Optimize some more to fit in memory!

This commit is contained in:
kris 2019-03-10 21:57:05 +00:00
parent 6b969476a0
commit aed439c0b3
2 changed files with 101 additions and 81 deletions

View File

@ -44,9 +44,9 @@ PROJECT_TYPE = ca65
# Set the default CPU to assemble for. You can change this in the
# body of a .s file using control commands like ".PC02". Uncomment
# the one you want below (the first one is the default):
# CPU = 6502
CPU = 6502
# CPU = 65SC02
CPU = 65C02
# CPU = 65C02
# CPU = 65816
# Note: You can assemble for 65816 in 16-bit mode but the C compiler
# will only produce 8-bit code.

View File

@ -104,20 +104,22 @@ text = $c051
fullscr = $c052
tick = $c030
.segment "LOWCODE"
; RESET AND CONFIGURE W5100
JMP RESET
; Put code only needed at startup in the HGR page, we'll toast it when we're
; done starting up
.segment "HGR"
LDA #6 ; 5 RETRIES TO GET CONNECTION
STA PTR ; NUMBER OF RETRIES
BPL RESET ; ALWAYS TAKEN
SRCADDR: .byte $C0,$A8,$01,147 ; 192.168.2.5 W5100 IP
FADDR: .byte $C0,$A8,$01,15 ; 192.168.2.1 FOREIGN IP
FPORT: .byte $4E,$20 ; 20000 FOREIGN PORT
MAC: .byte $00,$08,$DC,$01,$02,$03 ; W5100 MAC ADDRESS
.segment "LOWCODE"
JMP RESET
.segment "CODE"
RESET:
LDA #$80 ; reset
STA WMODE
@ -266,7 +268,11 @@ SETUP:
; default content value
LDA #$7f
PHA
JMP MAINLOOP
.segment "CODE"
MAINLOOP:
JSR hgr
STA fullscr
@ -313,8 +319,6 @@ RECV:
LDA WDATA ; 4
STA GETSIZE ; 4 low byte XXX should be 0
;jsr DEBUG
; reset address pointer to socket buffer
@ -335,7 +339,6 @@ RECV:
STA GETOFFSET ; 4
; CALCULATE PHYSICAL ADDRESS WITHIN W5100 RX BUFFER
CLC ; 2
@ -684,7 +687,7 @@ tickident page, 8
.macro op_tick_34 page ; repeats from op_tick_16
.ident (.concat ("op_tick_34_page_", .string(page))):
; 4+(4+4+5+4+5+4)+3+37
; 4+(4+4+5+4+5+4+4+4)+2+5+5+3+20
BIT tick ; 4
LDA WDATA ; 4
LDY WDATA ; 4
@ -692,22 +695,15 @@ tickident page, 8
LDY WDATA ; 4
STA page << 8,Y ; 5
LDY WDATA ; 4
STA dummy ; 4
LDX WDATA ; 4
BIT tick ; 4
; used >3 pad cycles within tick loop; can't branch to tail
NOP ; 2
STA page << 8,Y ; 5
LDY WDATA ; 4
STA page << 8,Y ; 5
STA page << 8,X ; 5
LDA WDATA ; 4
STA @D+2 ; 4
LDA WDATA ; 4
STA @D+1 ; 4
@D:
JMP op_nop ; 3
LDX #$00 ; 2 restore X=0 invariant
JMP .ident(.concat("_op_tick_page_", .string(page), "_tail_20")) ; 3+20
.endmacro
.macro op_tick_36 page ; repeats from op_tick_18
@ -873,7 +869,7 @@ tickident page, 8
.macro op_tick_52 page ; repeats from op_tick_34
.ident (.concat ("op_tick_52_page_", .string(page))):
;4+(4+4+5+4+5+4+5+4+5+4+4+4)+2+4+4+4+3
;4+(4+4+5+4+5+4+5+4+5+4+4+4)+2+3+12
BIT tick ; 4
LDA WDATA ; 4
LDY WDATA ; 4
@ -886,18 +882,11 @@ tickident page, 8
