From 1a5a724f1b1c40af3def8a385296968bd9e37c00 Mon Sep 17 00:00:00 2001 From: cuz <cuz@b7a2c559-68d2-44c3-8de9-860c34a00d81> Date: Tue, 25 Mar 2008 19:07:52 +0000 Subject: [PATCH] Removed obsolete files. git-svn-id: svn://svn.cc65.org/cc65/trunk@3817 b7a2c559-68d2-44c3-8de9-860c34a00d81 --- libsrc/apple2/apple2-lc.s | 282 -------------------------------------- libsrc/apple2/rhome.s | 10 -- 2 files changed, 292 deletions(-) delete mode 100644 libsrc/apple2/apple2-lc.s delete mode 100644 libsrc/apple2/rhome.s diff --git a/libsrc/apple2/apple2-lc.s b/libsrc/apple2/apple2-lc.s deleted file mode 100644 index 17a6211cf..000000000 --- a/libsrc/apple2/apple2-lc.s +++ /dev/null @@ -1,282 +0,0 @@ -; -; Extended memory driver for the Apple II language card -; -; Stefan Haubenthal, 2003-12-13 -; Ullrich von Bassewitz, 2002-12-02,2003-12-21 -; - - .include "zeropage.inc" - - .include "em-kernel.inc" - .include "em-error.inc" - - - .macpack generic - - -; ------------------------------------------------------------------------ -; Header. Includes jump table - -.segment "JUMPTABLE" - -; Driver signature - - .byte $65, $6D, $64 ; "emd" - .byte EMD_API_VERSION ; EM API version number - -; Jump table. - - .word INSTALL - .word UNINSTALL - .word PAGECOUNT - .word MAP - .word USE - .word COMMIT - .word COPYFROM - .word COPYTO - -; ------------------------------------------------------------------------ -; Constants - -BASE = $D000 ; $Cxxx -> $Dxxx bank 1 -BASE2 = $D000 -PAGES = ($10000 - BASE) / 256 -ROMONLY2= $C082 -LC2RW = $C083 -LC1RW = $C08B - -; ------------------------------------------------------------------------ -; Data. - -.bss -curpage: .res 1 ; Current page number - -.bss -window: .res 256 ; Memory "window" - -.code - -; ------------------------------------------------------------------------ -; INSTALL routine. Is called after the driver is loaded into memory. If -; possible, check if the hardware is present and determine the amount of -; memory available. -; Must return an EM_ERR_xx code in a/x. -; - -INSTALL: - lda #$FF - sta curpage ; Invalidate the current page - lda #EM_ERR_OK - ldx #$00 -; rts ; Run into UNINSTALL instead - -; ------------------------------------------------------------------------ -; UNINSTALL routine. Is called before the driver is removed from memory. -; Can do cleanup or whatever. Must not return anything. -; - -UNINSTALL: - rts - - -; ------------------------------------------------------------------------ -; PAGECOUNT: Return the total number of available pages in a/x. -; - -PAGECOUNT: - lda #<PAGES - ldx #>PAGES - rts - -; ------------------------------------------------------------------------ -; MAP: Map the page in a/x into memory and return a pointer to the page in -; a/x. The contents of the currently mapped page (if any) may be discarded -; by the driver. -; - -MAP: sta curpage ; Remember the new page - - add #>BASE - sta ptr1+1 - ldy #$00 - sty ptr1 - - lda #<window - sta ptr2 - lda #>window - sta ptr2+1 - -; Transfer one page - - jsr transfer ; Transfer one page - -; Return the memory window - - lda #<window - ldx #>window ; Return the window address - rts - -; ------------------------------------------------------------------------ -; USE: Tell the driver that the window is now associated with a given page. - -USE: sta curpage ; Remember the page - lda #<window - ldx #>window ; Return the window - rts - -; ------------------------------------------------------------------------ -; COMMIT: Commit changes in the memory window to extended storage. - -COMMIT: lda curpage ; Get the current page - bmi done ; Jump if no page mapped - - add #>BASE - sta ptr2+1 - ldy #$00 - sty ptr2 - - lda #<window - sta ptr1 - lda #>window - sta ptr1+1 - -; Transfer one page. Y must be zero on entry - -transfer: - ldx #$00 - lda ptr2+1 - cmp #>BASE - bcc @L1 - cmp #>BASE2 - bcs @L1 - adc #>(BASE2-BASE) - sta ptr2+1 - ldx #LC1RW-LC2RW -@L1: lda ptr1+1 - cmp #>BASE - bcc @L2 - cmp #>BASE2 - bcs @L2 - adc #>(BASE2-BASE) - sta ptr1+1 - ldx #LC1RW-LC2RW -@L2: sei - lda LC2RW,x ; Bank out ROMs - lda LC2RW,x - -; Unroll the following loop - -loop: .repeat 8 - lda (ptr1),y - sta (ptr2),y - iny - .endrep - - bne loop - -; Restore the old memory configuration, allow interrupts - - lda ROMONLY2 ; Bank in ROMs - cli - -; Done - -done: rts - -; ------------------------------------------------------------------------ -; COPYFROM: Copy from extended into linear memory. A pointer to a structure -; describing the request is passed in a/x. -; The function must not return anything. -; - -COPYFROM: - sta ptr3 - stx ptr3+1 ; Save the passed em_copy pointer - - ldy #EM_COPY::OFFS - lda (ptr3),y - sta ptr1 - ldy #EM_COPY::PAGE - lda (ptr3),y - add #>BASE - sta ptr1+1 ; From - - ldy #EM_COPY::BUF - lda (ptr3),y - sta ptr2 - iny - lda (ptr3),y - sta ptr2+1 ; To - -common: ldy #EM_COPY::COUNT+1 - lda (ptr3),y ; Get number of pages - beq @L2 ; Skip if no full pages - sta tmp1 - -; Copy full pages allowing interrupts after each page copied - - ldy #$00 -@L1: jsr transfer - inc ptr1+1 - inc ptr2+1 - dec tmp1 - bne @L1 - -; Copy the remainder of the page - -@L2: ldy #EM_COPY::COUNT - lda (ptr3),y ; Get bytes in last page - beq @L4 - pha - - sei - lda LC2RW,x ; Bank out ROMs - lda LC2RW,x - pla - tax - -; Transfer the bytes in the last page - - ldy #$00 -@L3: lda (ptr1),y - sta (ptr2),y - iny - dex - bne @L3 - -; Restore the old memory configuration, allow interrupts - - lda ROMONLY2 ; Bank in ROMs - cli - -; Done - -@L4: rts - -; ------------------------------------------------------------------------ -; COPYTO: Copy from linear into extended memory. A pointer to a structure -; describing the request is passed in a/x. -; The function must not return anything. -; - -COPYTO: sta ptr3 - stx ptr3+1 ; Save the passed em_copy pointer - - ldy #EM_COPY::OFFS - lda (ptr3),y - sta ptr2 - ldy #EM_COPY::PAGE - lda (ptr3),y - add #>BASE - sta ptr2+1 ; To - - ldy #EM_COPY::BUF - lda (ptr3),y - sta ptr1 - iny - lda (ptr3),y - sta ptr1+1 ; From - - jmp common - - diff --git a/libsrc/apple2/rhome.s b/libsrc/apple2/rhome.s deleted file mode 100644 index b32f41a41..000000000 --- a/libsrc/apple2/rhome.s +++ /dev/null @@ -1,10 +0,0 @@ -; -; Ullrich von Bassewitz, 2004-06-03 -; -; Rom HOME routine -; - - .export HOME - -HOME := $FC58 ; Clear current text screen -