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TCALL (SPC700)

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Basic Info
Addressing Mode Opcode Length Speed
implied 01 1 byte 8 cycles
implied 11 1 byte 8 cycles
implied 21 1 byte 8 cycles
implied 31 1 byte 8 cycles
implied 41 1 byte 8 cycles
implied 51 1 byte 8 cycles
implied 61 1 byte 8 cycles
implied 71 1 byte 8 cycles
implied 81 1 byte 8 cycles
implied 91 1 byte 8 cycles
implied A1 1 byte 8 cycles
implied B1 1 byte 8 cycles
implied C1 1 byte 8 cycles
implied D1 1 byte 8 cycles
implied E1 1 byte 8 cycles
implied F1 1 byte 8 cycles
Flags Affected
N V P B H I Z C
. . . . . . . .

TCALL (Table CALl) is an SPC700 instruction that calls a subroutine in the uppermost page. The low byte of the effective address which is called is a function of the high nibble of the opcode. The high byte of the effective address is always $FF.

See Also

External Links