repo_id string | size int64 | file_path string | content string |
|---|---|---|---|
xboot/libxnes | 1,593 | documents/test-roms/cpu_flag_concurrency/source/common/build_rom.s | ; Builds program as iNES ROM
; Default is 16K PRG and 8K CHR ROM, NROM (0)
.if 0 ; Options to set before .include "shell.inc":
CHR_RAM=1 ; Use CHR-RAM instead of CHR-ROM
CART_WRAM=1 ; Use mapper that supports 8K WRAM in cart
CUSTOM_MAPPER=n ; Specify mapper number
.endif
.ifndef CUSTOM_MAPPER
.ifdef CART_... |
xboot/libxnes | 4,298 | documents/test-roms/cpu_flag_concurrency/source/common/console.s | ; Scrolling text console with line wrapping, 30x29 characters.
; Buffers lines for speed. Will work even if PPU doesn't
; support scrolling (until text reaches bottom). Keeps border
; along bottom in case TV cuts it off.
;
; Defers most initialization until first newline, at which
; point it clears nametable and makes ... |
xboot/libxnes | 1,096 | documents/test-roms/cpu_flag_concurrency/source/common/text_out.s | ; Text output as expanding zero-terminated string at text_out_base
; The final exit result byte is written here
final_result = $6000
; Text output is written here as an expanding
; zero-terminated string
text_out_base = $6004
bss_res text_out_temp
zp_res text_out_addr,2
init_text_out:
ldx #0
; Put valid data fi... |
xboot/libxnes | 2,024 | documents/test-roms/cpu_flag_concurrency/source/common/ppu.s | ; PPU utilities
bss_res ppu_not_present
; Sets PPUADDR to w
; Preserved: X, Y
.macro set_ppuaddr w
bit PPUSTATUS
setb PPUADDR,>w
setb PPUADDR,<w
.endmacro
; Delays by no more than n scanlines
.macro delay_scanlines n
.if CLOCK_RATE <> 1789773
.error "Currently only supports NTSC"
.endif
delay ((n)*341)/3
.e... |
xboot/libxnes | 4,660 | documents/test-roms/cpu_flag_concurrency/source/common/shell.s | ; Common routines and runtime
; Detect inclusion loops (otherwise ca65 goes crazy)
.ifdef SHELL_INCLUDED
.error "shell.s included twice"
.end
.endif
SHELL_INCLUDED = 1
;**** Special globals ****
; Temporary variables that ANY routine might modify, so
; only use them between routine calls.
temp = <$A
temp2 = <$B... |
xboot/libxnes | 5,124 | documents/test-roms/cpu_flag_concurrency/source/common/delay.s | ; Delays in CPU clocks, milliseconds, etc. All routines are re-entrant
; (no global data). No routines touch X or Y during execution.
; Code generated by macros is relocatable; it contains no JMPs to itself.
zp_byte delay_temp_ ; only written to
; Delays n clocks, from 2 to 16777215
; Preserved: A, X, Y, flags
.macro... |
xboot/libxnes | 1,638 | documents/test-roms/cpu_flag_concurrency/source/common/crc.s | ; CRC-32 checksum calculation
zp_res checksum,4
zp_byte checksum_temp
zp_byte checksum_off_
; Turns CRC updating on/off. Allows nesting.
; Preserved: A, X, Y
crc_off:
dec checksum_off_
rts
crc_on: inc checksum_off_
beq :+
jpl internal_error ; catch unbalanced crc calls
: rts
; Initializes checksum modul... |
xboot/libxnes | 7,782 | documents/test-roms/instr_timing/source/1-instr_timing.s | ; Tests instruction timing for all except the 8 branches and 12 halts
;
; Times each instruction by putting it in a loop that counts iterations
; and waits for APU length counter to expire.
CUSTOM_IRQ=1
.include "shell.inc"
zp_byte nothing_failed
zp_byte test_index
zp_byte type_mask
zp_byte saved_sp
stack_copy = $600... |
xboot/libxnes | 2,427 | documents/test-roms/instr_timing/source/2-branch_timing.s | ; Verifies timing of branch instructions
;
; Runs branch instruction in loop that counts iterations
; until APU length counter expires. Moves the loop around
; in memory to trigger page cross/no cross cases.
.include "shell.inc"
zp_byte opcode
zp_byte flags
zp_byte time_ptr
bss_res times,8
main:
set_test 0
for_loo... |
xboot/libxnes | 1,856 | documents/test-roms/instr_timing/source/common/testing.s | ; Utilities for writing test ROMs
; In NVRAM so these can be used before initializing runtime,
; then runtime initialized without clearing them
nv_res test_code ; code of current test
nv_res test_name,2 ; address of name of current test, or 0 of none
; Sets current test code and optional name. Also resets
; checksum... |
xboot/libxnes | 2,660 | documents/test-roms/instr_timing/source/common/print.s | ; Prints values in various ways to output,
; including numbers and strings.
newline = 10
zp_byte print_temp_
; Prints indicated register to console as two hex
; chars and space
; Preserved: A, X, Y, flags
print_a:
php
pha
print_reg_:
jsr print_hex
lda #' '
jsr print_char_
pla
plp
rts
print_x:
php
pha
txa... |
xboot/libxnes | 1,506 | documents/test-roms/instr_timing/source/common/build_rom.s | ; Builds program as iNES ROM
; Default is 32K PRG and 8K CHR ROM, NROM (0)
.if 0 ; Options to set before .include "shell.inc":
CHR_RAM=1 ; Use CHR-RAM instead of CHR-ROM
CART_WRAM=1 ; Use mapper that supports 8K WRAM in cart
CUSTOM_MAPPER=n ; Specify mapper number
.endif
.ifndef CUSTOM_MAPPER
.ifdef CART_... |
xboot/libxnes | 5,523 | documents/test-roms/instr_timing/source/common/console.s | ; Scrolling text console with line wrapping, 30x29 characters.
