pcm1.asl

一款智能老鼠的玩具源代码

+                     1 ;================================================================;
+                     2 ; PCM Speech Subroutine
+                     3 ;================================================================;
+B 00 01

+                     4           .area   pcmvari(data)
+                     5 
0000                  6 M_sphptr::      .ds     3
0003                  7 M_stopbit::	.ds	1
0004                  8 M_pcmdata::	.ds	1
+                     9 
+B 00 02

+                    10           .area   pcmlibrary(code)
+                    11           
0000                 12 .Pcm_Play::
0000 F1 02           13 	lda	M_sphptr+2	
0002 FC 54           14 	sta	r_tpp
0004 F1 01           15         lda     M_sphptr+1
0006 FC 02           16         sta     r_tph
0008 F1 00           17         lda     M_sphptr
000A FC 01           18         sta     r_tpl
000C 1F              19         inca
000D FD 00           20         sta     M_sphptr
000F F3 00           21         lda     #00h
0011 99 01           22         addc    M_sphptr+1
0013 FD 01           23         sta     M_sphptr+1
0015 F3 00           24         lda	#00h
0017 99 02           25         addc	M_sphptr+2
0019 FD 02           26         sta	M_sphptr+2
+                    27         
001B                 28 loop_rom_ready:        
001B F0 22           29         lda	r_op1			;if data rom grand than 64k
001D CB 80           30         anda	#10000000b		;program must detect OP1[7]
001F 06 00 1B        31         brz	loop_rom_ready		;or add 5us delay in program
+                    32   
0022 F8              33         ldv
0023 EB FF           34         xora    #0xFF
0025 06 00 2D        35         brz     10$
0028 EB FF           36         xora    #0xFF
002A FD 04           37         sta     M_pcmdata
002C 24              38         ret
+                    39 10$:
002D F3 FF           40         lda     #0xFF
002F FD 03           41         sta     M_stopbit
0031 24              42         ret
+                    43 
+                    44 
+                    45 
+
+Symbol Table
+
+  2 .Pcm_Play                          0000 GR
+  1 M_pcmdata                          0004 GR
+  1 M_sphptr                           0000 GR
+  1 M_stopbit                          0003 GR
+  2 loop_rom_ready                     001B R
+
+
+Area Table
+
+   0 .                                  size    0   flags 0
+   1 pcmvari                            size    5   flags 2
+   2 pcmlibrary                         size   32   flags 1