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relax the bank check

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there is 512K padding on load
This commit is contained in:
notaz 2017-09-25 23:37:54 +03:00
parent c6b118c0ad
commit f508065409
1 changed files with 13 additions and 6 deletions
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19
pico/carthw/carthw.c
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@ -11,6 +11,16 @@
#include "eeprom_spi.h" #include "eeprom_spi.h"
static int have_bank(u32 base)
{
// the loader allocs in 512K quantities
if (base >= Pico.romsize) {
elprintf(EL_ANOMALY|EL_STATUS, "carthw: missing bank @ %06x", base);
return 0;
}
return 1;
}
/* The SSFII mapper */ /* The SSFII mapper */
static unsigned char ssf2_banks[8]; static unsigned char ssf2_banks[8];
@ -36,10 +46,8 @@ static void carthw_ssf2_write8(u32 a, u32 d)
ssf2_banks[a >> 1] = d; ssf2_banks[a >> 1] = d;
base = d << 19; base = d << 19;
target = a << 18; target = a << 18;
if (base + 0x80000 > Pico.romsize) { if (!have_bank(base))
elprintf(EL_ANOMALY|EL_STATUS, "ssf2: missing bank @ %06x", base);
return; return;
}
cpu68k_map_set(m68k_read8_map, target, target + 0x80000 - 1, Pico.rom + base, 0); 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); cpu68k_map_set(m68k_read16_map, target, target + 0x80000 - 1, Pico.rom + base, 0);
@ -324,10 +332,9 @@ static void carthw_pier_write8(u32 a, u32 d)
return; return;
do_map: do_map:
if (base + 0x80000 > Pico.romsize) { if (!have_bank(base))
elprintf(EL_ANOMALY|EL_STATUS, "pier: missing bank @ %06x", base);
return; return;
}
cpu68k_map_set(m68k_read8_map, target, target + 0x80000 - 1, Pico.rom + base, 0); 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); cpu68k_map_set(m68k_read16_map, target, target + 0x80000 - 1, Pico.rom + base, 0);
} }