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pc9801: simpler method to init m_egc struct at reset [Robbbert]

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hap 2024-03-28 15:10:19 +01:00
parent 79131e997c
commit e9d7aa17c7
2 changed files with 5 additions and 7 deletions
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8
src/mame/nec/pc9801.cpp
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@ -2024,7 +2024,6 @@ MACHINE_RESET_MEMBER(pc9801_state,pc9801f)
uint8_t op_mode;
uint8_t *ROM;
uint8_t *PRG = memregion("fdc_data")->base();
int i;
// TODO: this loading shouldn't happen dynamically but actually be tied to specific floppy configs
// pc9801 has no floppy as default
@ -2035,13 +2034,13 @@ MACHINE_RESET_MEMBER(pc9801_state,pc9801f)
ROM = memregion("fdc_bios_2dd")->base();
op_mode = (ioport("ROM_LOAD")->read() & 2) >> 1;
for(i=0;i<0x1000;i++)
for(int i=0;i<0x1000;i++)
ROM[i] = PRG[i+op_mode*0x8000];
ROM = memregion("fdc_bios_2hd")->base();
op_mode = ioport("ROM_LOAD")->read() & 1;
for(i=0;i<0x1000;i++)
for(int i=0;i<0x1000;i++)
ROM[i] = PRG[i+op_mode*0x8000+0x10000];
m_beeper->set_state(0);
@ -2068,8 +2067,7 @@ MACHINE_RESET_MEMBER(pc9801vm_state,pc9801rs)
}
m_dac1bit_disable = true;
memset(&m_egc, 0, sizeof(m_egc));
m_egc = { };
}
MACHINE_RESET_MEMBER(pc9801bx_state,pc9801bx2)

4
src/mame/nec/pc9801.h
View File

@ -341,7 +341,7 @@ protected:
uint8_t prev_dx = 0, prev_dy = 0;
uint8_t freq_reg = 0;
uint8_t freq_index = 0;
}m_mouse;
} m_mouse;
private:
u8 ppi_mouse_porta_r();
@ -467,7 +467,7 @@ protected:
struct {
uint8_t pal_entry = 0;
uint8_t r[16]{}, g[16]{}, b[16]{};
}m_analog16;
} m_analog16;
private:
// EGC, PC9801VX onward