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Place the zero page variables into the ZEROPAGE segment

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git-svn-id: svn://svn.cc65.org/cc65/trunk@322 b7a2c559-68d2-44c3-8de9-860c34a00d81
This commit is contained in:
cuz
2000-09-07 21:49:13 +00:00
parent 5446245eb4
commit e0a619ff90
7 changed files with 148 additions and 103 deletions
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38
libsrc/apple2/crt0.s
View File

@@ -19,21 +19,29 @@
.exportzp tmp1, tmp2, tmp3, tmp4
.exportzp regbank, zpspace
; These zero page entries overlap with the sweet-16 registers.
; must be changed if sweet-16 is to be supported
sp = $00 ; stack pointer
sreg = $02 ; secondary register/high 16 bit for longs
regsave = $04 ; slot to save/restore (E)AX into
ptr1 = $08 ;
ptr2 = $0A
ptr3 = $0C
ptr4 = $0E
tmp1 = $10
tmp2 = $11
tmp3 = $12
tmp4 = $13
regbank = $14 ; 6 byte register bank
zpspace = $1A ; Zero page space allocated
; These zero page entries overlap with the sweet-16 registers in
; the standard apple2 linker config. They must be changed if sweet-16
; is to be supported
.zeropage
zpstart = *
sp: .res 2 ; Stack pointer
sreg: .res 2 ; Secondary register/high 16 bit for longs
regsave: .res 2 ; slot to save/restore (E)AX into
ptr1: .res 2
ptr2: .res 2
ptr3: .res 2
ptr4: .res 2
tmp1: .res 1
tmp2: .res 1
tmp3: .res 1
tmp4: .res 1
regbank: .res 6 ; 6 byte register bank
zpspace = * - zpstart ; Zero page space allocated
.code
; ------------------------------------------------------------------------
; Actual code

35
libsrc/atari/crt0.s
View File

@@ -26,20 +26,27 @@
.exportzp tmp1, tmp2, tmp3, tmp4
.exportzp fntemp, regbank, zpspace
sp = $D2 ; (2bytes) stack pointer
sreg = $D4 ; (2bytes) secondary register/high 16 bit for longs
regsave = $D6 ; (4bytes) slot to save/restore (E)AX into
ptr1 = $DA ; (2bytes)
ptr2 = $DC ; (2bytes)
ptr3 = $DE ; (2bytes)
ptr4 = $E0 ; (2bytes)
tmp1 = $E2 ; (1byte)
tmp2 = $E3 ; (1byte)
tmp3 = $E4 ; (1byte)
tmp4 = $E5 ; (1byte)
fntemp = $E6 ; (2bytes) pointer to file name
regbank = $E8 ; (6bytes) 6 byte register bank
zpspace = $EE - sp ; Zero page space allocated
.zeropage
zpstart = *
sp: .res 2 ; Stack pointer
sreg: .res 2 ; Secondary register/high 16 bit for longs
regsave: .res 2 ; slot to save/restore (E)AX into
ptr1: .res 2
ptr2: .res 2
ptr3: .res 2
ptr4: .res 2
tmp1: .res 1
tmp2: .res 1
tmp3: .res 1
tmp4: .res 1
fntemp: .res 2 ; Pointer to file name
regbank: .res 6 ; 6 byte register bank
zpspace = * - zpstart ; Zero page space allocated
.code
; ------------------------------------------------------------------------
; EXE header

32
libsrc/c128/crt0.s
View File

@@ -19,19 +19,25 @@
.exportzp tmp1, tmp2, tmp3, tmp4
.exportzp regbank, zpspace
sp = $02 ; stack pointer
sreg = $04 ; secondary register/high 16 bit for longs
regsave = $06 ; slot to save/restore (E)AX into
ptr1 = $0A ;
ptr2 = $0C
ptr3 = $0E
ptr4 = $10
tmp1 = $12
tmp2 = $13
tmp3 = $14
tmp4 = $15
regbank = $16 ; 6 byte register bank
zpspace = $1A ; Zero page space allocated
.zeropage
zpstart = *
sp: .res 2 ; Stack pointer
sreg: .res 2 ; Secondary register/high 16 bit for longs
regsave: .res 2 ; slot to save/restore (E)AX into
ptr1: .res 2
ptr2: .res 2
ptr3: .res 2
ptr4: .res 2
tmp1: .res 1
tmp2: .res 1
tmp3: .res 1
tmp4: .res 1
regbank: .res 6 ; 6 byte register bank
zpspace = * - zpstart ; Zero page space allocated
.code
; ------------------------------------------------------------------------
; BASIC header with a SYS call

