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HD6303 Mnemonics.
Below is a list of all assembler mnemonics for the Psion's HD6303 microprocessor. The list is ordered numerically. Each decimal number is followed by its hex equivalent, the length of the instruction in bytes (L), the execution time (T), the mnemonic, and the effect the instruction has on the flags. The execution time is given as the number of clock ticks it takes for the instruction to be executed. The Psion has a clock of 921600Hz, so there are 921600 clock ticks per second.
The last two columns contain the character sets for the LZ
and the CM/XP. The characterset of the Psion CM/XP is that of the standard HD44780 LCD
controller chip by Hitachi. The second half of this character set (160-222) contains the
basic Japanese katakana, which are transcribed here in romaji.
The Psion LZ uses an customised LCD controller chip (the 66780) so that its character set
more closely matches the standard extended ASCII character set.
| r | Relative jump (1 byte) |
| d | 1 byte offset added to X to refer to a memory address |
| # | 1 byte immediate value |
| ## | 2 byte immediate value |
| 0m | 1 byte zero-page address |
| mm | 2 byte address |
Dec Hex L T Mnemonic HINZVC LZ Character set CM/XP Character set
=====================================================================
0 00 1 1 TRAP -1---- UDG 0/NO KEY UDG 0/No key
1 01 1 1 NOP ------ UDG 1/ON-CLEAR UDG 1/ON-CLEAR
2 02 - - - UDG 2/MODE UDG 2/MODE
3 03 - - - UDG 3/UP UDG 3/UP
4 04 1 1 LSRD --0XXX UDG 4/DOWN UDG 4/DOWN
5 05 1 1 ASLD --XXXX UDG 5/LEFT UDG 5/LEFT
6 06 1 1 TAP XXXXXX UDG 6/RIGHT UDG 6/RIGHT
7 07 1 1 TPA ------ UDG 7/Shft-DEL UDG 7/Shft-DEL
8 08 1 1 INX ---X-- Backspace/DEL Backspace/DEL
9 09 1 1 DEX ---X-- Tab Tab
10 0A 1 1 CLV ----0- Line feed Line feed
11 0B 1 1 SEV ----1- Home Home
12 0C 1 1 CLC -----0 Cls Cls
13 0D 1 1 SEC -----1 Lft of line/EXE Lft of line/EXE
14 0E 1 1 CLI -0---- Clr ln 1/Shft-EXE Clear line 1
15 0F 1 1 SEI -1---- Clr ln 2/Shft-SPC Clear line 2
16 10 1 1 SBA --XXXX Beep Beep
17 11 1 1 CBA --XXXX Refresh lines 1+2 Refresh lines 1+2
18 12 - - - Refresh line 1 Refresh line 1
19 13 - - - Refresh line 2 Refresh line 2
20 14 - - - Refresh line 3
21 15 - - - Refresh line 4
22 16 1 1 TAB --XX0- Clear line 3
23 17 1 1 TBA --XX0- Clear line 4
24 18 1 2 XGDX ------ Dots on line 2
25 19 1 2 DAA --XXXc Dots on line 3
26 1A 1 4 SLP ------ Clear to end
27 1B 1 1 ABA X-XXXX
28 1C - - -
29 1D - - -
30 1E - - -
31 1F - - -
32 20 2 3 BRA r ------ Space Space
33 21 2 3 BRN r ------ ! !
34 22 2 3 BHI r > ------ " "
35 23 2 3 BLS r <= ------ # #
36 24 2 3 BCC r >= ------ $ $
37 25 2 3 BCS r < ------ % %
38 26 2 3 BNE r <> ------ & &
39 27 2 3 BEQ r = ------ ' '
40 28 2 3 BVC r ------ ( (
41 29 2 3 BVS r ------ ) )
42 2A 2 3 BPL r ------ * *
43 2B 2 3 BMI r ------ + +
44 2C 2 3 BGE r >=s ------ , ,
45 2D 2 3 BLT r <s ------ - -
46 2E 2 3 BGT r >s ------ . .
