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Direct Page Flag

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The direct page flag (P) exists on the SPC700, as bit 5 of the Program Status Word.

When clear, the direct page is the zeropage (located at 0000h to 00FFh).

When set, the direct page is page one (located at 0100h to 01FFh).

The direct page flag is set by SETP and cleared by CLRP.

Reference

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