diff options
Diffstat (limited to 'test')
-rw-r--r-- | test/add-sub.s | 2 | ||||
-rw-r--r-- | test/fib2.s | 14 | ||||
-rw-r--r-- | test/hello-world.s | 22 | ||||
-rw-r--r-- | test/input-2.s | 412 | ||||
-rw-r--r-- | test/input-3.s | 900 | ||||
-rw-r--r-- | test/input.s | 338 | ||||
-rw-r--r-- | test/subroutine.s | 4 | ||||
-rw-r--r-- | test/test.s | 17 |
8 files changed, 29 insertions, 1680 deletions
diff --git a/test/add-sub.s b/test/add-sub.s index 694931d..3dfdca4 100644 --- a/test/add-sub.s +++ b/test/add-sub.s @@ -8,7 +8,7 @@ reset: cps ; Clear the processor status register. ldx.w #$FFFF ; Reset the stack pointer. txs ; - lsr #16 ; Reset A. + and #0 ; Reset A. tab ; Reset B. tax ; Reset X. up: diff --git a/test/fib2.s b/test/fib2.s index 59830a2..9bb2406 100644 --- a/test/fib2.s +++ b/test/fib2.s @@ -1,19 +1,9 @@ -; Variables for thread 0. -.org $1000 -x: - .qword 0 -y: - .qword 1 -z: - .qword 0 -zero: - .qword 0 .org 0 init: cps ; Clear the Processor Status register. start: - lsr #63 ; Reset the accumulator. + and #0 ; Reset the accumulator. tab ; tax ; tay ; @@ -30,4 +20,4 @@ fib: tay ; jmp fib ; No, so keep looping. a -done +d diff --git a/test/hello-world.s b/test/hello-world.s index 9138bc7..f3b540a 100644 --- a/test/hello-world.s +++ b/test/hello-world.s @@ -1,8 +1,12 @@ ; Hello world. ; Writen in Sux assembly by mr b0nk 500 <b0nk@b0nk.xyz> +status = $100 ; Status. +scr = $101 ; Screen output. + + ; Initialize, and declare variables. -.org $8000 +.org $A000 string: .byte "Hello, world!\n" @@ -12,7 +16,7 @@ buffer: ; Get CPU into a known state. -.org $0 +.org $8000 reset: cps ; Reset the processor status. ldx.w #$FFFF ; Set up the stack pointer. @@ -25,21 +29,22 @@ start: line_count: iny ; Increment the line count. - cpy #$32 - beq spin ; Have we printed 50 lines? - jmp start ; Keep looping until we have printed 50 lines. + cpy #50 ; Have we printed 50 lines? + beq disp ; Yes, so we're done. + jmp start ; No, so keep looping. ; Printing sub routine. print: lda string, x ; Get character at offset x. beq line_count ; Did we find a null terminator? - sta $C001 ; Print character. + sta scr ; Print character. inx ; Increment offset. jmp print ; Keep printing more characters. ; The other threads would clash, if we're running the same code. ; So, have them spin instead, please? -.org $1000 +disp: + lda status spin: nop nop @@ -58,5 +63,6 @@ spin: .qword spin .qword spin .qword spin -done +a +d diff --git a/test/input-2.s b/test/input-2.s deleted file mode 100644 index f5cb49e..0000000 --- a/test/input-2.s +++ /dev/null @@ -1,412 +0,0 @@ -; Testing input. -; -; Writen in Sux assembly by -; mr b0nk 500 <b0nk@b0nk.xyz> - -; Instruction mnemonics, -; and opcodes. -.org $1000 -tok: - .byte "dab" -msg: - .byte "oof, you divided a, and b on me.\n" - -; Input buffer. -.org $2000 -buffer: - -.org $2800 -cmd_buf: - -; Initalize some variables. -.org $0 -scr_row: - .byte $0 -scr_col: - .byte $0 -a: - .byte $0 -b: - .byte $0 -c: - .byte $0 -d: - .byte $0 -e: - .byte $0 -string: - .byte "Please, type something.\n" -string2: - .byte "You typed, " -end: - .byte $0 - -; String Pointer -ptr: - .qword buffer -cptr: - .qword cmd_buf -tptr: - .qword tok -mptr: - .qword msg - - -; Main program -.org $8000 -reset: - cps - ldx.w #$FFFF - txs - ldy #0 - lda #0 -clr_buf: - cpy.w #$7FF - beq start - sta (ptr), y - iny - jmp clr_buf - -start: - lda #0 - sta $C000 - tax ; Reset x. - tay ; Reset y. - jsl clr_cbuf - jmp print - -clr_cbuf: - cpy.w #$3FF - beq clr_cbuf_end - sta (cptr), y - iny - jmp clr_cbuf -clr_cbuf_end: - ldy #0 - rtl - -rset_a: - lda #1 -read: - lda $C000 ; Get control register. - beq rset_a ; Loop until we get a character. - jmp getchar ; We got a key. -sleep: - lda end - bne spin ; Are we done with getting input? - -print: - lda string, x ; Get character at offset x. - beq rset_a ; Did we find a null terminator? - sta $C001 ; Print character. - inx ; Increment offset. - cmp #$A - beq inc_row - inc scr_col - jmp print -inc_row: - lda #0 - sta scr_col - lda #$42 - sta c - jsl isdown - jmp print ; Keep printing more characters. - -getchar: - lda $C002 ; Get typed character. - cmp #$1B - beq esc - cmp #$A - beq nl ; Did the user type a newline? - cmp #8 - beq bs ; Did the user type a backspace? - cmp #$7F - beq bs ; Did the user type a backspace? -echo: - sta a - ldx scr_col - cpx #79 - bne echo_print -linewrap: - inc scr_row - ldx #0 - stx scr_col - lda scr_row - jsl update_pos -echo_print: - lda a - sta $C001 ; Echo typed character. - inc scr_col ; Increment the cursor's x coordinate. - sta (ptr), y ; Store typed character into the input buffer. - iny - jmp rset_a ; Start getting user input. - -esc: - lda $C000 ; Skip the '['. - lda $C000 ; Get the next character. - beq read ; We have an error, so discard it, and go back to getting user input. - lda $C002 ; Get the escape code. - sta c ; Store the escape code, until we need it. - jsl isup ; Check if the user pressed up. - lda d - bne esc_end - jsl isdown ; Check if the user pressed down. - lda d - bne esc_end - lda #0 - jsl isleft ; Check if the user pressed left. - lda d - bne esc_end - jsl isright ; Check if the user pressed right. -esc_end: - lda #0 - sta d - jmp rset_a ; Go back to getting user input. - -isup: - lda scr_row ; Is the cursor at the top of the screen? - beq isup_done ; Yes, so return. - lda c ; No, so load the escape code back into the accumulator. - cmp #$41 ; Did the user press the up arrow key? - beq up ; Yes, so move the cursor up. -isup_done: - rtl ; End of isup. - -isdown: - lda scr_row ; Start checking the y coordinate of the cursor. - cmp #23 ; Is the cursor at the bottom of the screen? - beq isdown_done ; Yes, so return. - lda c ; No, so load the escape code back into the accumulator. - cmp #$42 ; Did the user press the down arrow key? - beq down ; Yes, so move the cursor down. -isdown_done: - rtl ; End of isdown. - -isright: - lda scr_col ; Start checking the x coordinate of the cursor. - cmp #79 ; Is the cursor at the far right of the screen? - beq isright_end ; Yes, so return. - lda c ; No, so load the escape code back into the accumulator. - cmp #$43 ; Did the user press the right arrow key? - beq right ; Yes, so move the cursor right. -isright_end: - rtl ; End of isright. - -isleft: - lda scr_col ; Is the cursor at the far left of the screen? - beq isleft_done ; Yes, so return. - lda c ; No, so load the escape code back into the accumulator. - cmp #$44 ; Did the user press the left arrow key? - beq left ; Yes, so move the cursor left. -isleft_done: - rtl ; End of isleft. - -up: - dec scr_row - jsl update_pos - lda #1 - sta d - jmp isup_done -down: - inc scr_row - jsl update_pos - lda #1 - sta d - jmp isdown_done -right: - inc scr_col - jsl update_pos - jmp isright_end -left: - dec scr_col - jsl update_pos - lda #1 - sta d - jmp isleft_done - -update_pos: - lda #$1B ; Print an escape character - sta $C001 ; to the screen. - lda #$5B ; Print '[' - sta $C001 ; to the screen, and start the escape sequence. - jsl getrow ; Start printing the row number to the screen. - jsl getcol ; Start printing the column number to the screen. - lda #$48 ; Print 'H' - sta $C001 ; to the screen. - rtl ; End of update_pos. -getrow: - lda scr_row ; Get the cursor's y coordinate. - div #10 ; Divide A by 10. - adc #$30 ; Convert it to ascii, and - sta $C001 ; print to the screen. - tba ; Get the remainder. - adc #$30 ; Convert it to ascii, and - sta $C001 ; print to the screen. - rtl ; End of getrow. -getcol: - lda #$3B ; Print ';' - sta $C001 ; to the screen. - lda scr_col ; Get the cursor's x coordinate. - div #10 ; Divide A by 10. - adc #$30 ; Convert it to ascii, and - sta $C001 ; print to the screen. - tba ; Get the remainder. - adc #$30 ; Convert it to ascii, and - sta $C001 ; print to the screen. - rtl ; End of getrow. - -nl: - lda #0 - sta scr_col - sta (ptr), y ; Store said terminator into the input buffer. - lda #$42 - sta c - jsl isdown - ldy.w #0 ; Reset y, to print the result. - jsl dabbed - beq start - ldy #0 - jmp result - -back: - sta $C001 ; Print backspace. - lda #0 ; Put a null terminator, in place of the backspace. - sta (ptr), y ; Place it into the input buffer. - dey ; Decrement buffer