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coreutil: remove single-use (and savestate unsafe) rand_memory function (nw)

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This commit is contained in:
hap 2019-08-01 17:53:21 +02:00
parent 602d266bcf
commit 23c70e8b60
5 changed files with 12 additions and 35 deletions
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4
src/devices/cpu/cosmac/cosmac.cpp
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@ -391,7 +391,9 @@ void cosmac_device::device_reset()
set_q_flag(0); set_q_flag(0);
m_df = 0; m_df = 0;
m_p = 0; m_p = 0;
rand_memory(m_r, sizeof(m_r));
for (int i = 0; i < ARRAY_LENGTH(m_r); i++)
m_r[i] = machine().rand() & 0xffff;
} }

23
src/lib/util/coreutil.cpp
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@ -62,29 +62,6 @@ uint32_t bcd_2_dec(uint32_t a)
MISC MISC
***************************************************************************/ ***************************************************************************/
/**
* @fn void rand_memory(void *memory, size_t length)
*
* @brief Random memory.
*
* @param [in,out] memory If non-null, the memory.
* @param length The length.
*/
void rand_memory(void *memory, size_t length)
{
static uint32_t seed = 0;
uint8_t *bytes = (uint8_t *) memory;
size_t i;
for (i = 0; i < length; i++)
{
seed = seed * 214013 + 2531011;
bytes[i] = (uint8_t) (seed >> 16);
}
}
uint32_t core_crc32(uint32_t crc, const uint8_t *buf, uint32_t len) uint32_t core_crc32(uint32_t crc, const uint8_t *buf, uint32_t len)
{ {
return crc32(crc, buf, len); return crc32(crc, buf, len);

2
src/lib/util/coreutil.h
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@ -77,8 +77,6 @@ inline int gregorian_days_in_month(int month, int year)
MISC MISC
***************************************************************************/ ***************************************************************************/
void rand_memory(void *memory, size_t length);
uint32_t core_crc32(uint32_t crc, const uint8_t *buf, uint32_t len); uint32_t core_crc32(uint32_t crc, const uint8_t *buf, uint32_t len);
#endif // MAME_UTIL_COREUTIL_H #endif // MAME_UTIL_COREUTIL_H

2
src/mame/drivers/debut.cpp
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@ -17,7 +17,7 @@ TODO:
Hardware notes: Hardware notes:
- КР1810ВМ86 (i8086 clone), 16200K XTAL - КР1810ВМ86 (i8086 clone), 16200K XTAL
- КР1810ГФ84 (i8284 clock divider /3) - КР1810ГФ84 (i8284 clock divider /3)
- 2*КР537РУ10 (2KB*8 RAM), 2*8KB ROM - 2*КР537РУ10 (2KB*8 RAM), 2*КС573РФ4А or similar (8KB ROM)
- lcd panel (4 7seg digits), 64 chessboard buttons, 16 leds - lcd panel (4 7seg digits), 64 chessboard buttons, 16 leds
A bit more detailed, list of other Soviet standard TTL chips used and their equivalents: A bit more detailed, list of other Soviet standard TTL chips used and their equivalents:

16
src/mame/drivers/mephisto_glasgow.cpp
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@ -408,11 +408,11 @@ ROM_END
Game drivers Game drivers
***************************************************************************/ ***************************************************************************/
/* YEAR, NAME, PARENT COMPAT MACHINE INPUT CLASS INIT COMPANY FULLNAME FLAGS */ /* YEAR, NAME, PARENT COMPAT MACHINE INPUT CLASS INIT COMPANY FULLNAME FLAGS */
CONS( 1984, glasgow, 0, 0, glasgow, old_keyboard, glasgow_state, empty_init, "Hegener & Glaser Muenchen", "Mephisto III S Glasgow", MACHINE_SUPPORTS_SAVE | MACHINE_CLICKABLE_ARTWORK ) CONS( 1984, glasgow, 0, 0, glasgow, old_keyboard, glasgow_state, empty_init, "Hegener & Glaser", "Mephisto III-S Glasgow", MACHINE_SUPPORTS_SAVE | MACHINE_CLICKABLE_ARTWORK )
CONS( 1985, amsterd, 0, 0, amsterd, new_keyboard, amsterd_state, empty_init, "Hegener & Glaser Muenchen", "Mephisto Amsterdam", MACHINE_SUPPORTS_SAVE | MACHINE_CLICKABLE_ARTWORK ) CONS( 1985, amsterd, 0, 0, amsterd, new_keyboard, amsterd_state, empty_init, "Hegener & Glaser", "Mephisto Amsterdam", MACHINE_SUPPORTS_SAVE | MACHINE_CLICKABLE_ARTWORK )
CONS( 1986, dallas, glasgow, 0, glasgow, old_keyboard, glasgow_state, empty_init, "Hegener & Glaser Muenchen", "Mephisto Dallas", MACHINE_SUPPORTS_SAVE | MACHINE_CLICKABLE_ARTWORK ) CONS( 1986, dallas, glasgow, 0, glasgow, old_keyboard, glasgow_state, empty_init, "Hegener & Glaser", "Mephisto Dallas", MACHINE_SUPPORTS_SAVE | MACHINE_CLICKABLE_ARTWORK )
CONS( 1986, dallas16, amsterd, 0, amsterd, new_keyboard, amsterd_state, empty_init, "Hegener & Glaser Muenchen", "Mephisto Dallas 16 Bit", MACHINE_SUPPORTS_SAVE | MACHINE_CLICKABLE_ARTWORK ) CONS( 1986, dallas16, amsterd, 0, amsterd, new_keyboard, amsterd_state, empty_init, "Hegener & Glaser", "Mephisto Dallas 16 Bit", MACHINE_SUPPORTS_SAVE | MACHINE_CLICKABLE_ARTWORK )
CONS( 1986, dallas32, amsterd, 0, dallas32, new_keyboard, amsterd_state, empty_init, "Hegener & Glaser Muenchen", "Mephisto Dallas 32 Bit", MACHINE_SUPPORTS_SAVE | MACHINE_CLICKABLE_ARTWORK ) CONS( 1986, dallas32, amsterd, 0, dallas32, new_keyboard, amsterd_state, empty_init, "Hegener & Glaser", "Mephisto Dallas 32 Bit", MACHINE_SUPPORTS_SAVE | MACHINE_CLICKABLE_ARTWORK )
CONS( 1987, roma, amsterd, 0, amsterd, new_keyboard, amsterd_state, empty_init, "Hegener & Glaser Muenchen", "Mephisto Roma", MACHINE_SUPPORTS_SAVE | MACHINE_CLICKABLE_ARTWORK ) CONS( 1987, roma, amsterd, 0, amsterd, new_keyboard, amsterd_state, empty_init, "Hegener & Glaser", "Mephisto Roma", MACHINE_SUPPORTS_SAVE | MACHINE_CLICKABLE_ARTWORK )
CONS( 1987, roma32, amsterd, 0, dallas32, new_keyboard, amsterd_state, empty_init, "Hegener & Glaser Muenchen", "Mephisto Roma 32 Bit", MACHINE_SUPPORTS_SAVE | MACHINE_CLICKABLE_ARTWORK ) CONS( 1987, roma32, amsterd, 0, dallas32, new_keyboard, amsterd_state, empty_init, "Hegener & Glaser", "Mephisto Roma 32 Bit", MACHINE_SUPPORTS_SAVE | MACHINE_CLICKABLE_ARTWORK )