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added missing cputhex8 and cputhex16 functions

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git-svn-id: svn://svn.cc65.org/cc65/trunk@1804 b7a2c559-68d2-44c3-8de9-860c34a00d81
This commit is contained in:
izydorst 2002-12-20 22:55:17 +00:00
parent 3dc9b06127
commit f29db6ace0
2 changed files with 40 additions and 1 deletions
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2
libsrc/geos/conio/Makefile
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@ -8,7 +8,7 @@
S_OBJS = cclear.o chline.o cvline.o cgetc.o clrscr.o color.o\
cputc.o cpputs.o cputs.o cursor.o gotoxy.o kbhit.o revers.o\
cputc.o cputhex.o cpputs.o cputs.o cursor.o gotoxy.o kbhit.o revers.o\
screensize.o where.o _scrsize.o
all: $(S_OBJS)

39
libsrc/geos/conio/cputhex.s Normal file
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@ -0,0 +1,39 @@
;
; Ullrich von Bassewitz, 08.08.1998
;
; void cputhex8 (unsigned char val);
; void cputhex16 (unsigned val);
;
.export _cputhex8, _cputhex16
.import _cputc
.import __hextab
_cputhex16:
pha ; Save low byte
txa ; Get high byte into A
jsr _cputhex8 ; Output high byte
pla ; Restore low byte and run into _cputhex8
_cputhex8:
pha ; Save the value
lsr a
lsr a
lsr a
lsr a
tay
lda __hextab,y
jsr _cputc
pla
and #$0F
tay
lda __hextab,y
jmp _cputc