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Updated the cx16 library to the Commander X16's ROM prerelease 37.

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This commit is contained in:
Greg King
2020-05-02 13:46:06 -04:00
parent 31daa706b7
commit cbf0c1d1dd
17 changed files with 447 additions and 233 deletions
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18
libsrc/cx16/bordercolor.s
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@@ -1,5 +1,5 @@
;
; 2019-09-23, Greg King
; 2020-05-02, Greg King
;
; unsigned char __fastcall__ bordercolor (unsigned char color);
; /* Set the color for the border. The old color setting is returned. */
@@ -11,17 +11,7 @@
_bordercolor:
tax
; Point to the border color register.
stz VERA::CTRL ; Use port 0
lda #<VERA::COMPOSER::FRAME
sta VERA::ADDR
lda #>VERA::COMPOSER::FRAME
sta VERA::ADDR+1
ldy #^VERA::COMPOSER::FRAME | VERA::INC0
sty VERA::ADDR+2
lda VERA::DATA0 ; get old value
stx VERA::DATA0 ; set new value
stz VERA::CTRL ; Use display register bank 0
lda VERA::DISP::FRAME ; get old value
stx VERA::DISP::FRAME ; set new value
rts