C++ (Cpp) mem_set_mem_state Examples

Example #1

File: m_at_sis_85c50x.c Project: OBattler/PCem-Unofficial

static void sis_85c501_recalcmapping(void)
{
        int c, d;
        
	for (c = 0; c < 1; c++)
	{
	        for (d = 0; d < 4; d++)
        	{
			uint32_t base = 0xe0000 + (d << 14);
	                if (sis_85c501.pci_conf[0x54 + c] & (1 << (d + 4)))
	                {
        	                switch (sis_85c501.pci_conf[0x53] & 0x60)
	                        {
                	                case 0x00:
        	                        mem_set_mem_state(base, 0x4000, MEM_READ_EXTERNAL | MEM_WRITE_INTERNAL);
	                                break;
                	                case 0x20:
        	                        mem_set_mem_state(base, 0x4000, MEM_READ_EXTERNAL | MEM_WRITE_EXTERNAL);
	                                break;
                        	        case 0x40:
                	                mem_set_mem_state(base, 0x4000, MEM_READ_INTERNAL | MEM_WRITE_INTERNAL);
        	                        break;
	                                case 0x60:
                                	mem_set_mem_state(base, 0x4000, MEM_READ_INTERNAL | MEM_WRITE_EXTERNAL);
                        	        break;
                	        }
        	        }
	                else
        	                mem_set_mem_state(base, 0x4000, MEM_READ_EXTERNAL | MEM_WRITE_EXTERNAL);
	        }
	}

        flushmmucache();
        shadowbios = 1;
}

Example #2

File: headland.c Project: startmenu/PCemN

void headland_write(uint16_t addr, uint8_t val, void *priv)
{
        if (addr & 1)
        {
                if (headland_index == 0xc1 && !is486) val = 0;
                headland_regs[headland_index] = val;
                pclog("Headland write %02X %02X\n",headland_index,val);
                if (headland_index == 0x82)
                {
                        shadowbios = val & 0x10;
                        shadowbios_write = !(val & 0x10);
                        if (shadowbios)
                                mem_set_mem_state(0xf0000, 0x10000, MEM_READ_INTERNAL | MEM_WRITE_DISABLED);
                        else
                                mem_set_mem_state(0xf0000, 0x10000, MEM_READ_EXTERNAL | MEM_WRITE_INTERNAL);
                }
        }
        else
                headland_index = val;
}