; Buffers lines for speed. Will work even if PPU doesn't
; support scrolling (until text reaches bottom). Keeps border
; along bottom in case TV cuts it off.
;
; Defers most initialization until first newline, at which
; point it clears nametable and makes ... |
xboot/libxnes | 1,096 | documents/test-roms/instr_timing/source/common/text_out.s | ; Text output as expanding zero-terminated string at text_out_base
; The final exit result byte is written here
final_result = $6000
; Text output is written here as an expanding
; zero-terminated string
text_out_base = $6004
bss_res text_out_temp
zp_res text_out_addr,2
init_text_out:
ldx #0
; Put valid data fi... |
xboot/libxnes | 2,024 | documents/test-roms/instr_timing/source/common/ppu.s | ; PPU utilities
bss_res ppu_not_present
; Sets PPUADDR to w
; Preserved: X, Y
.macro set_ppuaddr w
bit PPUSTATUS
setb PPUADDR,>w
setb PPUADDR,<w
.endmacro
; Delays by no more than n scanlines
.macro delay_scanlines n
.if CLOCK_RATE <> 1789773
.error "Currently only supports NTSC"
.endif
delay ((n)*341)/3
.e... |
xboot/libxnes | 5,433 | documents/test-roms/instr_timing/source/common/shell.s | ; Common routines and runtime
; Detect inclusion loops (otherwise ca65 goes crazy)
.ifdef SHELL_INCLUDED
.error "shell.s included twice"
.end
.endif
SHELL_INCLUDED = 1
; Temporary variables that ANY routine might modify, so
; only use them between routine calls.
temp = <$A
temp2 = <$B
temp3 = <$C
addr = <$E
p... |
xboot/libxnes | 3,437 | documents/test-roms/instr_timing/source/common/delay.s | ; Delays in CPU clocks, milliseconds, etc. All routines are re-entrant
; (no global data). No routines touch X or Y during execution.
; Code generated by macros is relocatable; it contains no JMPs to itself.
zp_byte delay_temp_ ; only written to
; Delays n clocks, from 2 to 16777215
; Preserved: A, X, Y, flags
.macro... |
xboot/libxnes | 1,632 | documents/test-roms/instr_timing/source/common/crc.s | ; CRC-32 checksum calculation
zp_res checksum,4
zp_byte checksum_temp
zp_byte checksum_off_
; Turns CRC updating on/off. Allows nesting.
; Preserved: A, X, Y
crc_off:
dec checksum_off_
rts
crc_on: inc checksum_off_
beq :+
jpl internal_error ; catch unbalanced crc calls
: rts
; Initializes checksum modul... |
xboot/libxnes | 4,299 | documents/test-roms/cpu_exec_space/source/test_cpu_exec_space_apu.s | ; Expected output, and explanation:
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
; TEST: test_cpu_exec_space_apu
; This program verifies that the
; CPU can execute code from any
; possible location that it can
; address, including I/O space.
;
; In this test, it is also
; verified that not only all
; write-only APU I/O po... |
xboot/libxnes | 15,569 | documents/test-roms/cpu_exec_space/source/test_cpu_exec_space_ppuio.s | ; Expected output, and explanation:
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
; TEST: test_cpu_exec_space
; This program verifies that the
; CPU can execute code from any
; possible location that it can
; address, including I/O space.
;
; In addition, it will be tested
; that an RTS instruction does a
; dummy read of ... |
xboot/libxnes | 1,856 | documents/test-roms/cpu_exec_space/source/common/testing.s | ; Utilities for writing test ROMs
; In NVRAM so these can be used before initializing runtime,
; then runtime initialized without clearing them
nv_res test_code ; code of current test
nv_res test_name,2 ; address of name of current test, or 0 of none
; Sets current test code and optional name. Also resets
; checksum... |
xboot/libxnes | 5,516 | documents/test-roms/cpu_exec_space/source/common/print.s | ; Prints values in various ways to output,
; including numbers and strings.
newline = 10
zp_byte print_temp_
; Prints indicated register to console as two hex
; chars and space
; Preserved: A, X, Y, flags
print_a:
php
pha
print_reg_:
jsr print_hex
lda #' '
jsr print_char_
pla
plp
rts
print_x:
php
pha
txa... |
xboot/libxnes | 1,593 | documents/test-roms/cpu_exec_space/source/common/build_rom.s | ; Builds program as iNES ROM
; Default is 16K PRG and 8K CHR ROM, NROM (0)
.if 0 ; Options to set before .include "shell.inc":
CHR_RAM=1 ; Use CHR-RAM instead of CHR-ROM
CART_WRAM=1 ; Use mapper that supports 8K WRAM in cart
CUSTOM_MAPPER=n ; Specify mapper number
.endif
.ifndef CUSTOM_MAPPER
.ifdef CART_... |
xboot/libxnes | 4,298 | documents/test-roms/cpu_exec_space/source/common/console.s | ; Scrolling text console with line wrapping, 30x29 characters.
; Buffers lines for speed. Will work even if PPU doesn't
; support scrolling (until text reaches bottom). Keeps border
; along bottom in case TV cuts it off.
;
; Defers most initialization until first newline, at which
; point it clears nametable and makes ... |
xboot/libxnes | 1,096 | documents/test-roms/cpu_exec_space/source/common/text_out.s | ; Text output as expanding zero-terminated string at text_out_base
; The final exit result byte is written here
final_result = $6000
; Text output is written here as an expanding
; zero-terminated string
text_out_base = $6004
bss_res text_out_temp
zp_res text_out_addr,2
init_text_out:
ldx #0
; Put valid data fi... |
xboot/libxnes | 2,024 | documents/test-roms/cpu_exec_space/source/common/ppu.s | ; PPU utilities
bss_res ppu_not_present
; Sets PPUADDR to w
; Preserved: X, Y
.macro set_ppuaddr w
bit PPUSTATUS
setb PPUADDR,>w
setb PPUADDR,<w
.endmacro
; Delays by no more than n scanlines
.macro delay_scanlines n
.if CLOCK_RATE <> 1789773
.error "Currently only supports NTSC"
.endif
delay ((n)*341)/3
.e... |
xboot/libxnes | 4,660 | documents/test-roms/cpu_exec_space/source/common/shell.s | ; Common routines and runtime
; Detect inclusion loops (otherwise ca65 goes crazy)
.ifdef SHELL_INCLUDED
.error "shell.s included twice"
.end
.endif
SHELL_INCLUDED = 1
;**** Special globals ****
; Temporary variables that ANY routine might modify, so
; only use them between routine calls.
temp = <$A
temp2 = <$B... |
xboot/libxnes | 3,445 | documents/test-roms/cpu_exec_space/source/common/delay.s | ; Delays in CPU clocks, milliseconds, etc. All routines are re-entrant
; (no global data). No routines touch X or Y during execution.
