Zilog Z16C35 - Manual (Page 295)

Application Note
Technical Considerations When Implementing LocalTalk Link Access Protocol
14-7
1
00000488 1186 ok:
00000488 21Wwww 1187 ld hl,recerrflg ;fetch receive error flag
0000048b cb8 1188 res 1,(hl) ;set bit1=0 for frame ok
1189
1190
0000048d 1191 crc_exit:
0000048d dbe9 1192 in a,(scc_data) ;read 2nd crc (debug only) and
0000048f 2aWwww 1193 ld hl,(rxpointer) ;load pointer
00000492 2b 1194 dec hl ;adjust rx buff ptr for crc1
00000493 2b 1195 dec hl ;adjust rx buff ptr for crc2
00000494 22Wwww 1196 ld (rxpointer),hl ;
1197
00000497 1198 spexit:
00000497 3e38 1199 ld a,038h
00000499 d3e8 1200 out (scc_cont),a ;reset highest ius
1201
0000049b e1 1202 pop hl ;restore hl
0000049c c1 1203 pop bc ;restore be
0000049d f1 1204 pop af ;restore af
0000049e fb 1205 ei ;enable int
0000049f c9 1206 ret ;return from int
1207
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UM011002-0808