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move scratch ram to $C000, bank out cart ROMN when running d/led prg - this means can now d/l prgs up to 47K in size.

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git-svn-id: http://svn.code.sf.net/p/netboot65/code@82 93682198-c243-4bdb-bd91-e943c89aac3b
This commit is contained in:
jonnosan 2009-04-05 06:46:55 +00:00
parent 96886b84f6
commit 5ad3240531
3 changed files with 21 additions and 9 deletions
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2
client/cfg/rrbin.cfg
View File

@ -6,7 +6,7 @@ MEMORY {
IP65ZP: start = $5f, size = $10, type = rw, define = yes;
HEADER: start = $8000, size = $16, file = %O;
ROM: start = $8016, size = $1F00, define = yes, file = %O;
RAM: start = $7000, size = $1000, define = yes;
RAM: start = $C000, size = $1000, define = yes;
}

25
client/clients/rrnetboot.s
View File

@ -33,11 +33,19 @@
.import __DATA_SIZE__
tftp_dir_buffer = $6000
.bss
.data
exit_cart:
lda #$02
sta $de00 ;turns off RR cartridge - obviously we need to execut this from RAM else we fall into never-never land :-)
jmp_to_downloaded_prg:
jmp $0000 ;overwritten when we load a file
.bss
nb65_param_buffer: .res $10
bin_file_jmp: .res 3
@ -94,7 +102,8 @@ init:
jmp @get_key
@exit_to_basic:
jmp $fe66 ;do a wam start
ldax #$fe66 ;do a wam start
jmp exit_to_cart_via_ax
@tftp_boot:
@ -209,14 +218,14 @@ init:
stx $2d ;save end-of-BASIC pointer (lo byte)
sty $2e ;save end-of-BASIC pointer (hi byte)
jsr $a659 ; CLR (reset variables)
jmp $a7ae ; jump to BASIC interpreter loop
ldax #$a7ae ; jump to BASIC interpreter loop
jmp exit_to_cart_via_ax
@not_a_basic_file:
lda #$4C ;opcode for JMP
sta bin_file_jmp
ldax nb65_param_buffer+NB65_TFTP_POINTER
stax bin_file_jmp+1
jmp bin_file_jmp
exit_to_cart_via_ax:
stax jmp_to_downloaded_prg+1
jmp exit_cart
print_errorcode:
ldax #error_code

3
client/test/test_cart_api.s
View File

@ -28,6 +28,9 @@ basicstub:
init:
lda #$01
sta $de00 ;turns on RR cartridge (since it will have been banked out when exiting to BASIC)
jsr print_cr
jsr print_ip_config