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Amstrad.

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This commit is contained in:
OBattler
2022-07-16 02:50:53 +02:00
parent 0cea9de7df
commit 22a856634c
1 changed files with 7 additions and 5 deletions
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12
src/machine/m_amstrad.c
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@@ -1068,7 +1068,9 @@ vid_in_200(uint16_t addr, void *priv)
case 0x03dd:
ret = vid->crtc_index; /* Read NMI reason */
vid->crtc_index &= 0x1f; /* Reset NMI reason */
#ifdef OLD_NMI_BEHAVIOR
nmi = 0; /* And reset NMI flag */
#endif
return(ret);
case 0x03de:
@@ -1106,7 +1108,7 @@ vid_out_200(uint16_t addr, uint8_t val, void *priv)
if (!(vid->operation_ctrl & 0x40) && mda->crtcreg <= 11) {
vid->crtc_index = 0x20 | (mda->crtcreg & 0x1f);
if (vid->operation_ctrl & 0x80)
nmi = 1;
nmi_raise();
vid->reg_3df = val;
return;
}
@@ -1127,7 +1129,7 @@ vid_out_200(uint16_t addr, uint8_t val, void *priv)
vid->crtc_index &= 0x1F;
vid->crtc_index |= 0x80;
if (vid->operation_ctrl & 0x80)
nmi = 1;
nmi_raise();
return;
/* CGA writes ============================================================== */
@@ -1138,7 +1140,7 @@ vid_out_200(uint16_t addr, uint8_t val, void *priv)
if (!(vid->operation_ctrl & 0x40) && cga->crtcreg <= 11) {
vid->crtc_index = 0x20 | (cga->crtcreg & 0x1f);
if (vid->operation_ctrl & 0x80)
nmi = 1;
nmi_raise();
vid->reg_3df = val;
return;
}
@@ -1160,7 +1162,7 @@ vid_out_200(uint16_t addr, uint8_t val, void *priv)
vid->crtc_index &= 0x1f;
vid->crtc_index |= 0x80;
if (vid->operation_ctrl & 0x80)
nmi = 1;
nmi_raise();
else
set_lcd_cols(val);
return;
@@ -1174,7 +1176,7 @@ vid_out_200(uint16_t addr, uint8_t val, void *priv)
if (val & 0x80) {
vid->operation_ctrl = val;
vid->crtc_index |= 0x40;
nmi = 1;
nmi_raise();
return;
}
timer_disable(&vid->cga.timer);