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Fixed readout of invalid EMS pages in word and dword modes.

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This commit is contained in:
OBattler
2021-07-16 06:04:20 +02:00
parent 38e4ba61b5
commit 231eaad592
1 changed files with 2 additions and 2 deletions
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4
src/machine/m_at_t3100e.c
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@@ -632,7 +632,7 @@ static uint16_t ems_read_ramw(uint32_t addr, void *priv)
struct t3100e_ems_regs *regs = (struct t3100e_ems_regs *)priv;
int pg = addr_to_page(addr);
if (pg < 0) return 0xFF;
if (pg < 0) return 0xFFFF;
//t3100e_log("ems_read_ramw addr=%05x ", addr);
addr = regs->page_exec[pg] + (addr & 0x3FFF);
//t3100e_log("-> %06x val=%04x\n", addr, *(uint16_t *)&ram[addr]);
@@ -645,7 +645,7 @@ static uint32_t ems_read_raml(uint32_t addr, void *priv)
struct t3100e_ems_regs *regs = (struct t3100e_ems_regs *)priv;
int pg = addr_to_page(addr);
if (pg < 0) return 0xFF;
if (pg < 0) return 0xFFFFFFFF;
addr = regs->page_exec[pg] + (addr & 0x3FFF);
return *(uint32_t *)&ram[addr];
}