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SN8P2501D
8-Bit Micro-Controller
SONiX TECHNOLOGY CO., LTD Page 18 Version 1.5
If the jump table position is across a ROM boundary (0x00FF~0x0100), the @JMP_A macro will adjust the jump table
routine begin from next RAM boundary (0x0100).
Example: @JMP_A operation.
; Before compiling program.
ROM address
B0MOV
A, BUF0
; BUF0 is from 0 to 4.
@JMP_A
5
; The number of the jump table listing is five.
0X00FD
JMP
A0POINT
; ACC = 0, jump to A0POINT
0X00FE
JMP
A1POINT
; ACC = 1, jump to A1POINT
0X00FF
JMP
A2POINT
; ACC = 2, jump to A2POINT
0X0100
JMP
A3POINT
; ACC = 3, jump to A3POINT
0X0101
JMP
A4POINT
; ACC = 4, jump to A4POINT
; After compiling program.
ROM address
B0MOV
A, BUF0
; BUF0 is from 0 to 4.
@JMP_A
5
; The number of the jump table listing is five.
0X0100
JMP
A0POINT
; ACC = 0, jump to A0POINT
0X0101
JMP
A1POINT
; ACC = 1, jump to A1POINT
0X0102
JMP
A2POINT
; ACC = 2, jump to A2POINT
0X0103
JMP
A3POINT
; ACC = 3, jump to A3POINT
0X0104
JMP
A4POINT
; ACC = 4, jump to A4POINT

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