Apple-2-SW/apple2_print_uint16
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Remove unused label, add note about buffer overflow

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Michaelangel007 2017-07-05 17:04:50 -07:00
parent d5f4ab176d
commit 242811e99a
1 changed files with 6 additions and 4 deletions
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10
print_uint16.s
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@ -4,15 +4,17 @@ COUT = $FDED
LDA #$12
LDX #$34
JMP PrintUint
JMP PrintUint16
; Print unsigned 16-bit integer
; A=High byte
; X=Low byte
; Also see: Applesoft LINPRT @ ED24
; ======================================================================
PrintUint
PrintUint16
STX _temp+0
STA _temp+1
PrintDecYX
LDA #0
STA _len ; output buffer len = num digits to print
STA _bcd+0
@ -39,7 +41,7 @@ _DoubleDabble ; Y=FD Y=FE Y=FF Y=00
CLD
DecWidth
LDY #3 ; intentional buffer overflow - 8 digit output
LDY #3 ; intentional buffer overflow - 8 digit output for special case of $0000
BCD2Chars
LDA _bcd,Y
JSR HexA ; _output[0..7] = '?'