; Code generated by macros is relocatable; it contains no JMPs to itself.
zp_byte delay_temp_ ; only written to
; Delays n clocks, from 2 to 16777215
; Preserved: A, X, Y, flags
.macro... |
xboot/libxnes | 1,632 | documents/test-roms/cpu_exec_space/source/common/crc.s | ; CRC-32 checksum calculation
zp_res checksum,4
zp_byte checksum_temp
zp_byte checksum_off_
; Turns CRC updating on/off. Allows nesting.
; Preserved: A, X, Y
crc_off:
dec checksum_off_
rts
crc_on: inc checksum_off_
beq :+
jpl internal_error ; catch unbalanced crc calls
: rts
; Initializes checksum modul... |
xboot/libxnes | 1,881 | documents/test-roms/cpu_interrupts_v2/source/3-nmi_and_irq.s | ; NMI behavior when it interrupts IRQ vectoring.
;
; Result when run:
; NMI IRQ
; 23 00 NMI occurs before LDA #1
; 21 00 NMI occurs after LDA #1 (Z flag clear)
; 21 00
; 20 00 NMI occurs after CLC, interrupting IRQ
; 20 00
; 20 00
; 20 00
; 20 00
; 20 00
; 20 00 Same result for 7 clocks before IRQ is vectored... |
xboot/libxnes | 1,373 | documents/test-roms/cpu_interrupts_v2/source/4-irq_and_dma.s | ; Has IRQ occur at various times around sprite DMA.
; First column refers to what instruction IRQ occurred
; after. Second column is time of IRQ, in CPU clocks relative
; to some arbitrary starting point.
;
; 0 +0
; 1 +1
; 1 +2
; 2 +3
; 2 +4
; 4 +5
; 4 +6
; 7 +7
; 7 +8
; 7 +9
; 7 +10
; 8 +11
; 8 +12
; 8 +13
; ...
; 8 +... |
xboot/libxnes | 1,790 | documents/test-roms/cpu_interrupts_v2/source/2-nmi_and_brk.s | ; NMI behavior when it interrupts BRK. Occasionally fails on
; NES due to PPU-CPU synchronization.
;
; Result when run:
; NMI BRK --
; 27 36 00 NMI before CLC
; 26 36 00 NMI after CLC
; 26 36 00
; 36 00 00 NMI interrupting BRK, with B bit set on stack
; 36 00 00
; 36 00 00
; 36 00 00
; 36 00 00
; 2... |
xboot/libxnes | 2,787 | documents/test-roms/cpu_interrupts_v2/source/5-branch_delays_irq.s | ; A taken non-page-crossing branch ignores IRQ during
; its last clock, so that next instruction executes
; before the IRQ. Other instructions would execute the
; NMI before the next instruction.
;
; The same occurs for NMI, though that's not tested here.
;
; test_jmp
; T+ CK PC
; 00 02 04 NOP
; 01 01 04
; 02 03 07 JM... |
xboot/libxnes | 3,807 | documents/test-roms/cpu_interrupts_v2/source/1-cli_latency.s | ; Tests the delay in CLI taking effect, and some basic aspects of IRQ
; handling and the APU frame IRQ (needed by the tests). It uses the APU's
; frame IRQ and first verifies that it works well enough for the tests.
;
; The later tests execute CLI followed by SEI and equivalent pairs of
; instructions (CLI, PLP, where... |
xboot/libxnes | 1,227 | documents/test-roms/cpu_interrupts_v2/source/4-nmi_and_dma.s | ; Has IRQ occur at various times around sprite DMA.
; First column refers to what instruction IRQ occurred
; after. Second column is time of IRQ, in CPU clocks relative
; to some arbitrary starting point.
CUSTOM_IRQ=1
.include "shell.inc"
.include "sync_apu.s"
irq: bit SNDCHN
rti
begin:
jsr sync_apu
... |
xboot/libxnes | 1,852 | documents/test-roms/cpu_interrupts_v2/source/common/testing.s | ; Utilities for writing test ROMs
; In NVRAM so these can be used before initializing runtime,
; then runtime initialized without clearing them
nv_res test_code ; code of current test
nv_res test_name,2 ; address of name of current test, or 0 of none
; Sets current test code and optional name. Also resets
; checksum... |
xboot/libxnes | 3,229 | documents/test-roms/cpu_interrupts_v2/source/common/print.s | ; Prints values in various ways to output,
; including numbers and strings.
newline = 10
zp_byte print_temp_
; Prints indicated register to console as two hex
; chars and space
; Preserved: A, X, Y, flags
print_a:
php
pha
print_reg_:
jsr print_hex
lda #' '
jsr print_char_
pla
plp
rts
print_x:
php
pha
txa... |
xboot/libxnes | 3,104 | documents/test-roms/cpu_interrupts_v2/source/common/shell_misc.s | ; Reports internal error and exits program
internal_error:
init_cpu_regs
print_str newline,"Internal error"
lda #255
jmp exit
.import __NVRAM_LOAD__, __NVRAM_SIZE__
.macro fill_ram_ Begin, End
; Simpler to count from negative size up to 0,
; and adjust address downward to compensate
; for initial low byte in Y... |
xboot/libxnes | 1,483 | documents/test-roms/cpu_interrupts_v2/source/common/build_rom.s | ; Builds program as iNES ROM
; Default is 32K PRG and 8K CHR ROM, NROM (0)
.if 0 ; Options to set before .include "shell.inc":
CHR_RAM=1 ; Use CHR-RAM instead of CHR-ROM
CART_WRAM=1 ; Use mapper that supports 8K WRAM in cart
CUSTOM_MAPPER=n ; Specify mapper number
.endif
.ifndef CUSTOM_MAPPER
.ifdef CART_... |
xboot/libxnes | 5,404 | documents/test-roms/cpu_interrupts_v2/source/common/console.s | ; Scrolling text console with word wrapping, 30x29 characters.