STA page << 8,Y ; 5
LDA WDATA ; 4
STA dummy ; 4
STA .ident (.concat ("_op_tick_6_page_", .string(page), "_jmp"))+2 ; 4
BIT tick ; 4
NOP ; 2
; used >3 pad cycles within tick loop; can't branch to tail
NOP ;2
STA @D+2 ; 4
LDA WDATA ; 4
STA @D+1 ; 4
@D:
JMP op_nop ; 3
JMP .ident(.concat("_op_tick_page_", .string(page), "_tail_12"))
.endmacro
.macro op_tick_54 page ; repeats from op_tick_36
@ -1140,6 +1129,17 @@ op_tick 33
op_tick 34
op_tick 35
op_tick 36
op_tick_4 63
op_tick_6 63
op_tick_8 63
op_tick_10 63
op_tick_12 63
op_tick_14 63
op_tick_16 63
op_tick_18 63
op_tick_20 63
op_tick_22 63
op_tick_24 63
.segment "CODE"
op_tick 37
@ -1167,9 +1167,29 @@ op_tick 58
op_tick 59
op_tick 60
op_tick 61
;op_tick 62
;op_tick 63
op_tick 62
op_tick_26 63
op_tick_28 63
op_tick_30 63
op_tick_32 63
op_tick_34 63
op_tick_36 63
op_tick_38 63
op_tick_40 63
op_tick_42 63
op_tick_44 63
op_tick_46 63
op_tick_48 63
op_tick_50 63
op_tick_52 63
op_tick_54 63
op_tick_56 63
op_tick_58 63
op_tick_60 63
op_tick_62 63
op_tick_64 63
op_tick_66 63
op_ack:
; MOVE ADDRESS POINTER 1 page further in socket buffer
@ -1232,58 +1252,58 @@ CLOSECONN:
; CHECK FOR CLOSED STATUS
CHECKCLOSED:
LDX #0
@L:
LDA #<S0SR
STA WADRL
LDA WDATA
BEQ ISCLOSED
NOP
NOP
NOP
INX
BNE @L ; DON'T WAIT FOREVER
ISCLOSED:
RTS ; SOCKET IS CLOSED
;CHECKCLOSED:
; LDX #0
;@L:
; LDA #<S0SR
; STA WADRL
; LDA WDATA
; BEQ ISCLOSED
; NOP
; NOP
; NOP
; INX
; BNE @L ; DON'T WAIT FOREVER
;ISCLOSED:
; RTS ; SOCKET IS CLOSED
; SUPPORT SUBROUTINE: CLEANOUT
; "CLEANS UP" OUTPUT FOR THE APPLE BY
; SETTING THE HIGH BIT AND DOING SOME SUBSTITUTIONS
CLEANOUT:
ORA #%10000000 ; SET HIGH BIT
CMP #$8A ; NEWLINE?
BNE @OUT
LDA #$8D ; CONVERT TO <CR>
@OUT:
JMP COUT ; THIS WILL DO THE RTS
;CLEANOUT:
; ORA #%10000000 ; SET HIGH BIT
; CMP #$8A ; NEWLINE?
; BNE @OUT
; LDA #$8D ; CONVERT TO <CR>
;@OUT:
; JMP COUT ; THIS WILL DO THE RTS
; DEBUG - PRINT W5100 STARTADR AND SIZE
DEBUG:
LDA #$A0 ; " "
JSR COUT
LDA #$A4 ; "$"
JSR COUT
LDA GETOFFSET+1
LDX GETOFFSET
JSR PRNTAX
;DEBUG:
; LDA #$A0 ; " "
; JSR COUT
; LDA #$A4 ; "$"
; JSR COUT
; LDA GETOFFSET+1
; LDX GETOFFSET
; JSR PRNTAX
LDA #$A0 ; " "
JSR COUT
LDA #$A4 ; "$"
JSR COUT
LDA GETSTARTADR+1
LDX GETSTARTADR
JSR PRNTAX
; LDA #$A0 ; " "
; JSR COUT
; LDA #$A4 ; "$"
; JSR COUT
; LDA GETSTARTADR+1
; LDX GETSTARTADR
; JSR PRNTAX
LDA #$A0 ; " "
JSR COUT
LDA #$A4 ; "$"
JSR COUT
LDA GETSIZE+1
LDX GETSIZE
JSR PRNTAX
LDA #$8D
JMP COUT ; THIS WILL DO THE RTS
; LDA #$A0 ; " "
; JSR COUT
; LDA #$A4 ; "$"
; JSR COUT
;LDA GETSIZE+1
; LDX GETSIZE
; JSR PRNTAX
; LDA #$8D
; JMP COUT ; THIS WILL DO THE RTS
.endproc