6F3B0253
7. Instructions
FUN 062
HTOA
Hex to ASCII conversion
Expression
Input − [ A HTOA (n) B ]− Output
Function
When the input is ON, the hexadecimal data of n registers starting with A is converted into ASCII characters and stored in B and after. The uppermost digit of source A is stored in lower byte of destination B, and followed in this order. The allowable range of n is 1 to 32.
Execution condition
Input |
| Operation | Output |
OFF | No execution |
| OFF |
ON | Execution |
| ON |
Operand
| Name |
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| Device |
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| Register |
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| Constant | Index | ||
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| X | Y | R | S | T. | C. | XW | YW | RW | SW | T | C | D | I | J | K |
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A | Source |
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| √ | √ | √ | √ |
| √ | √ | √ | √ | √ | √ | √ |
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n | Data size |
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| 1 - 32 |
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B | Destination |
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| √ |
| √ | √ | √ | √ | √ |
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Example
When R010 is ON, 4 words data of D0100 to D0103 are converted into ASCII characters, and stored in 8 words registers starting with D0200.
D0100
D0101
D0102
D0103
F | 0 |
H0123
H4567
H89AB
HCDEF
D0220
Converted D0221 
D0222 D0223 D0224 D0225 D0226 D0227
F | 8 7 | 0 |
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| “1” (H31) | “0” (H30) |
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| “3” (H33) | “2” (H32) |
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| “5” (H35) | “4” (H34) |
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| “7” (H37) | “6” (H36) |
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| “9” (H39) | “8” (H38) |
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| “B” (H42) | “A” (H41) |
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“D” (H44) | “C” (H43) |
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| “F” (H46) | “E” (H45) |
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Note
•If index register (I, J or K) is used for the operand A, only n = 1 is allowed. Otherwise, boundary error will occur.
Basic Hardware and Function 161