;
; * Defers PPU initialization until first flush/ newline.
; * Works even if PPU doesn't support scrolling.
; * Keeps border around edge of screen for TV overscan.
; * Requires vertical or single-screen mirroring.
; * Requires ASCII font in CHR.
.ifndef C... |
xboot/libxnes | 1,096 | documents/test-roms/cpu_interrupts_v2/source/common/text_out.s | ; Text output as expanding zero-terminated string at text_out_base
; The final exit result byte is written here
final_result = $6000
; Text output is written here as an expanding
; zero-terminated string
text_out_base = $6004
bss_res text_out_temp
zp_res text_out_addr,2
init_text_out:
ldx #0
; Put valid data fi... |
xboot/libxnes | 3,060 | documents/test-roms/cpu_interrupts_v2/source/common/ppu.s | ; PPU utilities
bss_res ppu_not_present
; Sets PPUADDR to w
; Preserved: X, Y
.macro set_ppuaddr w
bit PPUSTATUS
setb PPUADDR,>w
setb PPUADDR,<w
.endmacro
; Delays by no more than n scanlines
.macro delay_scanlines n
.if CLOCK_RATE <> 1789773
.error "Currently only supports NTSC"
.endif
delay ((n)*341)/3
.e... |
xboot/libxnes | 2,729 | documents/test-roms/cpu_interrupts_v2/source/common/shell.s | ; Shell that sets up testing framework and calls main
; Detect inclusion loops (otherwise ca65 goes crazy)
.ifdef SHELL_INCLUDED
.error "shell.s included twice"
.end
.endif
SHELL_INCLUDED = 1
; Temporary variables that ANY routine might modify, so
; only use them between routine calls.
temp = <$A
temp2 = <$B
tem... |
xboot/libxnes | 3,713 | documents/test-roms/cpu_interrupts_v2/source/common/sync_vbl.s | ; Synchronizes EXACTLY to VBL, to accuracy of 1/3 CPU clock
; (1/2 CPU clock if PPU is enabled). Reading PPUSTATUS
; 29768 clocks or later after return will have bit 7 set.
; Reading PPUSTATUS immediately will have bit 7 clear.
; Preserved: A, X, Y
; Time: 120-330 msec
.align 128
sync_vbl:
pha
; Disable interrupts
... |
xboot/libxnes | 3,437 | documents/test-roms/cpu_interrupts_v2/source/common/delay.s | ; Delays in CPU clocks, milliseconds, etc. All routines are re-entrant
; (no global data). No routines touch X or Y during execution.
; Code generated by macros is relocatable; it contains no JMPs to itself.
zp_byte delay_temp_ ; only written to
; Delays n clocks, from 2 to 16777215
; Preserved: A, X, Y, flags
.macro... |
xboot/libxnes | 1,632 | documents/test-roms/cpu_interrupts_v2/source/common/crc.s | ; CRC-32 checksum calculation
zp_res checksum,4
zp_byte checksum_temp
zp_byte checksum_off_
; Turns CRC updating on/off. Allows nesting.
; Preserved: A, X, Y
crc_off:
dec checksum_off_
rts
crc_on: inc checksum_off_
beq :+
jpl internal_error ; catch unbalanced crc calls
: rts
; Initializes checksum modul... |
xboot/libxnes | 9,413 | documents/test-roms/spritecans-2011/src/sprite.s | ;
; sprite.asm
; 64 Sprite Cans intro for NES
; Copyright 2000-2011 Damian Yerrick
;;; Copyright (C) 2000-2011 Damian Yerrick
;
; This program is free software; you can redistribute it and/or
; modify it under the terms of the GNU General Public License
; as published by the Free Software Foundation; either vers... |
xboot/libxnes | 2,026 | documents/test-roms/spritecans-2011/src/paldetect.s | ;
; NES TV system detection code
; Copyright 2011 Damian Yerrick
;
; Copying and distribution of this file, with or without
; modification, are permitted in any medium without royalty
; provided the copyright notice and this notice are preserved.
; This file is offered as-is, without any warranty.