47 2F 2 3 BLE r <=s ------ / /
48 30 1 1 TSX ------ 0 0
49 31 1 1 INS ------ 1 1
50 32 1 3 PULA ------ 2 2
51 33 1 3 PULB ------ 3 3
52 34 1 1 DES ------ 4 4
53 35 1 1 TXS ------ 5 5
54 36 1 4 PSHA ------ 6 6
55 37 1 4 PSHB ------ 7 7
56 38 1 4 PULX ------ 8 8
57 39 1 5 RTS ------ 9 9
58 3A 1 1 ABX ------ : :
59 3B 1 10 RTI XXXXXX ; ;
60 3C 1 5 PSHX ------ < <
61 3D 1 7 MUL -----b = =
62 3E 1 9 WAI -a---- > >
63 3F 1 12 SWI -1---- ? ?
64 40 1 1 NEGA --XXXX @ @
65 41 - - - A A
66 42 - - - B B
67 43 1 1 COMA --XX01 C C
68 44 1 1 LSRA --0XXX D D
69 45 - - - E E
70 46 1 1 RORA --XXXX F F
71 47 1 1 ASRA --XXXX G G
72 48 1 1 ASLA --XXXX H H
73 49 1 1 ROLA --XXXX I I
74 4A 1 1 DECA --XXX- J J
75 4B - - - K K
76 4C 1 1 INCA --XXX- L L
77 4D 1 1 TSTA --XX00 M M
78 4E - - - N N
79 4F 1 1 CLRA --0100 O O
80 50 1 1 NEGB --XXXX P P
81 51 - - - Q Q
82 52 - - - R R
83 53 1 1 COMB --XX01 S S
84 54 1 1 LSRB --0XXX T T
85 55 - - - U U
86 56 1 1 RORB --XXXX V V
87 57 1 1 ASRB --XXXX W W
88 58 1 1 ASLB --XXXX X X
89 59 1 1 ROLB --XXXX Y Y
90 5A 1 1 DECB --XXX- Z Z
91 5B - - - [ [
92 5C 1 1 INCB --XXX- \ ¥
93 5D 1 1 TSTB --XX00 ] ]
94 5E - - - ^ ^
95 5F 1 1 CLRB --0100 _ _
96 60 2 6 NEG d,X --XXXX ` `
97 61 3 7 AIM #,d,X --XX0- a a
98 62 3 7 OIM #,d,X --XX0- b b
99 63 2 6 COM d,X --XX01 c c
100 64 2 6 LSR d,X --0XXX d d
101 65 3 7 EIM #,d,X --XX0- e e
102 66 2 6 ROR d,X --XXXX f f
103 67 2 6 ASR d,X --XXXX g g
104 68 2 6 ASL d,X --XXXX h h
105 69 2 6 ROL d,X --XXXX i i
106 6A 2 6 DEC d,X --XXX- j j
107 6B 3 5 TIM #,d,X --XX0- k k
108 6C 2 6 INC d,X --XXX- l l
109 6D 2 4 TST d,X --XX00 m m
110 6E 2 3 JMP d,X ------ n n
111 6F 2 5 CLR d,X --0100 o o
112 70 3 6 NEG mm --XXXX p p
113 71 3 6 AIM #,0m --XX0- q q
114 72 3 6 OIM #,0m --XX0- r r
115 73 3 6 COM mm --XX01 s s
116 74 3 6 LSR mm --0XXX t t
117 75 3 6 EIM #,0m --XX0- u u
118 76 3 6 ROR mm --XXXX v v
119 77 3 6 ASR mm --XXXX w w
120 78 3 6 ASL mm --XXXX x x
121 79 3 6 ROL mm --XXXX y y
122 7A 3 6 DEC mm --XXX- z z
123 7B 3 4 TIM #,0m --XX0- { {
124 7C 3 6 INC mm --XXX- | |
125 7D 3 4 TST mm --XX00 } }
126 7E 3 3 JMP mm ------ Rightarrow Rightarrow
127 7F 3 5 CLR mm --0100 Leftarrow Leftarrow
128 80 2 2 SUBA # --XXXX Ç
129 81 2 2 CMPA # --XXXX ü
130 82 2 2 SBCA # --XXXX é
131 83 3 3 SUBD ## --XXXX â
