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--- public:calculator:guides:hp16c_emulator [13/02/25 06:28 GMT] – [Setting Word Size and negative number convention] john
+++ public:calculator:guides:hp16c_emulator [06/03/25 06:49 GMT] (current) – external edit 127.0.0.1
@@ Line 278: / Line 278: @@
 Word size is set with <key>W</key> then enter (eg) ''16'' to set 16-bit words.
-Word Size can also be set directly from a ''16C'' keyboard function ''16WSZ'' accessed via  <key>16C</key> <key>SHIFT</key> ''5'' rather than via the ''∑MOD'' menu/launcher
+Word Size can also be set directly from a ''16C'' keyboard function ''16WSZ'' accessed via  <key>16C</key> <key>SHIFT</key> <key>5</key> rather than via the ''∑MOD'' menu/launcher
-<key>'?'</key> displays the current settings (**press ''?'' then quickly press again to hold the displayed info**)
+<key>'?'</key> displays the current settings (**press ''?'' then quickly press and hold it to read the displayed info**)
 ''0c - 16 - DEC''
@@ Line 294: / Line 294: @@
 Some trial and error is needed to find what you want, but it starts:
-''16C'' ''XEQ'' -> ''R:  L  LN  RN  R'' which is a menu to do bit-rotations.
+<key>16C</key> <key>XEQ</key> -> ''R:  L  LN  RN  R'' which is a menu to do bit-rotations.
-Rotate 1-bit Left by pressing top-row button ''B''
+Rotate 1-bit Left by pressing top-row button <key>B</key>
-Rotate N-bits left with top-row button ''C'' (and enter the number of bits)
+Rotate N-bits left with top-row button <key>'C'</key> (and enter the number of bits)
-Rotate N-bits Right with top-row button ''D'' (and enter the number of bits)
+Rotate N-bits Right with top-row button <key>D</key> (and enter the number of bits)
-Rotate 1-bit Right with top-row button ''E''.
+Rotate 1-bit Right with top-row button <key>E</key>.
 From the ''R'' menu:
-''A'' give the ''S:  L  LN  RN  R'' menu to ''SHIFT'' bits Left or Right
+<key>'A'</key> give the ''S:  L  LN  RN  R'' menu to ''SHIFT'' bits Left or Right
 From the ''S'' menu:
-''XEQ'' gives ''∑R : ...................... '' which gives lots of options to do things //rightwards// with the bits. FIXME list them
+<key>XEQ</key> gives ''∑R : ...................... '' which gives lots of options to do things //rightwards// with the bits. FIXME list them
-This goes on via ''XEQ'' and ''SHIFT'' (''ORANGE'' button) to access several //menu launchers//. Trial and Error and muscle memory.
+This goes on via <key>XEQ</key> and <key>SHIFT</key> (''ORANGE'' button) to access several //menu launchers//. Trial and Error and muscle memory.
 === A brief map/list of launchers ===
-** assumes ''16KEYS'' is active**
+<key>16C</key><key>XEQ</key> -> ''∑ROT''
-<key>XEQ</key> -> ''∑ROT''
 ''∑ROT'' -> <key>XEQ</key> -> ''∑LEFT'' -> <key>XEQ</key> -> ''∑MOD'' -> <key>XEQ</key> -> ''∑ROT''
@@ Line 339: / Line 337: @@
 ===== Registers etc =====
-Numbers can be saved in ''16C'' registers via ''16C'' ''STO'' ''NN''
+Numbers can be saved in ''16C'' registers via <key>16C</key> <key>STO</key> ''NN''
-e.g. save a ''subnet mask'' of ''11111100'' into REG ''00'' (a **/30** network ''255.255.255.252'')
+e.g. save a ''subnet mask'' of ''11111100'' into ''16C'' REG ''00'' (i.e. the last octet of a **/30** network ''255.255.255.252'')
-''16C'' ''B'' (go to BINARY mode)
+<key>16C</key> <key>B</key> (go to BINARY mode)
-''16C'' ''16NPT'' ''11111100'' ''ENTER'' ''16C'' ''STO'' ''00''
+<key>16C</key> <key>16NPT</key> ''11111100'' <key>ENTER</key> <key>16C</key> <key>STO</key> ''00''
 ==== Use the stored value ====
@@ Line 351: / Line 349: @@
 What is ''123'' ''AND'' ''MASK'' ? (what's the //network// base number for host address of 123 using a netmask of 252?)
-''16C'' ''D'' (decimal so you can enter ''123'' rather than a BINARY number)
+<key>16C</key> <key>D</key> (decimal so you can enter ''123'' rather than a BINARY number)
-''16C'' ''16NPT'' ''123'' ''ENTER''
+<key>16C</key> <key>16NPT</key> ''123'' <key>ENTER</key>
 recall mask (it doesn't matter that it was initially stored as a BINARY number, it's displayed in whatever base you are currently using)
-''16C'' ''RCL'' ''00''
+<key>16C</key> <key>RCL</key> ''00''
 ''AND'' them
-''16C'' ''SHIFT'' ''x''
+<key>16C</key> <key>SHIFT</key> <key>'x'</key>
 answer is ''120''
@@ Line 369: / Line 367: @@
 Net address of a host with address ''43''?
