-XFREAD = $27 ; only in TELEMON 3.0
-XOPEN = $30 ; only in TELEMON 3.0
-XCOSCR = $34 ; switch off cursor
-XCSSCR = $35 ; switch on cursor
-XCLOSE = $3A ; only in TELEMON 3.0 Close file
-XFWRITE = $3B ; only in TELEMON 3.0 write file
-XSONPS = $40
-XOUPS = $42
-XPLAY = $43
+XVARS = $24 ; Only in TELEMON 3.x, in TELEMON 2.4, it's XNOMFI ($24)
+XCRLF = $25 ; Jump a line and return to the beginning of the line
+XDECAY = $26
+XFREAD = $27 ; Only in TELEMON 3.x (bank 7 of Orix)
+XBINDX = $28 ; Convert a number into hex and displays on channel 0
+XDECIM = $29
+XHEXA = $2A ; Convert a number into hex
+
+XEDT = $2D ; Launch editor
+XINSER = $2E
+
+XSCELG = $2F ; Search a line in editor mode
+XOPEN = $30 ; Only in TELEMON 3.x (bank 7 of Orix)
+XECRPR = $33 ; Displays prompt
+XCOSCR = $34 ; Switch off cursor
+XCSSCR = $35 ; Switch on cursor
+XSCRSE = $36
+XSCRNE = $39 ; Load charset from rom to ram
+XCLOSE = $3A ; Only in TELEMON 3.x close file (bank 7 of Orix)
+XFWRITE = $3B ; Only in TELEMON 3.x write file (bank 7 of Orix)
+
+; Clock primitive
+XRECLK = $3C ; Reset clock
+XCLCL = $3D ; Close clock
+XWRCLK = $3E ; Displays clock in the adress in A & Y registers
+
+XSONPS = $40 ; Send data to PSG register (14 values)
+XOUPS = $42 ; Send Oups sound into PSG
+XPLAY = $43 ; Play a sound