132 84 2 2 ANDA # --XX0- ä
133 85 2 2 BITA # --XX0- à
134 86 2 2 LDAA # --XX0- å
135 87 - - - ç
136 88 2 2 EORA # --XX0- ê
137 89 2 2 ADCA # X-XXXX ë
138 8A 2 2 ORAA # --XX0- è
139 8B 2 2 ADDA # X-XXXX ï
140 8C 3 3 CPX ## --XXXX î
141 8D 2 5 BSR r ------ ì
142 8E 3 3 LDS ## --XX0- Ä
143 8F - - - Å
144 90 2 3 SUBA 0m --XXXX É
145 91 2 3 CMPA 0m --XXXX æ
146 92 2 3 SBCA 0m --XXXX Æ
147 93 2 4 SUBD 0m --XXXX ô
148 94 2 3 ANDA 0m --XX0- ö
149 95 2 3 BITA 0m --XX0- ò
150 96 2 3 LDAA 0m --XX0- û
151 97 2 3 STAA 0m --XX0- ù
152 98 2 3 EORA 0m --XX0- ÿ
153 99 2 3 ADCA 0m X-XXXX Ö
154 9A 2 3 ORAA 0m --XX0- Ü
155 9B 2 3 ADDA 0m X-XXXX ø
156 9C 2 4 CPX 0m --XXXX £
157 9D 2 5 JSR 0m ------ Ø
158 9E 2 4 LDS 0m --XX0- Power of X
159 9F 2 4 STS 0m --XX0- Guilder
160 A0 2 4 SUBA d,X --XXXX á Space
161 A1 2 4 CMPA d,X --XXXX í square
162 A2 2 4 SBCA d,X --XXXX ó topleft hook
163 A3 2 5 SUBD d,X --XXXX ú bottomright hook
164 A4 2 4 ANDA d,X --XX0- ñ diagonal dash
165 A5 2 4 BITA d,X --XX0- Ñ dot
166 A6 2 4 LDAA d,X --XX0- ª o (small)
167 A7 2 4 STAA d,X --XX0- º a (small)
168 A8 2 4 EORA d,X --XX0- ¿ i (small)
169 A9 2 4 ADCA d,X X-XXXX Uparrow u (small)
170 AA 2 4 ORAA d,X --XX0- Downarrow e (small)
171 AB 2 4 ADDA d,X X-XXXX ½ o (small)
172 AC 2 5 CPX d,X --XXXX ¼ ya(small)
173 AD 2 5 JSR d,X ------ ¡ yu(small)
174 AE 2 5 LDS d,X --XX0- « yo(small)
175 AF 2 5 STS d,X --XX0- » tsu(small)
176 B0 3 4 SUBA mm --XXXX S, -
177 B1 3 4 CMPA mm --XXXX s, a
178 B2 3 4 SBCA mm --XXXX G~ i
179 B3 3 5 SUBD mm --XXXX g~ u
180 B4 3 4 ANDA mm --XX0- I. e
181 B5 3 4 BITA mm --XX0- Á o
182 B6 3 4 LDAA mm --XX0- Â ka
183 B7 3 4 STAA mm --XX0- À ki
184 B8 3 4 EORA mm --XX0- ?? ku
185 B9 3 4 ADCA mm X-XXXX ?? ke
186 BA 3 4 ORAA mm --XX0- Gamma ko
187 BB 3 4 ADDA mm X-XXXX ?? sa
188 BC 3 5 CPX mm --XXXX ?? shi
189 BD 3 6 JSR mm ------ Xi su
190 BE 3 5 LDS mm --XX0- ¥ se
191 BF 3 5 STS mm --XX0- Pi so
192 C0 2 2 SUBB # --XXXX phi ta
193 C1 2 2 CMPB # --XXXX Psi chi
194 C2 2 2 SBCB # --XXXX alpha tsu
195 C3 3 3 ADDD ## --XXXX gamma te
196 C4 2 2 ANDB # --XX0- delta to
197 C5 2 2 BITB # --XX0- epsilon na
198 C6 2 2 LDAB # --XX0- ã ni
199 C7 - - - Ã nu
200 C8 2 2 EORB # --XX0- zeta ne
201 C9 2 2 ADCB # X-XXXX eta no
202 CA 2 2 ORAB # --XX0- theta ha
203 CB 2 2 ADDB # X-XXXX kappa hi
