From 887802efcdb3b56263069cc6778a8f53ed89d599 Mon Sep 17 00:00:00 2001
From: mrb0nk500 <b0nk@b0nk.xyz>
Date: Mon, 22 Jun 2020 17:56:52 -0400
Subject: Did some more stuff.

- Fixed some bugs in the emulator's assembler.
- Worked on SuBAsm's lexer some more.
- Created a new directory for the SuB suite, and moved
  all of the SuB suite's files in there.
---
 programs/subasm.s | 383 ------------------------------------------------------
 1 file changed, 383 deletions(-)
 delete mode 100644 programs/subasm.s

(limited to 'programs/subasm.s')

diff --git a/programs/subasm.s b/programs/subasm.s
deleted file mode 100644
index 3c8e767..0000000
--- a/programs/subasm.s
+++ /dev/null
@@ -1,383 +0,0 @@
-; SuBAsm
-; The Sux Bootstrapped Assembler.
-;
-; by mr b0nk 500 <b0nk@b0nk.xyz>
-
-MAX_SYM = $800		; Max symbol size.
-
-.include "lexer.s"
-.include "utils.s"
-
-.org incl
-; String Constants.
-asm_name:
-	.byte "SuBAsm"
-asm_ver:
-	.byte "0.1"
-
-; Directives.
-dir:
-	.byte "org"
-	.byte "byte"
-	.byte "word"
-	.byte "dword"
-	.byte "qword"
-	.byte "include"
-
-; Short form Commands.
-sh_cmds:
-	.byte "vlahirs"
-
-; Commands.
-cmds:
-	.byte "viewmem"
-	.byte "list"
-	.byte "asm"
-	.byte "help"
-	.byte "inst"
-	.byte "run"
-	.byte "set"
-
-; Instruction mnemonics, and opcodes.
-
-; Legend.
-; mne = Mnemonic.
-; imm = Immediate data.
-; zm  = Zero Matrix.
-; zmx = Zero Matrix, indexed with X.
-; zmy = Zero Matrix, indexed with Y.
-; ind = Indirect.
-; idx = Indexed Indirect.
-; idy = Indirect Indexed.
-; abs = Absolute.
-; imp = Implied.
-
-mne:
-;	       mne   imm,  zm, zmx, zmy, ind, idx, idy, abs, imp
-	.byte "CPS", $FF, $FF, $FF, $FF, $FF, $FF, $FF, $FF, $00
-	.byte "ADC", $01, $06, $FF, $FF, $FF, $FF, $FF, $04, $FF
-	.byte "AAB", $FF, $FF, $FF, $FF, $FF, $FF, $FF, $FF, $02
-	.byte "PHP", $08, $FF, $FF, $FF, $FF, $FF, $FF, $FF, $FF
-	.byte "CPB", $09, $2D, $FF, $FF, $55, $AD, $AC, $2C, $FF
-	.byte "PHB", $0A, $FF, $FF, $FF, $FF, $FF, $FF, $FF, $FF
-	.byte "DEC", $FF, $0D, $FF, $FF, $FF, $FF, $FF, $0C, $E5
-	.byte "JMP", $FF, $0E, $FF, $FF, $CE, $FF, $FF, $10, $FF
-	.byte "SBC", $11, $16, $FF, $FF, $FF, $FF, $FF, $14, $FF
-	.byte "SAB", $FF, $FF, $FF, $FF, $FF, $FF, $FF, $FF, $12
-	.byte "ENT", $18, $FF, $FF, $FF, $FF, $FF, $FF, $FF, $FF
-	.byte "CPY", $19, $3D, $FF, $FF, $85, $FF, $FF, $4C, $FF
-	.byte "PLB", $1A, $FF, $FF, $FF, $FF, $FF, $FF, $FF, $FF
-	.byte "INC", $FF, $1D, $FF, $FF, $FF, $FF, $FF, $1C, $F5
