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Macros are lines of code that on compile are replaced with other lines of code. This is extremely useful as most macros compress lines of code into one instruction.

TI-83 Plus Macros

Equivalent Codes

   #define	bcall(xxxx)		rst 28h	\ .dw xxxx
   #define	bjump(xxxx)		call 50h	\ .dw xxxx
   #define	bcallz(xxxx)	jr nz,$+5	\ rst 28h	\ .dw xxxx
   #define	bcallnz(xxxx)	jr z,$+5	\ rst 28h	\ .dw xxxx
   #define	bcallc(xxxx)	jr nc,$+5	\ rst 28h	\ .dw xxxx
   #define	bcallnc(xxxx)	jr c,$+5	\ rst 28h	\ .dw xxxx
   #define	equ .equ
   #define	EQU .equ
   #define	errhandon(label)	ld hl,label	\ call 59h
   #define	errhandoff()	call 5Ch