;
.export getTVSystem... |
xboot/libxnes | 6,765 | documents/test-roms/spritecans-2011/src/music.s | ; music.s
; part of sound engine for LJ65
;;; Copyright (C) 2009-2011 Damian Yerrick
;
; This program is free software; you can redistribute it and/or
; modify it under the terms of the GNU General Public License
; as published by the Free Software Foundation; either version 3
; of the License, or (at your opt... |
xboot/libxnes | 7,092 | documents/test-roms/spritecans-2011/src/sound.s | ; sound.s
; part of sound engine for LJ65
;;; Copyright (C) 2009-2011 Damian Yerrick
;
; This program is free software; you can redistribute it and/or
; modify it under the terms of the GNU General Public License
; as published by the Free Software Foundation; either version 3
; of the License, or (at your opt... |
xboot/libxnes | 6,300 | documents/test-roms/spritecans-2011/src/musicseq.s | ;
; Music sequence data for Sprite Cans Demo
; Copyright 2010 Damian Yerrick
; Copyright 1984 Ray Lynch
;
; To the extent permitted by law, copying and distribution of this
; file, with or without modification, are permitted in any medium
; without royalty provided the copyright notice and this notice are
; preserved i... |
xboot/libxnes | 1,282 | documents/test-roms/instr_test-v3/source/01-implied.s | .include "instr_test.inc"
instrs:
entry $2A,"ROL A" ; A = op A
entry $0A,"ASL A"
entry $6A,"ROR A"
entry $4A,"LSR A"
entry $8A,"TXA" ; AXY = AXY
entry $98,"TYA"
entry $AA,"TAX"
entry $A8,"TAY"
entry $E8,"INX" ; XY = op XY
entry $C8,"INY"
entry $CA,"DEX"
entry $88,"DEY"
entry $38,"SEC" ; flags = op fl... |
xboot/libxnes | 2,384 | documents/test-roms/instr_test-v3/source/06-abs_xy.s | .include "instr_test.inc"
instrs:
entry $BD,"LDA a,X" ; AXY = a,XY
entry $B9,"LDA a,Y"
entry $BC,"LDY a,X"
entry $BE,"LDX a,Y"
entry $9D,"STA a,X" ; a,XY = A
entry $99,"STA a,Y"
entry $FE,"INC a,X" ; a,XY = op a,XY
entry $DE,"DEC a,X"
entry $1E,"ASL a,X"
entry $5E,"LSR a,X"
entry $3E,"ROL a,X"
entry $7... |
xboot/libxnes | 1,538 | documents/test-roms/instr_test-v3/source/07-ind_x.s | .include "instr_test.inc"
instrs:
entry $A1,"LDA (z,X)" ; A = (z,X)
entry $81,"STA (z,X)" ; (z,X) = A
entry $C1,"CMP (z,X)" ; A op (z,X)
entry $61,"ADC (z,X)" ; A = A op (z,X)
entry $E1,"SBC (z,X)"
entry $01,"ORA (z,X)"
entry $21,"AND (z,X)"
entry $41,"EOR (z,X)"
.ifndef OFFICIAL_ONLY
entry $03,"SLO (z,... |
xboot/libxnes | 1,497 | documents/test-roms/instr_test-v3/source/05-absolute.s | .include "instr_test.inc"
instrs:
entry $AD,"LDA a" ; AXY = a
entry $AE,"LDX a"
entry $AC,"LDY a"
entry $8D,"STA a" ; a = AXY
entry $8E,"STX a"
entry $8C,"STY a"
entry $EE,"INC a" ; a = op a
entry $CE,"DEC a"
entry $0E,"ASL a"
entry $4E,"LSR a"
entry $2E,"ROL a"
entry $6E,"ROR a"
entry $6D,"ADC a" ;... |
xboot/libxnes | 1,552 | documents/test-roms/instr_test-v3/source/03-zero_page.s | .include "instr_test.inc"
instrs:
entry $A5,"LDA z" ; AXY = z
entry $A6,"LDX z"
entry $A4,"LDY z"
entry $85,"STA z" ; z = AXY
entry $86,"STX z"
entry $84,"STY z"
entry $E6,"INC z" ; z = op z
entry $C6,"DEC z"
entry $06,"ASL z"
entry $46,"LSR z"
entry $26,"ROL z"
entry $66,"ROR z"
entry $65,"ADC z" ;... |
xboot/libxnes | 1,313 | documents/test-roms/instr_test-v3/source/08-ind_y.s | .include "instr_test.inc"
instrs:
entry $B1,"LDA (z),Y" ; A = (z),Y
entry $91,"STA (z),Y" ; (z),Y = A
entry $D1,"CMP (z),Y" ; A op (z),Y
entry $11,"ORA (z),Y" ; A = A op (z),Y
entry $F1,"SBC (z),Y"
entry $71,"ADC (z),Y"
entry $31,"AND (z),Y"
entry $51,"EOR (z),Y"
.ifndef OFFICIAL_ONLY
entry $13,"SLO (z)... |
xboot/libxnes | 1,128 | documents/test-roms/instr_test-v3/source/15-special.s | CUSTOM_IRQ=1
.include "shell.inc"
irq: pla
pha
rti
jmp_6ff:
.byte $6C ; JMP ($6FF) (to avoid warning)
.word $6FF
main:
setb SNDMODE,$40 ; disable frame IRQ
set_test 3,"JMP ($6FF) should get high byte from $600"
setb $6FF,$F0
setb $600,$07
setb $700,$06
setb $7F0,$E8 ; INX
setb $7F1,$60 ; RTS
setb $6... |
xboot/libxnes | 1,228 | documents/test-roms/instr_test-v3/source/02-immediate.s | .include "instr_test.inc"
instrs:
entry $A9,"LDA #n" ; AXY = #n
entry $A2,"LDX #n"
entry $A0,"LDY #n"
entry $69,"ADC #n" ; A = A op #n
entry $E9,"SBC #n"
entry $09,"ORA #n"
entry $29,"AND #n"
entry $49,"EOR #n"
entry $C9,"CMP #n" ; AXY op #n
entry $E0,"CPX #n"
entry $C0,"CPY #n"
.ifndef OFFICIAL_ONLY
e... |
xboot/libxnes | 1,350 | documents/test-roms/instr_test-v3/source/10-stack.s | .include "instr_test.inc"
instrs:
entry $48,"PHA"
entry $08,"PHP"
entry $68,"PLA"
entry $28,"PLP"
entry $9A,"TXS"
entry $BA,"TSX"
instrs_size = * - instrs
instr_template:
pha
jmp instr_done
instr_template_size = * - instr_template
values2:
.byte 0,$FF,$01,$02,$04,$08,$10,$20,$40,$80
values2_size = * - v... |
xboot/libxnes | 1,873 | documents/test-roms/instr_test-v3/source/04-zp_xy.s | .include "instr_test.inc"
instrs:
entry $B5,"LDA z,X" ; AXY = z,XY
entry $B4,"LDY z,X"
entry $B6,"LDX z,Y"
entry $95,"STA z,X" ; z,XY = AXY
entry $94,"STY z,X"
entry $96,"STX z,Y"
entry $F6,"INC z,X" ; z,XY = op z,XY
entry $D6,"DEC z,X"
entry $16,"ASL z,X"
entry $56,"LSR z,X"
entry $36,"ROL z,X"
entry ... |
xboot/libxnes | 1,875 | documents/test-roms/instr_test-v3/source/common/testing.s | ; Utilities for writing test ROMs
; In NVRAM so these can be used before initializing runtime,
; then runtime initialized without clearing them
nv_res test_code ; code of current test
nv_res test_name,2 ; address of name of current test, or 0 of none
; Sets current test code and optional name. Also resets
; checksum... |
xboot/libxnes | 3,234 | documents/test-roms/instr_test-v3/source/common/print.s | ; Prints values in various ways to output,
; including numbers and strings.
