & 0x0fffff00) == 0x4000) {
+ d = p32x_sh2reg_read16(a);
+ goto out_16to8;
+ }
+
+ if ((a & 0x0fffff00) == 0x4100) {
+ d = p32x_vdp_read16(a);
+ goto out_16to8;
+ }
+
+ if ((a & 0x0fffff00) == 0x4200) {
+ d = Pico32xMem->pal[(a & 0x1ff) / 2];
+ goto out_16to8;
+ }
+
+ elprintf(EL_UIO, "sh2 unmapped r8 [%08x] %02x @%06x", a, d, ash2_pc());
+ return d;
+
+out_16to8:
+ if (a & 1)
+ d &= 0xff;
+ else
+ d >>= 8;
+
+ elprintf(EL_32X, "sh2 r8 [%08x] %02x @%06x", a, d, ash2_pc());
+ return d;
+}
+
+u32 pico32x_read16(u32 a)
+{
+ u32 d = 0;
+ if (a < sizeof(Pico32xMem->sh2_rom_m))
+ return *(u16 *)(Pico32xMem->sh2_rom_m + a);
+
+ if ((a & 0x0ffc0000) == 0x06000000)
+ return ((u16 *)Pico32xMem->sdram)[(a & 0x3ffff) / 2];
+
+ if ((a & 0x0fc00000) == 0x02000000)
+ if ((a & 0x003fffff) < Pico.romsize)
+ return ((u16 *)Pico.rom)[(a & 0x3fffff) / 2];
+
+ if ((a & 0x0fffff00) == 0x4000) {
+ d = p32x_sh2reg_read16(a);
+ goto out;
+ }
+
+ if ((a & 0x0fffff00) == 0x4100) {
+ d = p32x_vdp_read16(a);
+ goto out;
+ }
+
+ if ((a & 0x0fffff00) == 0x4200) {
+ d = Pico32xMem->pal[(a & 0x1ff) / 2];
+ goto out;
+ }
+
+ elprintf(EL_UIO, "sh2 unmapped r16 [%08x] %04x @%06x", a, d, ash2_pc());
+ return d;
+
+out:
+ elprintf(EL_32X, "sh2 r16 [%08x] %04x @%06x", a, d, ash2_pc());
+ return d;
+}
+
+u32 pico32x_read32(u32 a)
+{
+// elprintf(EL_UIO, "sh2 r32 [%08x] %08x @%06x", a, d, ash2_pc());
+ return (pico32x_read16(a) << 16) | pico32x_read16(a + 2);
+}
+
+void pico32x_write8(u32 a, u32 d)
+{
+ if ((a & 0x0ffffc00) == 0x4000)
+ elprintf(EL_32X, "sh2 w8 [%08x] %02x @%06x", a, d & 0xff, ash2_pc());
+
+ if ((a & 0x0ffc0000) == 0x06000000) {
+ Pico32xMem->sdram[(a & 0x3ffff) ^ 1] = d;
+ return;
+ }
+
+ if ((a & 0x0fffff00) == 0x4100) {
+ p32x_vdp_write8(a, d);
+ return;
+ }
+
+ if ((a & 0x0fffff00) == 0x4000) {
+ p32x_sh2reg_write8(a, d);
+ return;
+ }
+
+ elprintf(EL_UIO, "sh2 unmapped w8 [%08x] %02x @%06x", a, d & 0xff, ash2_pc());
+}
+
+void pico32x_write16(u32 a, u32 d)
+{
+ if ((a & 0x0ffffc00) == 0x4000)
+ elprintf(EL_32X, "sh2 w16 [%08x] %04x @%06x", a, d & 0xffff, ash2_pc());
+
+ if ((a & 0x0ffc0000) == 0x06000000) {
+ ((u16 *)Pico32xMem->sdram)[(a & 0x3ffff) / 2] = d;
+ return;
+ }
+
+ if ((a & 0x0fffff00) == 0x4100) {
+ p32x_vdp_write16(a, d);
+ return;
+ }
+
+ if ((a & 0x0ffffe00) == 0x4200) {
+ Pico32xMem->pal[(a & 0x1ff) / 2] = d;
+ Pico32x.dirty_pal = 1;
+ return;
+ }
+
+ if ((a & 0x0fffff00) == 0x4000) {
+ p32x_sh2reg_write16(a, d);
+ return;
+ }
+
+ elprintf(EL_UIO, "sh2 unmapped w16 [%08x] %04x @%06x", a, d & 0xffff, ash2_pc());
+}
+
+void pico32x_write32(u32 a, u32 d)
+{
+// elprintf(EL_UIO, "sh2 w32 [%08x] %08x @%06x", a, d, ash2_pc());
+ pico32x_write16(a, d >> 16);
+ pico32x_write16(a + 2, d);
+}
+