kickc/src/main/fragment/mos6502-common/pssz1=qssz2_derefidx_vbuc1_plus_vbuc2.asm

lda #{c1}
tay
clc
lda ({z2}),y
adc #<{c2}
sta {z1}
iny
lda ({z2}),y
adc #>{c2}
sta {z1}+1