newline = 10
zp_byte print_temp_
; Prints indicated register to console as two hex
; chars and space
; Preserved: A, X, Y, flags
print_a:
php
pha
print_reg_:
jsr print_hex
lda #' '
jsr print_char_
pla
plp
rts
print_x:
php
pha
txa... |
xboot/libxnes | 5,224 | documents/test-roms/instr_test-v3/source/common/crc_fast.s | ; Fast table-based CRC-32
; Initializes fast CRC tables and resets checksum.
; Preserved: Y
init_crc_fast = reset_crc
; Updates checksum with byte from A
; Preserved: X, Y
; Time: 54 clocks
update_crc_fast:
stx checksum_temp
; Updates checksum with byte from A
; Preserved: Y
; Time: 42 clocks
.macro update_crc_fast... |
xboot/libxnes | 3,456 | documents/test-roms/instr_test-v3/source/common/shell_misc.s | ; Reports internal error and exits program
internal_error:
assert_failed:
pla
tay
pla
init_cpu_regs
print_str newline,"internal error, PC="
jsr print_hex
jsr print_y
lda #255
jmp exit
.import __NVRAM_LOAD__, __NVRAM_SIZE__
.macro fill_ram_ Begin, End
; Simpler to count from negative size up to 0,
; and adj... |
xboot/libxnes | 2,088 | documents/test-roms/instr_test-v3/source/common/build_rom.s | ; Builds program as iNES ROM
; Default is 32K PRG and 8K CHR ROM, NROM (0)
; CHR_RAM selects UNROM (2)
; CART_WRAM selects MMC1 (1)
.if 0 ; Options to set before .include "shell.inc":
CHR_RAM = 1 ; Use CHR-RAM instead of CHR-ROM
CART_WRAM = 1 ; Use mapper that supports 8K WRAM in cart
MAPPER = n ; Specify ... |
xboot/libxnes | 5,438 | documents/test-roms/instr_test-v3/source/common/console.s | ; Scrolling text console with word wrapping, 30x29 characters.
;
; * Defers PPU initialization until first flush/ newline.
; * Works even if PPU doesn't support scrolling.
; * Keeps border around edge of screen for TV overscan.
; * Requires vertical or single-screen mirroring.
; * Requires ASCII font in CHR.
.ifndef C... |
xboot/libxnes | 1,096 | documents/test-roms/instr_test-v3/source/common/text_out.s | ; Text output as expanding zero-terminated string at text_out_base
; The final exit result byte is written here
final_result = $6000
; Text output is written here as an expanding
; zero-terminated string
text_out_base = $6004
bss_res text_out_temp
zp_res text_out_addr,2
init_text_out:
ldx #0
; Put valid data fi... |
xboot/libxnes | 3,100 | documents/test-roms/instr_test-v3/source/common/ppu.s | ; PPU utilities
bss_res ppu_not_present
; Sets PPUADDR to w
; Preserved: X, Y
.macro set_ppuaddr w
bit PPUSTATUS
setb PPUADDR,>w
setb PPUADDR,<w
.endmacro
; Delays by no more than n scanlines
.macro delay_scanlines n
.if CLOCK_RATE <> 1789773
.error "Currently only supports NTSC"
.endif
delay ((n)*341)/3
.e... |
xboot/libxnes | 2,752 | documents/test-roms/instr_test-v3/source/common/shell.s | ; Shell that sets up testing framework and calls main
; Detect inclusion loops (otherwise ca65 goes crazy)
.ifdef SHELL_INCLUDED
.error "shell.s included twice"
.end
.endif
SHELL_INCLUDED = 1
; Temporary variables that ANY routine might modify, so
; only use them between routine calls.
temp = <$A
temp2 = <$B
tem... |
xboot/libxnes | 3,734 | documents/test-roms/instr_test-v3/source/common/delay.s | ; Delays in CPU clocks, milliseconds, etc. All routines are re-entrant
; (no global data). No routines touch X or Y during execution.
; Code generated by macros is relocatable; it contains no JMPs to itself.
zp_res delay_temp_ ; only written to
; Delays n clocks, from 2 to 16777215
; Preserved: A, X, Y, flags
.macro ... |
xboot/libxnes | 2,410 | documents/test-roms/instr_test-v3/source/common/instr_test_end.s | ; Offset of current instruction
zp_byte instrs_idx
zp_byte failed_count
main:
; Stack slightly lower than top
ldx #$A2
txs
jsr init_crc_fast
; Test each instruction
lda #0
@loop: sta instrs_idx
tay
jsr reset_crc
lda instrs,y
jsr test_instr
jsr check_result
lda instrs_idx
clc
adc #4
cmp #instrs... |
xboot/libxnes | 1,600 | documents/test-roms/instr_test-v3/source/common/crc.s | ; CRC-32 checksum calculation
zp_res checksum,4 ; Current CRC-32; no need to invert
zp_byte checksum_temp
zp_byte checksum_off_
; Turns CRC updating on/off. Allows nesting.
