POP - sjsoftware/centurion-cpu6 GitHub Wiki
Bugs
This operation can overflow and wrap if Count is too high, popping A from the stack following P
Microcode
190 0 CRY0 r00 r00 PASS A+Q P P P 633 33 (cc) JSR BADR READ.SWP (190)
0 CRY0 r00 r05 RAM NOT.D P P P 00f 0f (f0) BUS.WAIT INC.MAR READ.CONST (191)
0 CRY0 r05 r04 RAM D.AND.A D D D 433 33 (cc) LOAD.SWP READ.DB (192)
0 CRY0 r00 r09 RAM NOT.D P P P 00a 0a (f5) LOAD.RIR READ.CONST (433)
1 RLO CRY0 r00 r00 PASS A+Q P P P 466 66 (99) JSR PE READ.SWP (434)
1 CRY0 r00 r00 PASS D D D D 644 44 (bb) LOAD.RR READ.RF (435)
0 CRY0 r00 r00 PASS D D D D 3ce ce (31) LOAD.ALO LOAD.RR READ.RF (644)
0 CRY0 r00 r00 PASS A+Q D D D 3ea ea (15) LOAD.AHI READ.SWP (3ce)
0 CRY0 r00 r00 PASS A+Q D D A 280 80 (7f) LOAD.AHI LOAD.ALO LOAD.MAR READ.SWP (3ea)
28f 0 CRY0 r00 r09 RAM D D D D 266 66 (99) BUS.RD READ.SWP (28f)
0 CRY0 r09 r04 RAMA B-1 P P P 63b 3b (c4) JSR BADR LOAD.FLR LOAD.RIR READ.SWP (266)
0 CRY0 r00 r00 PASS A+Q P P P 785 85 (7a) JSR DMA BUS.WAIT INC.MAR READ.SWP (267)
0 CRY0 r00 r00 PASS D P P P 1d6 d6 (29) JSR PE LOAD.RR READ.DB (268)
1 CRY1 r00 r09 RAM B+0 COND SIGN P P D 0ce ce (31) WRITE.RF READ.SWP (269)
0 CRY0 r00 r00 PASS A+Q D D D 266 66 (99) BUS.RD READ.SWP (26e)
26f 0 CRY0 r00 r00 RAM NOT.D D D P 2aa aa (55) LOAD.RIR READ.CONST (26f)
2a0 0 CRY0 r00 r00 PASS D P P P 000 00 (ff) LOAD.RR READ.ALO (2a0)
1 RLO CRY0 r05 r00 PASS D.EQV.A D D D 3fa fa (05) WRITE.RF LOAD.RR READ.AHI (2a1)
1 CRY0 r00 r00 PASS A+Q D D D 100 00 (ff) WRITE.RF LOAD.MAR READ.SWP (3fa)