offset. - dec scr_col - jmp read ; Get next character. - -bs: - cpy #0 ; Are we at the start of the buffer? - beq rset_a ; We are, so do not store the backspace into the buffer. - jmp back ; We are not, so add the backspace to the buffer. - -result: - ldx scr_col - cpx #79 - bne result_print -linewrap2: - inc scr_row - ldx #$0 - stx scr_col - jsl update_pos -result_print: - lda string2, y - beq rset_y ; Reset y, if we hit the null terminator. - sta $C001 ; Print 'You have typed, ' - inc scr_col ; Increment the cursor's x coordinate. - iny ; Increment offset. - jmp result ; Keep printing. - -rset_y: - ldy.w #0 ; Reset y. - ldx.w #0 ; Reset x. - lda.w #0 ; Reset a. - jmp print_buf ; Print the input buffer. -dabbed: - lda (ptr), y ; Get a character from the input buffer. - beq dab_nend ; Are we done with printing the buffer? - cmp (tptr), y - bcs dab_nend - beq chk_str - bcc dab_nend -chk_str: - iny - cpy #3 - bne dabbed - ldy #0 -pnt_msg: - ldx scr_col - cpx #79 - bne msg_pnt -linewrap3: - inc scr_row - ldx #0 - stx scr_col - jsl update_pos -msg_pnt: - lda (mptr), y ; Get a character from the input buffer. - beq dab_eqnd ; Are we done with printing the buffer? - sta $C001 ; Print said character. - inc scr_col ; Increment the cursor's x coordinate. - iny - jmp pnt_msg ; Keep printing the buffer. -dab_nend: - lda #1 - jmp dab_end -dab_eqnd: - lda #0 - jmp dab_end -dab_end: - rtl - - - -print_buf: - ldx scr_col - cpx #79 - bne buf_print -linewrap4: - inc scr_row - ldx #0 - stx scr_col - jsl update_pos -buf_print: - lda (ptr), y ; Get a character from the input buffer. - beq cmd_clr ; Are we done with printing the buffer? - sta $C001 ; Print said character. - inc scr_col ; Increment the cursor's x coordinate. - iny - jmp print_buf ; Keep printing the buffer. - -cmd_clr: - lda #0 - sta scr_col - lda #$42 - sta c - jsl isdown - jmp start - -scr_to_buf: - tax - mul #80 - adc scr_col - tay - txa - rtl - -spin: - nop - nop - nop - jmp spin - -.org $1000 -v -.org $1100 -v -.org $1200 -v -.org $8000 -v -.org $8100 -v -.org $8200 -v -.org $8300 -v -.org $FFC0 -.qword reset - -.org $FF50 -.qword spin -.qword spin -.qword spin -.qword spin -.qword spin -.qword spin -.qword spin -.org $FF50 -v -done - diff --git a/test/input-3.s b/test/input-3.s deleted file mode 100644 index 35547a7..0000000 --- a/test/input-3.s +++ /dev/null @@ -1,900 +0,0 @@ -; Testing input. -; -; Writen in Sux assembly by -; mr b0nk 500 <b0nk@b0nk.xyz> - -; Instruction mnemonics, -; and opcodes. -.org $1000 -tok: - .byte "dab" -msg: - .byte "oof, you divided a, and b on me.\n" - -; Input buffer. -.org $2000 -buffer: - -.org $4000 -cmd_buf: - - -; Initalize some variables. -.org $0 -scr_row: - .byte $0 -scr_col: - .byte $0 -scr_trow: - .byte $0 -scr_tcol: - .byte $0 -scr_ptr: - .word $0 -a: - .byte $0 -b: - .byte $0 -c: - .byte $0 -d: - .byte $0 -e: - .byte $0 -f: - .byte $0 -string: - .byte "Please, type something.\n" -string2: - .byte "You typed, " -end: - .byte $0 -bits: - .byte $80 - .byte $40 - .byte $20 - .byte $10 - .byte $08 - .byte $04 - .byte $02 - .byte $01 -bitmask: - .byte $0 -bitabl: - .qword $0 - .qword $0 -scr_str: -.byte $0 -scr_end: -.byte $0 -wrapped: -.byte $0 - -; Pointers -ptr: - .qword buffer -cptr: - .qword cmd_buf -tptr: - .qword tok -mptr: - .qword msg - -; Main program -.org $8000 -reset: - cps - ldx.w #$FFFF - txs - ldy #0 - lda #23 - sta scr_end - lda #0 - sta scr_str - ldx #8 - sta.q bitabl - sta.q bitabl, x - tax - jsl clr_buf - jmp start -clr_buf: - lda #0 - cpy.w #$1FFF - beq clr_buf_end - sta (ptr), y - iny - jmp clr_buf -clr_buf_end: - ldy.w #0 - rtl - -start: - lda #0 - tax - sta $C000 - phy #2 - ldy.w #0 - jsl clr_cbuf - ply #2 - jmp print - -clr_cbuf: - cpy.w #$3FF - beq clr_cbuf_end - sta (cptr), y - iny - jmp clr_cbuf -clr_cbuf_end: - rtl - -pull_y: - ply #2 -rset_a: - lda #0 - sta $C000 - inc -read: - lda $C000 ; Get control register. - beq rset_a ; Loop until we get a character. - jsl getchar ; We got a key. - beq parse ; We got a newline, so start parsing the line. - jmp rset_a ; We didn't get a newline, so keep getting more characters. - -print: - phy #2 - txy - lda string, y ; Get character at offset x. - beq pull_y ; Did we find a null terminator? - ply #2 - inx - jsl print_char - jmp print - -getbit: - clc - lda scr_str - bne getbt0 - ldx scr_row - jmp getbt1 -getbt0: - lda scr_row - adc scr_str - tax -getbt1: - jsl bitpos - ldb bitabl, x - aba - cmp #1 - jmp bitout - -;putbit: -; ldx scr_row -;putbt1: -; bcc setbit - - -clrbit: - jsl bitpos - xor #$FF - ldb bitabl, x - aba -bitsav: - sta bitabl, x -bitout: - ldx bitmask - rtl - -setbit: - jsl bitpos - ldb bitabl, x - oab - jmp bitsav - -bitpos: - stx bitmask - txa - and #7 - tax - lda bits, x - pha #1 - lda bitmask - lsr #3 - tax - pla #1 - rtl - - -getchar: - lda $C002 ; Get typed character. - ldb #0 - stb e - pha #1 - phy #2 - cmp #10 - beq cmd_cpy -getchar_pnt: - ply #2 - pla #1 - ldb e - bne reset_row -getchar_pnt1: - jsl print_char - lda a - cmp #10 - beq getchar_line - jmp getchar_char -reset_row: - ldb e - stb scr_row - jmp getchar_pnt1 - - -cmd_cpy: - ldb scr_row - stb e - jsl findst - clc - lda scr_row - adc scr_str - mul #80 - tay - ldx.w #$0 -cmd_cpy_strt: - lda (ptr), y - beq getchar_pnt - phy #2 - txy - sta (cptr), y - inx - ply #2 - iny - jmp cmd_cpy_strt -getchar_line: - lda #0 - jmp getchar_end -getchar_char: - lda #1 -getchar_end: - rtl - -findst: - jsl getbit - bcc findst_done - dec scr_row - bpo findst - inc scr_row -findst_done: - rtl - -parse: - lda #0 - tax - jsl dabbed - beq start - lda #0 - tax - jmp result - -print_char: - sta a - cmp #$1B - beq esc - cmp #$A - beq nl ; Did the user type a newline? - cmp #$C - beq clr_scr - cmp #19 - beq en_step - cmp #18 - beq dis_step - cmp #8 - beq bs ; Did the user type a backspace? - cmp #$7F - beq bs ; Did the user type a backspace? - sta a -printc: - lda a - sta (ptr), y ; Store typed character into the input buffer. - inc scr_col ; Increment the cursor's x coordinate. - iny -printc_2: - ldb #1 - stb f - ldb scr_col - cpb #80 - bcs printc_4 -printc_3: - sta $C001 ; Echo typed character. - ldb f - beq printc_wrap - jmp printc_end -printc_4: - ldb scr_row - cpb #23 - bcs printc_scrl -printc_5: - ldb #0 - stb f - jmp printc_3 -printc_scrl: - sta $C001 ; Echo typed character. - clc - lda #1 - sta wrapped - jsl scrl_down -printc_wrap: - ldb #0 - stb scr_col - ldb scr_row - cpb #23 - bcs printc_wrap2 -printc_wrap1: - inc scr_row -printc_wrap2: - phx #2 - clc - lda scr_row - adc scr_str - tax - jsl setbit - plx #2 - jsl update_pos -printc_end: - rtl - -nl: - lda #0 - sta (ptr), y ; Store said terminator into the input buffer. - sta scr_col - lda scr_row - cmp #23 - bne nl_inc - jsl scrl_down - lda #10 - sta a - jmp printc_end -nl_inc: - inc scr_row - jsl update_pos - lda #10 - sta a - jmp printc_end - -clr_scr: - lda #23 - sta scr_end - lda #0 - sta scr_str - ldx #8 - sta.q bitabl - sta.q bitabl, x - tay - jsl clr_buf - sta scr_col - sta scr_row - jsl update_pos - lda #$C - sta $C001 - jmp printc_end - -en_step: - lda $C010 - beq step_en - jmp stp_end -step_en: - lda #1 - sta $C010 - jmp stp_end - -dis_step: - lda $C010 - bne step_dis - jmp stp_end -step_dis: - lda #0 - sta $C010 -stp_end: - jmp printc_end - -back: - lda #$7F - sta $C001 - dey ; Decrement buffer offset. - lda #0 ; Put a null terminator, in place of the backspace. - sta (ptr), y ; Place it into the input buffer. - dec scr_col - jsl update_pos - jmp printc_end ; Get next character. - -bs: - lda scr_col ; Are we at the start of the buffer? - beq back_wrap - jmp back ; We are not, so add the backspace to the buffer. -back_wrap: - jsl getbit - bcs back_wrap1 - jmp printc_end -back_wrap1: - lda scr_row - beq back_wrap2 - jmp backwrp -back_wrap2: - lda scr_str - bne back_scrl - jmp printc_end -back_scrl: - clc - jsl scrl_up - inc scr_row -backwrp: - clc - lda scr_row - adc scr_str - tax -backwrp2: - dec scr_row - jsl clrbit - ldb #80 - stb scr_col - jsl update_pos - jmp back - -esc: - lda $C000 ; Skip the '['. - lda $C002 - cmp #$1B - beq shftesc - lda $C000 ; Get the next character. - beq printc_end ; We have an error, so discard it, and go back to getting user input. - lda $C002 ; Get the escape