; Preserved: A, X, Y
crc_off:
dec checksum_off_
rts
crc_on: inc checksum_off_
beq :+
jpl internal_error ; catch unbalanced crc calls
:... |
xboot/libxnes | 2,037 | documents/test-roms/instr_misc/source/03-dummy_reads.s | ; Tests some instructions that do dummy reads before the real read/write.
; Doesn't test all instructions.
;
; Tests LDA and STA with modes (ZP,X), (ZP),Y and ABS,X
; Dummy reads for the following cases are tested:
;
; LDA ABS,X or (ZP),Y when carry is generated from low byte
; STA ABS,X or (ZP),Y
; ROL ABS,X always
.... |
xboot/libxnes | 1,931 | documents/test-roms/instr_misc/source/04-dummy_reads_apu.s | ; Tests dummy reads for (hopefully) ALL instructions which do them,
; including unofficial ones. Prints opcode(s) of failed
; instructions. Requires that APU implement $4015 IRQ flag reading.
.include "shell.inc"
zp_byte opcode
zp_byte errors
begin: setb SNDMODE,0
lda SNDCHN
delay 30000
setw addr,SNDCHN+3
rts
... |
xboot/libxnes | 1,856 | documents/test-roms/instr_misc/source/common/testing.s | ; Utilities for writing test ROMs
; In NVRAM so these can be used before initializing runtime,
; then runtime initialized without clearing them
nv_res test_code ; code of current test
nv_res test_name,2 ; address of name of current test, or 0 of none
; Sets current test code and optional name. Also resets
; checksum... |
xboot/libxnes | 2,660 | documents/test-roms/instr_misc/source/common/print.s | ; Prints values in various ways to output,
; including numbers and strings.
newline = 10
zp_byte print_temp_
; Prints indicated register to console as two hex
; chars and space
; Preserved: A, X, Y, flags
print_a:
php
pha
print_reg_:
jsr print_hex
lda #' '
jsr print_char_
pla
plp
rts
print_x:
php
pha
txa... |
xboot/libxnes | 1,491 | documents/test-roms/instr_misc/source/common/build_rom.s | ; Builds program as iNES ROM
; Default is 16K PRG and 8K CHR ROM, NROM (0)
.if 0 ; Options to set before .include "shell.inc":
CHR_RAM=1 ; Use CHR-RAM instead of CHR-ROM
CART_WRAM=1 ; Use mapper that supports 8K WRAM in cart
CUSTOM_MAPPER=n ; Specify mapper number
.endif
.ifndef CUSTOM_MAPPER
.ifdef CART_... |
xboot/libxnes | 5,523 | documents/test-roms/instr_misc/source/common/console.s | ; Scrolling text console with line wrapping, 30x29 characters.
; Buffers lines for speed. Will work even if PPU doesn't
; support scrolling (until text reaches bottom). Keeps border
; along bottom in case TV cuts it off.
;
; Defers most initialization until first newline, at which
; point it clears nametable and makes ... |
xboot/libxnes | 1,096 | documents/test-roms/instr_misc/source/common/text_out.s | ; Text output as expanding zero-terminated string at text_out_base
; The final exit result byte is written here
final_result = $6000
; Text output is written here as an expanding
; zero-terminated string
text_out_base = $6004
bss_res text_out_temp
zp_res text_out_addr,2
init_text_out:
ldx #0
; Put valid data fi... |
xboot/libxnes | 2,024 | documents/test-roms/instr_misc/source/common/ppu.s | ; PPU utilities
bss_res ppu_not_present
; Sets PPUADDR to w
; Preserved: X, Y
.macro set_ppuaddr w
bit PPUSTATUS
setb PPUADDR,>w
setb PPUADDR,<w
.endmacro
; Delays by no more than n scanlines
.macro delay_scanlines n
.if CLOCK_RATE <> 1789773
.error "Currently only supports NTSC"
.endif
delay ((n)*341)/3
.e... |
xboot/libxnes | 4,658 | documents/test-roms/instr_misc/source/common/shell.s | ; Common routines and runtime
; Detect inclusion loops (otherwise ca65 goes crazy)
.ifdef SHELL_INCLUDED
.error "shell.s included twice"
.end
.endif
SHELL_INCLUDED = 1
;**** Special globals ****
; Temporary variables that ANY routine might modify, so
; only use them between routine calls.
temp = <$A
temp2 = <$B... |
xboot/libxnes | 3,437 | documents/test-roms/instr_misc/source/common/delay.s | ; Delays in CPU clocks, milliseconds, etc. All routines are re-entrant
; (no global data). No routines touch X or Y during execution.
; Code generated by macros is relocatable; it contains no JMPs to itself.
zp_byte delay_temp_ ; only written to
; Delays n clocks, from 2 to 16777215
; Preserved: A, X, Y, flags
.macro... |
xboot/libxnes | 1,632 | documents/test-roms/instr_misc/source/common/crc.s | ; CRC-32 checksum calculation
zp_res checksum,4
zp_byte checksum_temp
zp_byte checksum_off_
; Turns CRC updating on/off. Allows nesting.
; Preserved: A, X, Y
crc_off:
dec checksum_off_
rts
crc_on: inc checksum_off_
beq :+
jpl internal_error ; catch unbalanced crc calls
: rts
; Initializes checksum modul... |
xboot/libxnes | 16,115 | documents/test-roms/cpu_dummy_writes/source/cpu_dummy_writes_oam.s | ; All read-modify-write-instructions on 6502 have a particular glitch:
; They first write back the unmodified value; then, the modified value.
; This test uses the PPU OAM write ($2004) autoincrement feature to
; verify that the CPU does that.
;
; Expected output:
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
; TEST: cpu_d... |
xboot/libxnes | 23,304 | documents/test-roms/cpu_dummy_writes/source/cpu_dummy_writes_ppumem.s | ; All read-modify-write-instructions on 6502 have a particular glitch:
; They first write back the unmodified value; then, the modified value.
;
; This test requires that the PPU open bus behavior is accurately emulated.
; Cycle accuracy will not be tested.