204 CC 3 3 LDD ## --XX0- lambda fu
205 CD - - - xi he
206 CE 3 3 LDX ## --XX0- sigma ho
207 CF - - - ?? ma
208 D0 2 3 SUBB 0m --XXXX tau mi
209 D1 2 3 CMPB 0m --XXXX upsilon mu
210 D2 2 3 SBCB 0m --XXXX Ê me
211 D3 2 4 ADDD 0m --XXXX Ë mo
212 D4 2 3 ANDB 0m --XX0- È ya
213 D5 2 3 BITB 0m --XX0- psi yu
214 D6 2 3 LDAB 0m --XX0- Í yo
215 D7 2 3 STAB 0m --XX0- Î ra
216 D8 2 3 EORB 0m --XX0- Ï ri
217 D9 2 3 ADCB 0m X-XXXX omega ru
218 DA 2 3 ORAB 0m --XX0- alpha' re
219 DB 2 3 ADDB 0m X-XXXX epsilon' ro
220 DC 2 4 LDD 0m --XX0- eta' wa
221 DD 2 4 STD 0m --XX0- omega' n
222 DE 2 4 LDX 0m --XX0- Ì ``
223 DF 2 4 STX 0m --XX0- degree Degree
224 E0 2 4 SUBB d,X --XXXX Ó alpha
225 E1 2 4 CMPB d,X --XXXX ß ä
226 E2 2 4 SBCB d,X --XXXX Ô ß
227 E3 2 5 ADDD d,X --XXXX Ò epsilon
228 E4 2 4 ANDB d,X --XX0- õ µ
229 E5 2 4 BITB d,X --XX0- Õ sigma
230 E6 2 4 LDAB d,X --XX0- µ rho
231 E7 2 4 STAB d,X --XX0- rho ??
232 E8 2 4 EORB d,X --XX0- Square root square root
233 E9 2 4 ADCB d,X X-XXXX Power of -1 Power of -1
234 EA 2 4 ORAB d,X --XX0- Û i
235 EB 2 4 ADDB d,X X-XXXX Ù Power of x
236 EC 2 5 LDD d,X --XX0- ¢ ¢
237 ED 2 5 STD d,X --XX0- Ý ??
238 EE 2 5 LDX d,X --XX0- ý ñ
239 EF 2 5 STX d,X --XX0- Ú ö
240 F0 3 4 SUBB mm --XXXX ?? ??
241 F1 3 4 CMPB mm --XXXX ± ??
242 F2 3 4 SBCB mm --XXXX Theta Theta
243 F3 3 5 ADDD mm --XXXX infinity infinity
244 F4 3 4 ANDB mm --XX0- Omega Omega
245 F5 3 4 BITB mm --XX0- Grey block ü
246 F6 3 4 LDAB mm --XX0- Sigma Sigma
247 F7 3 4 STAB mm --XX0- pi pi
248 F8 3 4 EORB mm --XX0- 3/4 x~
249 F9 3 4 ADCB mm X-XXXX Heart ??
250 FA 3 4 ORAB mm --XX0- Diamond sen
251 FB 3 4 ADDB mm X-XXXX Club man
252 FC 3 5 LDD mm --XX0- Spade en
253 FD 3 5 STD mm --XX0- ÷ ÷
254 FE 3 5 LDX mm --XX0- Hard space Hard space
255 FF 3 5 STX mm --XX0- Black block Black block
Flags:
| - | Unchanged |
| 0 | Cleared |
| 1 | Set |
| X | Changed according to data |
| a | Set when interrupt occurs. If previously set, an NMI is needed to exit wait state. |
| b | Most significant bit of B, i.e. bit 7 of product. |
| c | Carry will be set if the result is too large. This not only happens if highest nibble overflows by the adjustion, but also if carry was already set from a previous instruction (usually addition). |
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