ZXSTSCLDREGS

The current screen mode and memory paging status of Timex Sinclair machines.

// Timex Sinclair memory paging and screen modes
typedef struct _tagZXSTSCLDREGS
{
  ZXSTBLOCK blk;
  BYTE chF4;
  BYTE chFf;
} ZXSTSCLDREGS, *LPZXSTSCLDREGS;

Members

blk

The block header. The block id is ZXSTBID_TIMEXREGS ('S', 'C', 'L', 'D').

chF4

The current value of port $f4 which controls memory paging.

chFf

The current value of port $ff which controls the Timex screen mode, interrupt state, high resolution colours, and the remainder of the memory paging system.

Revision history

Available since version 1.2