32
libsrc/c64/crt0.s
View File

@@ -19,19 +19,25 @@
.exportzp tmp1, tmp2, tmp3, tmp4
.exportzp regbank, zpspace
sp = $02 ; stack pointer
sreg = $04 ; secondary register/high 16 bit for longs
regsave = $06 ; slot to save/restore (E)AX into
ptr1 = $0A ;
ptr2 = $0C
ptr3 = $0E
ptr4 = $10
tmp1 = $12
tmp2 = $13
tmp3 = $14
tmp4 = $15
regbank = $16 ; 6 byte register bank
zpspace = $1A ; Zero page space allocated
.zeropage
zpstart = *
sp: .res 2 ; Stack pointer
sreg: .res 2 ; Secondary register/high 16 bit for longs
regsave: .res 2 ; slot to save/restore (E)AX into
ptr1: .res 2
ptr2: .res 2
ptr3: .res 2
ptr4: .res 2
tmp1: .res 1
tmp2: .res 1
tmp3: .res 1
tmp4: .res 1
regbank: .res 6 ; 6 byte register bank
zpspace = * - zpstart ; Zero page space allocated
.code
; ------------------------------------------------------------------------
; BASIC header with a SYS call

32
libsrc/cbm610/crt0.s
View File

@@ -25,19 +25,25 @@
.exportzp crtc, sid, IPCcia, cia, acia, tpi1, tpi2
.exportzp ktab1, ktab2, ktab3, ktab4, time, RecvBuf, SendBuf
sp = $02 ; stack pointer
sreg = $04 ; secondary register/high 16 bit for longs
regsave = $06 ; slot to save/restore (E)AX into
ptr1 = $0A ;
ptr2 = $0C
ptr3 = $0E
ptr4 = $10
tmp1 = $12
tmp2 = $13
tmp3 = $14
tmp4 = $15
regbank = $16 ; 6 byte register bank
zpspace = $1A ; Zero page space allocated
.zeropage
zpstart = *
sp: .res 2 ; Stack pointer
sreg: .res 2 ; Secondary register/high 16 bit for longs
regsave: .res 2 ; slot to save/restore (E)AX into
ptr1: .res 2
ptr2: .res 2
ptr3: .res 2
ptr4: .res 2
tmp1: .res 1
tmp2: .res 1
tmp3: .res 1
tmp4: .res 1
regbank: .res 6 ; 6 byte register bank
zpspace = * - zpstart ; Zero page space allocated
.code
; ------------------------------------------------------------------------
; BASIC header and a small BASIC program. Since it is not possible to start

32
libsrc/pet/crt0.s
View File

@@ -19,19 +19,25 @@
.exportzp tmp1, tmp2, tmp3, tmp4
.exportzp regbank, zpspace
sp = $02 ; stack pointer
sreg = $04 ; secondary register/high 16 bit for longs
regsave = $06 ; slot to save/restore (E)AX into
ptr1 = $0A ;
ptr2 = $0C
ptr3 = $0E
ptr4 = $10
tmp1 = $12
tmp2 = $13
tmp3 = $14
tmp4 = $15
regbank = $16 ; 6 byte register bank
zpspace = $1A ; Zero page space allocated
.zeropage
zpstart = *
sp: .res 2 ; Stack pointer
sreg: .res 2 ; Secondary register/high 16 bit for longs
regsave: .res 2 ; slot to save/restore (E)AX into
ptr1: .res 2
ptr2: .res 2
ptr3: .res 2
ptr4: .res 2
tmp1: .res 1
tmp2: .res 1
tmp3: .res 1
tmp4: .res 1
regbank: .res 6 ; 6 byte register bank
zpspace = * - zpstart ; Zero page space allocated
.code
; ------------------------------------------------------------------------
; BASIC header with a SYS call

32
libsrc/plus4/crt0.s
View File

@@ -19,19 +19,25 @@
.exportzp tmp1, tmp2, tmp3, tmp4
.exportzp regbank, zpspace
sp = $02 ; stack pointer
sreg = $04 ; secondary register/high 16 bit for longs
regsave = $06 ; slot to save/restore (E)AX into
ptr1 = $0A ;
ptr2 = $0C
ptr3 = $0E
ptr4 = $10
tmp1 = $12
tmp2 = $13
tmp3 = $14
tmp4 = $15
regbank = $16 ; 6 byte register bank
zpspace = $1A ; Zero page space allocated
.zeropage
zpstart = *
sp: .res 2 ; Stack pointer
sreg: .res 2 ; Secondary register/high 16 bit for longs
regsave: .res 2 ; slot to save/restore (E)AX into
ptr1: .res 2
ptr2: .res 2
ptr3: .res 2
ptr4: .res 2
tmp1: .res 1
tmp2: .res 1
tmp3: .res 1
tmp4: .res 1
regbank: .res 6 ; 6 byte register bank
zpspace = * - zpstart ; Zero page space allocated
.code
; ------------------------------------------------------------------------
; BASIC header with a SYS call