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SHR cursor now working in MODE 0 too

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Bobbi Webber-Manners 2023-01-09 20:26:09 -05:00
parent f0e27aaba8
commit 906e2bd463
2 changed files with 15 additions and 3 deletions
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applecorn.po
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18
auxmem.shr.s
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@ -159,6 +159,16 @@ SHRPRCHAR CMP CURSORED ; Edit cursor?
* Plot or unplot a cursor on SHR screen
SHRCURSOR PHA ; Preserve character
LDA VDUPIXELS ; Pixels per byte
CMP #$02 ; 2 is 320-mode (MODE 1)
BNE :MODE0
LDA #$04 ; 4 bytes in 320 mode
LDX #$77 ; Two white pixels
BRA :S1
:MODE0 LDA #$02 ; 2 bytes in 640 mode
LDX #$FF ; Two white pixels
:S1 STA :BYTES ; Bytes per char
STX :WHITE
LDA VDUSTATUS ; If VDU5 mode, bail
AND #$20
BNE :BAIL
@ -182,21 +192,23 @@ SHRCURSOR PHA ; Preserve character
BEQ :CURSORON
BRA :CURSOROFF
:CURSORON
:L1 LDA #$77
:L1 LDA :WHITE
STAL [VDUADDR],Y
INY
CPY #$04 ; TODO: Two bytes for 640 mode
CPY :BYTES
BNE :L1
RTS
:CURSOROFF
:L2 LDA SHRBGMASKA
STAL [VDUADDR],Y
INY
CPY #$04 ; TODO: Two bytes for 640 mode
CPY :BYTES
BNE :L2
:DONE RTS
:BAIL PLA
RTS
:BYTES DB $00 ; 2 for 640-mode, 4 for 320-mode
:WHITE DB $00 ; White pixels for mode
* Write character to SHR screen in 320 pixel mode