;
;
; Expected output:
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;... |
xboot/libxnes | 1,856 | documents/test-roms/cpu_dummy_writes/source/common/testing.s | ; Utilities for writing test ROMs
; In NVRAM so these can be used before initializing runtime,
; then runtime initialized without clearing them
nv_res test_code ; code of current test
nv_res test_name,2 ; address of name of current test, or 0 of none
; Sets current test code and optional name. Also resets
; checksum... |
xboot/libxnes | 5,870 | documents/test-roms/cpu_dummy_writes/source/common/print.s | ; Prints values in various ways to output,
; including numbers and strings.
newline = 10
zp_byte print_temp_
; Prints indicated register to console as two hex
; chars and space
; Preserved: A, X, Y, flags
print_a:
php
pha
print_reg_:
jsr print_hex
lda #' '
jsr print_char_
pla
plp
rts
print_x:
php
pha
txa... |
xboot/libxnes | 1,591 | documents/test-roms/cpu_dummy_writes/source/common/build_rom.s | ; Builds program as iNES ROM
; Default is 16K PRG and 8K CHR ROM, NROM (0)
.if 0 ; Options to set before .include "shell.inc":
CHR_RAM=1 ; Use CHR-RAM instead of CHR-ROM
CART_WRAM=1 ; Use mapper that supports 8K WRAM in cart
CUSTOM_MAPPER=n ; Specify mapper number
.endif
.ifndef CUSTOM_MAPPER
.ifdef CART_... |
xboot/libxnes | 4,296 | documents/test-roms/cpu_dummy_writes/source/common/console.s | ; Scrolling text console with line wrapping, 30x29 characters.
; Buffers lines for speed. Will work even if PPU doesn't
; support scrolling (until text reaches bottom). Keeps border
; along bottom in case TV cuts it off.
;
; Defers most initialization until first newline, at which
; point it clears nametable and makes ... |
xboot/libxnes | 1,096 | documents/test-roms/cpu_dummy_writes/source/common/text_out.s | ; Text output as expanding zero-terminated string at text_out_base
; The final exit result byte is written here
final_result = $6000
; Text output is written here as an expanding
; zero-terminated string
text_out_base = $6004
bss_res text_out_temp
zp_res text_out_addr,2
init_text_out:
ldx #0
; Put valid data fi... |
xboot/libxnes | 2,024 | documents/test-roms/cpu_dummy_writes/source/common/ppu.s | ; PPU utilities
bss_res ppu_not_present
; Sets PPUADDR to w
; Preserved: X, Y
.macro set_ppuaddr w
bit PPUSTATUS
setb PPUADDR,>w
setb PPUADDR,<w
.endmacro
; Delays by no more than n scanlines
.macro delay_scanlines n
.if CLOCK_RATE <> 1789773
.error "Currently only supports NTSC"
.endif
delay ((n)*341)/3
.e... |
xboot/libxnes | 4,658 | documents/test-roms/cpu_dummy_writes/source/common/shell.s | ; Common routines and runtime
; Detect inclusion loops (otherwise ca65 goes crazy)
.ifdef SHELL_INCLUDED
.error "shell.s included twice"
.end
.endif
SHELL_INCLUDED = 1
;**** Special globals ****
; Temporary variables that ANY routine might modify, so
; only use them between routine calls.
temp = <$A
temp2 = <$B... |
xboot/libxnes | 4,822 | documents/test-roms/cpu_dummy_writes/source/common/delay.s | ; Delays in CPU clocks, milliseconds, etc. All routines are re-entrant
; (no global data). No routines touch X or Y during execution.
; Code generated by macros is relocatable; it contains no JMPs to itself.
zp_byte delay_temp_ ; only written to
; Delays n clocks, from 2 to 16777215
; Preserved: A, X, Y, flags
.macro... |
xboot/libxnes | 1,632 | documents/test-roms/cpu_dummy_writes/source/common/crc.s | ; CRC-32 checksum calculation
zp_res checksum,4
zp_byte checksum_temp
zp_byte checksum_off_
; Turns CRC updating on/off. Allows nesting.
; Preserved: A, X, Y
crc_off:
dec checksum_off_
rts
crc_on: inc checksum_off_
beq :+
jpl internal_error ; catch unbalanced crc calls
: rts
; Initializes checksum modul... |
XboxDev/cromwell | 12,133 | boot/BootStartup.S | /*
*
* BIOS ROM Startup Assembler
*/
/***************************************************************************
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Pub... |
XboxDev/cromwell | 9,409 | boot_rom/2bBootStartup.S | /*
*
* BIOS ROM Startup Assembler
* (C)2002 Andy, Michael, Paul, Steve
* Original top and bottom ROM code by Steve from an idea by Michael
* -- NOTE: Comment removed, the top / bottom Code changed to turnaround code.
*/
/***************************************************************************
* ... |
XboxDev/cromwell | 10,561 | boot_xbe/xbe.S | #define BASE_ADDRESS 0x10000
#define FILE_SIZE (0x4000+0x40000)
header_start:
.ascii "XBEH"
// digital signature
.long 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
.long 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
.long 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
.long 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
.long BASE_ADDRESS // ... |
XboxDev/cromwell | 26,002 | boot_xbe/font.S | // This 256 character 8x16 VGA font (IBM codepage 437) was taken from
// /usr/lib/kbd/consolefonts/default8x16.psf.gz in Linux Mandrake 8.2
font:
.byte 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
.byte 0x00, 0x00, 0x7E, 0x81, 0xA5, 0x81, 0x81, 0xBD, 0x99, 0x81, 0x81, 0... |
XboxDev/cromwell | 13,330 | boot_xbe/xbeboot.S | // Xbox Linux XBE Bootloader
//
// Copyright (C) 2002 Michael Steil & anonymous
//
// This program is free software; you can redistribute it and/or modify it
// under the terms of the GNU General Public License as published by the
// Free Software Foundation; either version 2 of the License, or (at your
// option) any... |
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