DM32 program byte counts
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05-31-2023, 08:48 PM
(This post was last modified: 05-31-2023 08:49 PM by Joe Horn.)
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DM32 program byte counts
Unlike the HP 32SII, which used exactly 1.5 bytes for every program step (except for literal numbers and equations), the DM32 uses only 1 byte for most program steps, but occasionally uses 3 or 4 bytes for some programmable operations. Here's the complete list (as of v2.02; subject to change in future firmware updates):
BYTES PER DM32 PROGRAM STEP All programmable functions and commands use 1 byte except all STO and RCL commands which use 4 bytes each, and all of the following which use 3 bytes each: ∫FN d var or (i) CF n DSE var or (i) ENG n FIX n FN= label or (i) FS? n GTO label or (i) INPUT var or (i) ISG var or (i) LBL label SCI n SF n SOLVE var or (i) VIEW var or (i) XEQ label or (i) x<> var or (i) LITERAL NUMBERS Unlike in the HP 32SII, literal numbers in DM32 program memory occupy 2 bytes plus 1 byte per digit, decimal point (if keyed in), EEX, sign, fraction mark. If numeric entry is begun by pressing the decimal point key, a leading zero ("0.") is automatically entered. Fraction-notation numbers are stored in program memory as such, e.g. 1.2.3 is stored as 1.2.3, not as its decimal equivalent. The internal format can be seen by pressing SHOW. Example: 2.6.3 is fraction notation for 2+6/3 which equals 4. Keying 2.6.3 into a program is displayed in the program listing as 4, and when run it puts 4 into X, but SHOW reveals that it's stored in program memory as 2.6.3 which occupies 7 bytes. Some non-obvious consequences of the above rules:
<0|ɸ|0> -Joe- |
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Messages In This Thread |
DM32 program byte counts - Joe Horn - 05-31-2023 08:48 PM
RE: DM32 program byte counts - jonmoore - 06-01-2023, 05:25 AM
RE: DM32 program byte counts - rprosperi - 06-01-2023, 11:40 AM
RE: DM32 program byte counts - Maximilian Hohmann - 06-01-2023, 05:58 PM
RE: DM32 program byte counts - Joe Horn - 06-01-2023, 06:27 PM
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