diff --git a/SourceGen/RuntimeData/Apple/F8-ROM.sym65 b/SourceGen/RuntimeData/Apple/F8-ROM.sym65
index 0e8ed0f..d7d92dd 100644
--- a/SourceGen/RuntimeData/Apple/F8-ROM.sym65
+++ b/SourceGen/RuntimeData/Apple/F8-ROM.sym65
@@ -24,7 +24,7 @@ MON_H2          @ $2C       ;right end of horizontal line drawn by HLINE
 MON_V2          @ $2D       ;bottom of vertical line drawn by VLINE
 MON_COLOR       @ $30       ;lo-res graphics color
 MON_INVFLAG     @ $32       ;text mask (255=normal, 127=flash, 63=inv)
-MON_PROMPT      @ $33       ;prompt character
+MON_PROMPT      @ $33       ;prompt character, used by GETLN
 MON_CSWL        @ $36       ;character output hook (lo)
 MON_CSWH        @ $37       ;character output hook (hi)
 MON_KSWL        @ $38       ;character input hook (lo)
@@ -77,7 +77,7 @@ MON_TEXT2COPY   @ $F962
 MON_OLDIRQ      @ $FA40     ;autostart ROM IRQ handler
 MON_BREAK       @ $FA4C
 MON_OLDBRK      @ $FA59
-MON_RESET       @ $FA62
+MON_RESET       @ $FA62     ;autostart ROM RESET handler
 MON_PWRUP       @ $FAA6
 MON_SLOOP       @ $FABA
 MON_REGDSP      @ $FAD7     ;display register contents
@@ -89,14 +89,14 @@ MON_SETTXT      @ $FB39     ;set screen to text mode
 MON_SETGR       @ $FB40     ;set screen to graphics mode
 MON_SETWND      @ $FB4B     ;set normal low-res graphics window
 MON_SETWND2     @ $FB51
-MON_TABV        @ $FB5B     ;place cursor at line (A-reg) and column (ch)
+MON_TABV        @ $FB5B     ;place cursor at line (A-reg) and column (CH)
 MON_APPLEII     @ $FB60     ;clear screen and put "Apple II" into first line
 MON_SETPWRC     @ $FB6F
-MON_VIDWAIT     @ $FB78
+MON_VIDWAIT     @ $FB78     ;autostart: handle Ctrl+S after CR
 MON_KBDWAIT     @ $FB88
-MON_VERSION     @ $FBB3
-MON_ZIDBYTE2    @ $FBBF
-MON_ZIDBYTE     @ $FBC0
+MON_VERSION     @ $FBB3     ;used to detect system version
+MON_ZIDBYTE2    @ $FBBF     ;used to detect system version
+MON_ZIDBYTE     @ $FBC0     ;used to detect system version
 MON_BASCALC     @ $FBC1     ;calculate text base address
 MON_BELL1       @ $FBDD     ;sound bell regardless of output device
 MON_BELL1_2     @ $FBE2
@@ -106,15 +106,15 @@ MON_ADVANCE     @ $FBF4     ;move cursor right
 MON_VIDOUT      @ $FBFD     ;output Acc as text
 MON_BS          @ $FC10     ;move cursor left
 MON_UP          @ $FC1A     ;move cursor up
-MON_VTAB        @ $FC22     ;tab to row specified in Acc
-MON_VTABZ       @ $FC24
+MON_VTAB        @ $FC22     ;tab to row specified in CV
+MON_VTABZ       @ $FC24     ;tab to row specified in Acc
 MON_CLREOP      @ $FC42     ;clear screen from cursor to end of page
 MON_HOME        @ $FC58     ;clear screen and reset text output to top-left
 MON_CR          @ $FC62     ;perform a carriage return
 MON_LF          @ $FC66     ;perform a line feed
 MON_SCROLL      @ $FC70     ;scroll up one line
 MON_CLREOL      @ $FC9C     ;clear to end of line
-MON_CLREOLZ     @ $FC9E
+MON_CLREOLZ     @ $FC9E     ;clear from pos in Y-reg to end of line
 MON_WAIT        @ $FCA8     ;delay for (26 + 27*Acc + 5*(Acc*Acc))/2 cycles
 MON_NXTA4       @ $FCB4     ;increment A4, fall through into NXTA1
 MON_NXTA1       @ $FCBA     ;increment A1; set carry if A1 >= A2 before inc
@@ -128,9 +128,9 @@ MON_KEYIN       @ $FD1B     ;get next key input from keyboard hardware
 MON_RDCHAR      @ $FD35     ;calls RDKEY to get next char
 MON_GETLNZ      @ $FD67     ;get a line of input
 MON_GETLN       @ $FD6A     ;get a line of input
-MON_GETLN0      @ $FD6C
-MON_GETLN1      @ $FD6F
-MON_CROUT1      @ $FD8B
+MON_GETLN0      @ $FD6C     ;GETLN with prompt char in A-reg
+MON_GETLN1      @ $FD6F     ;GETLN with no prompt char
+MON_CROUT1      @ $FD8B     ;clear to EOL and print a carriage return
 MON_CROUT       @ $FD8E     ;print a carriage return
 MON_PRA1        @ $FD92     ;print CR, then hex of A1H/A1L, then minus sign
 MON_PRBYTE      @ $FDDA     ;print Acc as two-digit hex number
@@ -138,15 +138,15 @@ MON_PRHEX       @ $FDE3     ;print right nibble of Acc as single hex digit
 MON_COUT        @ $FDED     ;print Acc to output device via $36-37
 MON_COUT1       @ $FDF0     ;print Acc to screen
 MON_COUTZ       @ $FDF6
-MON_IDROUTINE   @ $FE1F
+MON_IDROUTINE   @ $FE1F     ;RTS on 8-bit, ID routine on IIgs
 MON_MOVE        @ $FE2C     ;move bytes from A1 to A4 until A1=A2
 MON_LIST        @ $FE5E     ;disassemble 20 instructions (not on GS)
 MON_SETINV      @ $FE80     ;set video mode to inverse
 MON_SETNORM     @ $FE84     ;set video mode to normal
 MON_SETKBD      @ $FE89     ;reset char input handler to ROM
-MON_INPORT      @ $FE8B
+MON_INPORT      @ $FE8B     ;set char input handler to slot in A-reg
 MON_SETVID      @ $FE93     ;reset char output handler to ROM
-MON_OUTPORT     @ $FE95
+MON_OUTPORT     @ $FE95     ;set char output handler to slot in A-reg
 MON_GO          @ $FEB6
 MON_WRITE       @ $FECD     ;write data to cassette
 MON_READ        @ $FEFD     ;read data from cassette