code. - sta c ; Store the escape code, until we need it. - lda #0 - sta d - jsl isup ; Check if the user pressed up. - lda d - bne esc_end - jsl isdown ; Check if the user pressed down. - lda d - bne esc_end - lda #0 - jsl isleft ; Check if the user pressed left. - lda d - bne esc_end - jsl isright ; Check if the user pressed right. -esc_end: - lda #0 - sta d - jmp printc_end ; Go back to getting user input. - -shftesc: - lda $C000 ; Skip the '['. - lda $C000 ; Get the next character. - beq printc_end ; We have an error, so discard it, and go back to getting user input. - lda $C002 ; Get the escape code. - sta c ; Store the escape code, until we need it. - lda #0 - sta d - jsl isshftup ; Check if the user pressed shift+up. - lda d - bne shftesc_end - jsl isshftdown ; Check if the user pressed shift+down. -shftesc_end: - lda #0 - sta d - jmp printc_end ; Go back to getting user input. - -isup: - lda c ; No, so load the escape code back into the accumulator. - cmp #$41 ; Did the user press the up arrow key? - bne isup_done ; Yes, so return. - lda #1 - sta d - lda scr_row ; Is the cursor at the top of the screen? - beq isup_scrl ; Yes, so return. -isup_2: - lda c ; No, so load the escape code back into the accumulator. - cmp #$41 ; Did the user press the up arrow key? - beq up ; Yes, so move the cursor up. - jmp isup_done -isup_scrl: - lda scr_str - beq isup_done - jsl scrl_up -isup_done: - rtl ; End of isup. - -isdown: - lda c ; No, so load the escape code back into the accumulator. - cmp #$42 ; Did the user press the down arrow key? - bne isdown_done - lda scr_row ; Start checking the y coordinate of the cursor. - cmp #23 ; Is the cursor at the bottom of the screen? - beq isdown_scrl ; Yes, so return. - lda c ; No, so load the escape code back into the accumulator. - cmp #$42 ; Did the user press the down arrow key? - beq down ; Yes, so move the cursor down. - jmp isdown_done -isdown_scrl: - lda scr_row - sta scr_trow - lda scr_col - sta scr_tcol - jsl scrl_down - lda scr_trow - sta scr_row - lda scr_tcol - sta scr_col -isdown_done: - rtl ; End of isdown. - -isright: - lda c ; No, so load the escape code back into the accumulator. - cmp #$43 ; Did the user press the right arrow key? - bne isright_done - lda scr_col ; Start checking the x coordinate of the cursor. - cmp #79 ; Is the cursor at the far right of the screen? - beq isright_wrp ; Yes, so check if this is a wrapped line. - jmp right ; No, so move the cursor right, like normal. -isright_wrp: - inc scr_row - jsl getbit - bcs wrap_inc - dec scr_row - jmp isright_done -isright_scrl: - lda scr_str - beq isright_end - lda #1 - sta wrapped - jsl scrl_down - dec scr_row - jmp isright_end -wrap_inc: - lda #0 - sta scr_col - lda scr_row - cmp #23 - bcs isright_scrl -isright_end: - jsl update_pos -isright_done: - lda #0 - sta wrapped - rtl ; End of isright. - -isleft: - lda c - cmp #$43 - beq isleft_done - lda scr_col ; Is the cursor at the far left of the screen? - beq isleft_wrp ; Yes, so start checking if this is a wrapped line. - lda c ; No, so load the escape code back into the accumulator. - cmp #$44 ; Did the user press the left arrow key? - beq left ; Yes, so move the cursor left. - jmp isleft_done -isleft_wrp: - jsl getbit - bcs wrap_dec - jmp isleft_done -wrap_dec: - lda scr_row - beq wrap_dec1 - lda #1 - sta wrapped - dec scr_row -wrap_dec1: - lda #79 - sta scr_col - lda #1 - sta d - lda scr_row - beq isleft_scrl - jmp isleft_end -isleft_scrl: - lda wrapped - bne isleft_end - lda scr_str - beq isleft_done - jsl scrl_up - jmp isleft_done -isleft_end: - jsl update_pos -isleft_done: - lda #0 - sta wrapped - rtl ; End of isleft. - -up: - dec scr_row - jsl update_pos - lda #1 - sta d - jmp isup_done -down: - inc scr_row - jsl update_pos - lda #1 - sta d - jmp isdown_done -right: - inc scr_col - jsl update_pos - jmp isright_done -left: - dec scr_col - jsl update_pos - lda #1 - sta d - jmp isleft_done - -isshftup: - lda c ; Load the escape code back into the accumulator. - cmp #$41 ; Did the user press the up arrow key? - bne isshftup_done - lda #1 - sta d - lda scr_str - beq isshftup_done - jmp shftup -isshftup_done: - rtl - -isshftdown: - lda c ; Load the escape code back into the accumulator. - cmp #$42 ; Did the user press the down arrow key? - bne isshftdown_done - lda #1 - sta d - lda scr_end - cmp #71 - bcs isshftdown_done - jmp shftdown -isshftdown_done: - rtl - -shftup: - jsl scrl_up - lda #1 - sta d - jmp isshftup_done - -shftdown: - jsl scrl_down - lda #1 - sta d - jmp isshftdown_done - -update_pos: - ldb #1 - stb f - clc - lda scr_row - adc scr_str - clc - mul #80 - clc - adc scr_col - tay - lda #$1B ; Print an escape character - sta $C001 ; to the screen. - lda #$5B ; Print '[' - sta $C001 ; to the screen, and start the escape sequence. - jsl getrow ; Start printing the row number to the screen. - jsl getcol ; Start printing the column number to the screen. - lda #$48 ; Print 'H' - sta $C001 ; to the screen. - rtl ; End of update_pos. - -getrow: - lda scr_row ; Get the cursor's y coordinate. - div #10 ; Divide A by 10. - adc #$30 ; Convert it to ascii, and - sta $C001 ; print to the screen. - tba ; Get the remainder. - adc #$30 ; Convert it to ascii, and - sta $C001 ; print to the screen. - rtl ; End of getrow. - -getcol: - lda #$3B ; Print ';' - sta $C001 ; to the screen. - lda scr_col ; Get the cursor's x coordinate. - div #10 ; Divide A by 10. - clc - adc #$30 ; Convert it to ascii, and - sta $C001 ; print to the screen. - tba ; Get the remainder. - clc - adc #$30 ; Convert it to ascii, and - sta $C001 ; print to the screen. - rtl ; End of getrow. - -scrl_down: - - inc scr_str - inc scr_end - lda #$1B ; Print an escape character - sta $C001 ; to the screen. - lda #$5B ; Print '[' - sta $C001 ; to the screen, and start the escape sequence. - lda #$54 ; Print 'T' - sta $C001 ; to the screen, and end the escape sequence. - lda wrapped - beq scrldn_save -scrldn1: - jsl rdrw_row - lda wrapped - beq scrldn_load - jmp scrldn_end -scrldn_save: - lda scr_row - pha #1 - lda scr_col - pha #1 - jmp scrldn1 -scrldn_load: - pla #1 - sta scr_col - pla #1 - sta scr_row - jsl update_pos -scrldn_end: - lda #0 - sta wrapped -scrldn_done: - rtl - -scrl_up: - dec scr_str - dec scr_end - lda #$1B ; Print an escape character - sta $C001 ; to the screen. - lda #$5B ; Print '[' - sta $C001 ; to the screen, and start the escape sequence. - lda #$53 ; Print 'S' - sta $C001 ; to the screen, and end the escape sequence. - lda scr_row - pha #1 - lda scr_col - pha #1 - lda #0 - sta scr_row - jsl rdrw_row - pla #1 - sta scr_col - pla #1 - sta scr_row - jsl update_pos -scrlup_done: - rtl - -rdrw_row: - lda #0 - sta scr_col - jsl update_pos -rdrow_st: - lda (ptr), y - beq rdrow_inc - sta $C001 -rdrow_inc: - inc scr_col - lda (ptr), y - beq rdrow_skip - iny -rdrow_inc1: - lda scr_col - cmp #80 - bcs rdrow_end - jmp rdrow_st -rdrow_skip: - jsl update_pos - jmp rdrow_inc1 -rdrow_end: - lda #0 - sta scr_col - jsl update_pos -rdrow_done: - rtl - - -;rdrw_scr: -; lda #$C -; sta $C001 -; lda scr_col -; sta scr_tcol -; lda scr_row -; sta scr_trow -; lda #0 -; sta scr_col -; sta scr_row -; phy #2 -; jsl update_pos -; ply #2 -; ldx scr_ptr -; phy #2 -; txy -; lda (ptr), y -; sta $C001 -; ply #2 -; rtl - -result: - phy #2 - txy - lda string2, y - beq rset_y ; Reset y, if we hit the null terminator. - ply #2 - jsl print_char ; Print 'You have typed, ' - inx - jmp result ; Keep printing. - -rset_y: - ply #2 - lda #0 ; Reset a. - tax ; Reset y. - jmp print_buf ; Print the input buffer. - -dabbed: - phy #2 - txy - lda (cptr), y ; Get a character from the input buffer. - beq dab_pend ; Are we done with printing the buffer? - cmp (tptr), y - bcc dab_pend - beq chk_str - bcs dab_pend -chk_str: - ply #2 - inx - cpx #3 - bne dabbed - ldx #0 -pnt_msg: - phy #2 - txy - lda (mptr), y ; Get a character from the input buffer. - beq dab_peqnd ; Are we done with printing the buffer? - ply #2 - jsl print_char - inx - jmp pnt_msg ; Keep printing the buffer. -dab_pend: - ply #2 - lda #1 - jmp dab_end -dab_peqnd: - ply #2 - lda #0 - jmp dab_end -dab_end: - rtl - -print_buf: - phy #2 - txy - lda (cptr), y ; Get a character from the input buffer. - beq cmd_clr ; Are we done with printing the buffer? - ply #2 - jsl print_char - inx - jmp print_buf ; Keep printing the buffer. - -cmd_clr: - ply #2 - lda #10 - jsl print_char - jmp start - -.org $FFC0 -.qword reset - -.org $FF50 -.qword spin -.qword spin -.qword spin -.qword spin -.qword spin -.qword spin -.qword spin -done - diff --git a/test/input.s b/test/input.s deleted file mode 100644 index a8b0830..0000000 --- a/test/input.s +++ /dev/null @@ -1,338 +0,0 @@ -; Testing input. -; -; Writen in Sux assembly by -; mr b0nk 500 <b0nk@b0nk.xyz> - - -; Input buffer. -.org $4000 -buffer: - -; Initalize some variables. -.org $0 -scr_row: - .byte $0 -scr_col: - .byte $0 -a: - .byte $0 -b: - .byte $0 -c: - .byte $0 -d: - .byte $0 -e: - .byte $0 -string: - .byte "Please, type something.\n" -string2: - .byte "You typed, " -end: - .byte $0 - -; String Pointer -ptr: - .qword buffer - -; Main program -.org $8000 -reset: - cps - ldx.w #$FFFF - txs - ldy #0 - lda #0 -clr_buf: - cpy.w #$FFF - beq start - sta (ptr), y - iny - jmp clr_buf - -start: - tax ; Reset x. - tay ; Reset y. - jmp print - -rset_a: - lda #1 - -read: - lda $C000 ; Get control register. - beq rset_a ; Loop until we get a character. - lda #0 - sta $C000 - jmp getchar ; We got a key. -sleep: - lda end - bne spin ; Are we done with getting input? - -print: - lda string, x ; Get character at offset x. - beq rset_a ; Did we find a null terminator? - sta $C001 ; Print character. - inx ; Increment offset. - cmp #$A - beq inc_row - inc scr_col - jmp print -inc_row: - inc scr_row - lda #0 - sta scr_col - jmp print ; Keep printing more characters. - -getchar: - lda $C002 ; Get typed character. - cmp #$1B - beq esc - cmp #$A - beq nl ; Did the user type a newline? - cmp #8 - beq bs ; Did the user type a backspace? - cmp #$7F - beq bs ; Did the user type a backspace? -echo: - sta a - ldx scr_col - cpx #79 - bne echo_print -linewrap: - inc scr_row - ldx #0 - stx scr_col - lda scr_row - jsl update_pos -echo_print: - lda a - sta $C001 ; Echo typed character. - inc scr_col ; Increment the cursor's x coordinate. - sta (ptr), y ; Store typed character into the input buffer. - iny - jmp rset_a ; Start getting user input. - -esc: - lda $C000 ; Skip the '['. - lda $C000 ; Get the next character. - beq read ; We have an error, so discard it, and go back to getting user input. - lda $C002 ; Get the escape code. - sta c ; Store the escape code, until we need it. - jsl isup ; Check if the user pressed up. - lda d - cmp #0 - bne esc_end - jsl isdown ; Check if the user pressed down. - lda d - cmp #0 - bne esc_end - lda #0 - jsl isleft ; Check if the user pressed left. - lda d - cmp #0 - bne esc_end - jsl isright ; Check if the user pressed right. -esc_end: - lda #0 - sta d - jmp rset_a ; Go back to getting user input. - -isup: - lda scr_row ; Is the cursor at the top of the screen? - beq isup_done ; Yes, so return. - lda c ; No, so load the escape code back into the accumulator. - cmp #$41 ; Did the user press the up arrow key? - beq up ; Yes, so move the cursor up. -isup_done: - rtl ; End of isup. - -isdown: - lda scr_row ; Start checking the y coordinate of the cursor. - cmp #23 ; Is the cursor at the bottom of the screen? - beq isdown_done ; Yes, so return. - lda c ; No, so load the escape code back into the accumulator. - cmp #$42 ; Did the user press the down arrow key? - beq down ; Yes, so move the cursor down. -isdown_done: - rtl ; End of isdown. - -isright: - lda scr_col ; Start checking the x coordinate of the cursor. - cmp #79 ; Is the cursor at the far right of the screen? - beq isright_end ; Yes, so return. - lda c ; No, so load the escape code back into the accumulator. - cmp #$43 ; Did the user press the right arrow key? - beq right ; Yes, so move the cursor right. -isright_end: - rtl ; End of isright. - -isleft: - lda scr_col ; Is the cursor at the far left of the screen? - beq isleft_done ; Yes, so return. - lda c ; No, so load the escape code back into the accumulator. - cmp #$44 ; Did the user press the left arrow key? - beq left ; Yes, so move the cursor left. -isleft_done: - rtl ; End of isleft. - -up: - dec scr_row - jsl update_pos - lda #1 - sta d - jmp isup_done -down: - inc scr_row - jsl update_pos - lda #1 - sta d - jmp isdown_done -right: - inc scr_col - jsl update_pos - jmp isright_end -left: - dec scr_col - jsl update_pos - lda #1 - sta d - jmp isleft_done - -update_pos: - lda #$1B ; Print an escape character - sta $C001 ; to the screen. - lda #$5B ; Print '[' - sta $C001 ; to the screen, and start the escape sequence. - jsl getrow ; Start printing the row number to the screen. - jsl getcol ; Start printing the column number to the screen. - lda #$48 ; Print 'H' - sta $C001 ; to the screen. - rtl ; End of update_pos. -getrow: - lda scr_row ; Get the cursor's y coordinate. - div #10 ; Divide A by 10. - adc #$30 ; Convert it to ascii, and - sta $C001 ; print to the screen. - tba ; Get the remainder. - adc #$30 ; Convert it to ascii, and - sta $C001 ; print to the screen. - rtl ; End of getrow. -getcol: - lda #$3B ; Print ';' - sta $C001 ; to the screen. - lda scr_col ; Get the cursor's x coordinate. - div #10 ; Divide A by 10. - adc #$30 ; Convert it to ascii, and - sta $C001 ; print to the screen. - tba ; Get the remainder. - adc #$30 ; Convert it to ascii, and - sta $C001 ; print to the screen. - rtl ; End of getrow. - - -nl: - lda #$A - sta $C001 - inc scr_row - lda #0 ; Replace newline with a null terminator. - sta (ptr), y ; Store said terminator into the input buffer. - sta scr_col - ldy.w #0 ; Reset y, to print the result. - jmp result - -back: - sta $C001 ; Print backspace. - lda #0 ; Put a null terminator, in place of the backspace. - sta (ptr), y ; Place it into the input buffer. - dey ; Decrement buffer offset. - dec scr_col - jmp read ; Get next character. - -bs: - cpy #0 ; Are we at the start of the buffer? - beq rset_a ; We are, so do not store the backspace into the buffer. - jmp back ; We are not, so add the backspace to the buffer. - -result: - ldx scr_col - cpx #79 - bne result_print -linewrap2: - inc scr_row - ldx #$0 - stx scr_col - jsl update_pos -result_print: - lda string2, y - beq rset_y ; Reset y, if we hit the null terminator. - sta $C001 ; Print 'You have typed, ' - inc scr_col ; Increment the cursor's x coordinate. - iny ; Increment offset. - jmp result ; Keep printing. - - -rset_y: - ldy.w #0 ; Reset y. - jmp print_buf ; Print the input buffer. - -print_buf: - ldx scr_col - cpx #79 - bne buf_print -linewrap3: - inc scr_row - ldx #0 - stx scr_col - jsl update_pos -buf_print: - lda (ptr), y ; Get a character from the input buffer. - beq spin ; Are we done with printing the buffer? - sta $C001 ; Print said character. - inc scr_col ; Increment the cursor's x coordinate. - iny - jmp print_buf ; Keep printing the buffer. - -scr_to_buf: - tax - mul #80 - adc scr_col - tay - txa - rtl - -spin: - nop - nop - nop - jmp spin - -.org $1000 -v -.org $1100 -v -.org $1200 -v -.org $8000 -v -.org $8100 -v -.org $8200 -v -.org $8300 -v -.org $FFC0 -.qword reset - -.org $FF50 -.qword spin -.qword spin -.qword spin -.qword spin -.qword spin -.qword spin -.qword spin -.org $FF50 -v -;done -q - diff --git a/test/subroutine.s b/test/subroutine.s index 7db1b87..d39fc15 100644 --- a/test/subroutine.s +++ b/test/subroutine.s @@ -24,7 +24,7 @@ start: ;stb $C010 ;deb bench: - jsl clr_buf + jsr clr_buf jmp bench clr_buf: @@ -39,7 +39,7 @@ clr_buf: jmp clr_buf ; Keep looping. clr_buf_end: tay ; Set the index back to zero. - rtl ; End of clr_buf. + rts ; End of clr_buf. ;.org $C010 ;.byte $1 diff --git a/test/test.s b/test/test.s index 7c36579..14b9798 100644 --- a/test/test.s +++ b/test/test.s @@ -2,12 +2,15 @@ ; ; Writen by mr b0nk 500 <b0nk@b0nk.xyz> .org $8000 -cps ; Clear the processor status register. -lda.w #$1000 ; Load 0x1000 into the accumulator. -rol #$1 ; Then rotate the accumulator left by 1 bit. -jmp $8005 ; And then loop. +entry: + cps ; Clear the processor status register. + lda.w #$1000 ; Load 0x1000 into the accumulator. +loop: + rol #$1 ; Then rotate the accumulator left by 1 bit. + jmp loop ; And then loop. -.org $FFC0 ; Reset vector. -.qword $8000 -done +.org $FFC0 ; Reset vector. +.qword entry +a +d |