Lynx changes by Karri Kaksonen.

git-svn-id: svn://svn.cc65.org/cc65/trunk@4181 b7a2c559-68d2-44c3-8de9-860c34a00d81

diff --git a/doc/lynx.sgml b/doc/lynx.sgml
index 95745278ce61cd5857ab0fe11df2414d37def556..c897a4dad99495252dd68672bf1ffe26c0bfc020 100644 (file)
--- a/doc/lynx.sgml
+++ b/doc/lynx.sgml
@@ -146,9 +146,6 @@ To update displays you can call tgi_updatedisplay() or tgi_ioctl(4, 1) it
 will wait for the next VBL interrupt and set the draw buffer to the
 view buffer. The draw buffer is also changed to (drawbuffer xor 1).
 
-Set an address for a subroutine you want to call at every VBL by calling
-tgi_setvblhook(addr) or tgi_ioctl(5, addr).
-
 <sect1>Extended memory drivers<p>
 
 No extended memory drivers are currently available for the Lynx.

diff --git a/include/lynx.h b/include/lynx.h
index 391a834ec18fb9b418e6cf41d2796592945520a6..b669f78a1b2bde171bb385e9127c9884e3f03fc5 100644 (file)
--- a/include/lynx.h
+++ b/include/lynx.h
@@ -125,7 +125,6 @@ void __fastcall__ lynx_eeprom_erase (unsigned char cell);
 #define tgi_setframerate(rate) tgi_ioctl(3, (unsigned)(rate))
 #define tgi_busy() tgi_ioctl(4, 0)
 #define tgi_updatedisplay() tgi_ioctl(4, 1)
-#define tgi_setvblhook(addr) tgi_ioctl(5, (unsigned)(addr))
 
 /* End of lynx.h */
 #endif

diff --git a/libsrc/lynx/crt0.s b/libsrc/lynx/crt0.s
index 245dd12072e26fc1061e9124bc84457eb4ed5f61..a49902c4aea63c986891677169b7345d37451b73 100644 (file)
--- a/libsrc/lynx/crt0.s
+++ b/libsrc/lynx/crt0.s
@@ -162,6 +162,7 @@ _exit:  jsr     donelib         ; Run module destructors
 noret:  bra     noret
 
 
+       .segment "CODE"
 IRQStub:
        phy
        phx

diff --git a/libsrc/lynx/lynx-160-102-16.s b/libsrc/lynx/lynx-160-102-16.s
index c41b89d2511e1978a43840307e5c582bfca9d399..a27496cbcf516489a0137879983da5c22b9ef3bc 100644 (file)
--- a/libsrc/lynx/lynx-160-102-16.s
+++ b/libsrc/lynx/lynx-160-102-16.s
@@ -107,7 +107,6 @@ BGINDEX:        .res    1   ; Pen to use for text background
 ; Double buffer IRQ stuff
 DRAWPAGE:      .res    1
 SWAPREQUEST:   .res    1
-VBLHOOK:       .res    3
 
 text_bitmap:    .res   8*(1+20+1)+1
 ; 8 rows with (one offset-byte plus 20 character bytes plus one fill-byte) plus one 0-offset-byte
@@ -168,8 +167,6 @@ INSTALL:
        stz     BGINDEX
        stz     DRAWPAGE
        stz     SWAPREQUEST
-       lda     #$60            ; rts op-code
-       sta     VBLHOOK
         rts
 
 
@@ -245,27 +242,13 @@ GETERROR:
 ;
 ; To update displays you can call tgi_ioctl(4, 1) it will wait for the
 ; next VBL interrupt and swap draw and view buffers.
-;
-; Set an address for a subroutine you want to call at every VBL
-; tgi_ioctl(5, hook)
 
 CONTROL:
         pha                    ; Almost all control routines succeed
         lda     #TGI_ERR_OK
        sta     ERROR
        pla
-       cmp     #5
-       bne ControlSwapRequest
-
-       lda     ptr1            ; Set IRQ routine to be called at VBL
-       sta     VBLHOOK+1
-       lda     ptr1+1
-       sta     VBLHOOK+2
-       lda     #$43            ; jmp op-code
-       sta     VBLHOOK
-       rts
 
-ControlSwapRequest:
        cmp     #4
        bne     ControlFramerate
 
@@ -280,6 +263,7 @@ ControlFramerate:
        cmp     #3
        bne     ControlTextBG
 
+       lda     ptr1
                cmp     #75             ; Set framerate
                beq     rate75
                cmp     #60
@@ -478,7 +462,6 @@ IRQ:
                jsr     SETDRAWPAGE
                stz     SWAPREQUEST
 @L0:
-               jsr     VBLHOOK
 IRQEND:
                clc
                rts