6502/CLK
1
0
Fork 0
mirror of https://github.com/TomHarte/CLK.git synced 2024-11-30 04:50:08 +00:00
Code Issues Projects Releases Wiki Activity

BusGrant is a further signal I will need.

Browse Source
This commit is contained in:
Thomas Harte 2019-11-03 21:10:42 -05:00
parent 4dbd2a805a
commit 07582cee4a
1 changed files with 5 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
Processors/68000/68000.hpp
View File

@ -84,6 +84,9 @@ struct Microcycle {
/// is synchronised with the E clock to satisfy a valid peripheral address request. /// is synchronised with the E clock to satisfy a valid peripheral address request.
static const int IsPeripheral = 1 << 9; static const int IsPeripheral = 1 << 9;
/// Provides the 68000's bus grant line — indicating whether a bus request has been acknowledged.
static const int BusGrant = 1 << 10;
/// Contains a valid combination of the various static const int flags, describing the operation /// Contains a valid combination of the various static const int flags, describing the operation
/// performed by this Microcycle. /// performed by this Microcycle.
int operation = 0; int operation = 0;
@ -371,13 +374,13 @@ template <class T, bool dtack_is_implicit, bool signal_will_perform = false> cla
} }
/// Sets the bus request line. /// Sets the bus request line.
/// This are of functionality is TODO. /// This area of functionality is TODO.
inline void set_bus_request(bool bus_request) { inline void set_bus_request(bool bus_request) {
bus_request_ = bus_request; bus_request_ = bus_request;
} }
/// Sets the bus acknowledge line. /// Sets the bus acknowledge line.
/// This are of functionality is TODO. /// This area of functionality is TODO.
inline void set_bus_acknowledge(bool bus_acknowledge) { inline void set_bus_acknowledge(bool bus_acknowledge) {
bus_acknowledge_ = bus_acknowledge; bus_acknowledge_ = bus_acknowledge;
} }