-''16C'' ''D''
+<key>16C</key> <key>D</key>
-''16C'' ''16NPT'' ''43'' ''ENTER''
+<key>16C</key> <key>16NPT</key> ''43'' <key>ENTER</key>
-''16C'' ''RCL'' ''00''
+<key>16C</key> <key>RCL</key> ''00''
-''16C'' ''SHIFT'' ''X''
+<key>16C</key> <key>SHIFT</key> <key>'x'</key>
 answer : ''40''
@@ Line 384: / Line 382: @@
 ===== Most Used Functions =====
-''16C'' = ''LN'' (i.e. ''E'' on top-row)
+<key>16C</key> = <key>LN</key> (i.e. <key>E</key> on top-row)
-''16NPT'' = ''∑+'' (i.e. ''A'' on top-row, must be triggered with ''16C'') ((if you forget the ''16C'' and hit ''∑+'' directly you'll probably end up with the ''complex number'' module keyboard triggger ''Z:''))
+<key>16NPT</key> = <key>'∑+'</key> (i.e. <key>'A'</key> on top-row, must be triggered with <key>16C</key>) ((if you forget the <key>16C</key> and hit <key>'∑+'</key> directly you'll probably end up with the ''complex number'' module keyboard trigger ''Z:''))
-''16C'' ''16NPT'' ''type in a number'' ''ENTER'' (enter a number in whatever base is currently selected)
+<key>16C</key> <key>16NPT</key> ''type in a number'' <key>ENTER</key> (enter a number in whatever base is currently selected)
-''BIN'' ''OCT'' ''DEC'' ''HEX'' = ''16C'' then one of top-row buttons ''B'', ''C'', ''D'', ''E''  (select the required base)
+''BIN'' ''OCT'' ''DEC'' ''HEX'' = <key>16C</key> then one of top-row buttons <key>'B'</key>, <key>'C'</key>, <key>'D'</key>, <key>'E'</key>  (select the required base)
-''∑MOD''  = ''16C'' ''USR'' .... or  ''16C'' ''SHIFT'' ''2''  (open a settings menu to set the choice of mode/word/signed)
+''∑MOD''  = <key>16C</key> <key>USR</key> .... or  <key>16C</key> <key>SHIFT</key> <key>2</key>  (open a settings menu to set the choice of mode/word/signed)
-''NOT'' / ''OR'' / ''AND'' / ''XOR'' = ''16C'' ''SHIFT'' then one of ''-'' ''+'' ''x'' ''÷'' (logic functions)
+''NOT'' / ''OR'' / ''AND'' / ''XOR'' = <key>16C</key> <key>SHIFT</key> then one of ''-'' ''+'' ''x'' ''÷'' (logic functions)
-''RR'' / ''RL'' = ''16C'' then one of ''SIN'' or ''COS'' (rotate Left or Right 1-bit)
+''RL'' / ''RR'' = <key>16C</key> then one of <key>SIN</key> or <key>COS</key> (rotate Left or Right 1-bit)
-''RRN'' / ''RLN'' = ''16C'' ''SHIFT'' then one of ''SIN'' or ''COS'' (rotate Left or Right N-bits)
+''RLN'' / ''RRN'' = <key>16C</key> <key>SHIFT</key> then one of <key>SIN</key> or <key>COS</key> (rotate Left or Right N-bits _ _)
-''SLN'' = ''16C'' ''TAN'' (shift Left N-bits)
+''SLN'' = <key>16C</key> <key>TAN</key> (shift Left N-bits _ _)
-''SRN'' = ''16C'' ''SHIFT'' ''TAN'' (shift Right N-bits)
+''SRN'' = <key>16C</key> <key>SHIFT</key> <key>TAN</key> (shift Right N-bits _ _)
-''Sb'' = ''16C'' ''SHIFT'' ''7'' (set a bit _ _)
+''Sb'' = <key>16C</key> <key>SHIFT</key> <key>7</key> (set a bit _ _)
-''Cb'' = ''16C'' ''SHIFT'' ''8'' (clear a bit _ _)
+''Cb'' = <key>16C</key> <key>SHIFT</key> <key>8</key> (clear a bit _ _)
-''B?'' = ''16C'' ''SHIFT'' ''9'' (is a bit set or not?)
+''B?'' = <key>16C</key> <key>SHIFT</key> <key>9</key> (is a bit _ _ set or not?)
-''#BITS'' = ''16C'' ''SHIFT'' ''∑+'' (i.e. ''A'' on top-row) (how many bits are high?)
+''#BITS'' = <key>16C</key> <key>SHIFT</key> <key>'∑+'</key> (i.e. <key>'A'</key> on top-row) (how many bits are high?)
 See [[#Keyboard Overlay]] Pic above for more hints on ''16C'' key assignments