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Request handling.

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This commit is contained in:
redcode
2022-07-24 22:56:18 +02:00
parent bc62832379
commit 16da63e11a
1 changed files with 8 additions and 14 deletions
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22
sources/Z80.c
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@@ -2148,6 +2148,10 @@ Z80_API zusize z80_run(Z80 *self, zusize cycles)
{
if (REQUEST)
{
# ifdef Z80_WITH_SPECIAL_RESET
zuint8 special_reset = REQUEST & Z80_REQUEST_SPECIAL_RESET;
# endif
/*-------------------------------------------------------------------------.
| NMI Acknowledge/Response | T-states: 11:533 |
|--------------------------------------------------------------------------|
@@ -2174,18 +2178,10 @@ Z80_API zusize z80_run(Z80 *self, zusize cycles)
| * https://github.com/floooh/v6502r |
'=========================================================================*/
if (REQUEST & Z80_REQUEST_REJECT_NMI)
# ifdef Z80_WITH_SPECIAL_RESET
REQUEST &= Z80_REQUEST_SPECIAL_RESET;
# else
REQUEST = 0;
# endif
REQUEST = 0;
else if (REQUEST & Z80_REQUEST_NMI)
{
# ifdef Z80_WITH_SPECIAL_RESET
zuint8 special_reset = REQUEST & Z80_REQUEST_SPECIAL_RESET;
# endif
IFF1 = 0;
if (HALT_LINE) {SET_HALT_LINE(FALSE);}
R++; /* M1 */
@@ -2233,10 +2229,6 @@ Z80_API zusize z80_run(Z80 *self, zusize cycles)
IM0 im0;
# endif
# ifdef Z80_WITH_SPECIAL_RESET
zuint8 special_reset = REQUEST & Z80_REQUEST_SPECIAL_RESET;
# endif
zuint8 byte;
IFF1 = IFF2 = 0;
@@ -2531,8 +2523,10 @@ Z80_API zusize z80_run(Z80 *self, zusize cycles)
| * https://worldofspectrum.org/forums/discussion/34574 |
'======================================================================*/
# ifdef Z80_WITH_SPECIAL_RESET
if (REQUEST & Z80_REQUEST_SPECIAL_RESET)
if (special_reset)
{
REQUEST = 0;
if (HALT_LINE)
{
zuint8 opcode;