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Added em_use

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git-svn-id: svn://svn.cc65.org/cc65/trunk@1719 b7a2c559-68d2-44c3-8de9-860c34a00d81
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cuz
2002-12-05 18:57:53 +00:00
parent e4d25caa56
commit f7244c4e19
12 changed files with 100 additions and 13 deletions
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11
libsrc/c64/c64-ram.s
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@@ -29,6 +29,7 @@
.word DEINSTALL
.word PAGECOUNT
.word MAP
.word USE
.word COMMIT
.word COPYFROM
.word COPYTO
@@ -109,6 +110,14 @@ MAP: sta curpage ; Remember the new page
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.
@@ -249,7 +258,7 @@ common: ldy #EM_COPY_COUNT+1
; Done
@L4: rts
@L4: rts
; ------------------------------------------------------------------------
; COPYTO: Copy from linear into extended memory. A pointer to a structure