-	.byte "JSR", $FF, $1E, $FF, $FF, $BE, $FF, $FF, $20, $FF
-	.byte "AND", $21, $26, $FF, $FF, $FF, $FF, $FF, $24, $FF
-	.byte "ABA", $FF, $FF, $FF, $FF, $FF, $FF, $FF, $FF, $22
-	.byte "PLP", $28, $FF, $FF, $FF, $FF, $FF, $FF, $FF, $FF
-	.byte "CPX", $29, $4D, $FF, $FF, $B5, $FF, $FF, $3C, $FF
-	.byte "PHY", $2A, $FF, $FF, $FF, $FF, $FF, $FF, $FF, $FF
-	.byte "BPO", $FF, $2E, $FF, $FF, $FF, $FF, $FF, $30, $FF
-	.byte "ORA", $31, $36, $FF, $FF, $FF, $FF, $FF, $34, $FF
-	.byte "OAB", $FF, $FF, $FF, $FF, $FF, $FF, $FF, $FF, $32
-	.byte "STT", $38, $FF, $FF, $FF, $FF, $FF, $FF, $FF, $FF
-	.byte "PLY", $3A, $FF, $FF, $FF, $FF, $FF, $FF, $FF, $FF
-	.byte "BNG", $FF, $3E, $FF, $FF, $FF, $FF, $FF, $40, $FF
-	.byte "XOR", $41, $46, $FF, $FF, $FF, $FF, $FF, $44, $FF
-	.byte "XAB", $FF, $FF, $FF, $FF, $FF, $FF, $FF, $FF, $42
-	.byte "PHA", $48, $FF, $FF, $FF, $FF, $FF, $FF, $FF, $FF
-	.byte "PHX", $4A, $FF, $FF, $FF, $FF, $FF, $FF, $FF, $FF
-	.byte "BCS", $FF, $4E, $FF, $FF, $FF, $FF, $FF, $50, $FF
-	.byte "LSL", $51, $56, $FF, $FF, $FF, $FF, $FF, $54, $FF
-	.byte "LLB", $FF, $FF, $FF, $FF, $FF, $FF, $FF, $FF, $52
-	.byte "CLC", $FF, $FF, $FF, $FF, $FF, $FF, $FF, $FF, $58
-	.byte "PLX", $5A, $FF, $FF, $FF, $FF, $FF, $FF, $FF, $FF
-	.byte "BCC", $FF, $5E, $FF, $FF, $FF, $FF, $FF, $60, $FF
-	.byte "LSR", $61, $66, $FF, $FF, $FF, $FF, $FF, $64, $FF
-	.byte "LRB", $FF, $FF, $FF, $FF, $FF, $FF, $FF, $FF, $62
-	.byte "PLA", $68, $FF, $FF, $FF, $FF, $FF, $FF, $FF, $FF
-	.byte "TAB", $FF, $FF, $FF, $FF, $FF, $FF, $FF, $FF, $6A
-	.byte "BEQ", $FF, $6E, $FF, $FF, $FF, $FF, $FF, $70, $FF
-	.byte "ROL", $71, $76, $FF, $FF, $FF, $FF, $FF, $74, $FF
-	.byte "RLB", $FF, $FF, $FF, $FF, $FF, $FF, $FF, $FF, $72
-	.byte "SEC", $FF, $FF, $FF, $FF, $FF, $FF, $FF, $FF, $78
-	.byte "TBA", $FF, $FF, $FF, $FF, $FF, $FF, $FF, $FF, $7A
-	.byte "BNE", $FF, $7E, $FF, $FF, $FF, $FF, $FF, $80, $FF
-	.byte "ROR", $81, $86, $FF, $FF, $FF, $FF, $FF, $84, $FF
-	.byte "RRB", $FF, $FF, $FF, $FF, $FF, $FF, $FF, $FF, $82
-	.byte "DEY", $FF, $FF, $FF, $FF, $FF, $FF, $FF, $FF, $88
-	.byte "TAY", $FF, $FF, $FF, $FF, $FF, $FF, $FF, $FF, $8A
-	.byte "BVS", $FF, $8E, $FF, $FF, $FF, $FF, $FF, $90, $FF
-	.byte "MUL", $91, $96, $FF, $FF, $FF, $FF, $FF, $94, $FF
-	.byte "MAB", $FF, $FF, $FF, $FF, $FF, $FF, $FF, $FF, $92
-	.byte "CLI", $FF, $FF, $FF, $FF, $FF, $FF, $FF, $FF, $98
-	.byte "TYA", $FF, $FF, $FF, $FF, $FF, $FF, $FF, $FF, $9A
-	.byte "BVC", $FF, $9E, $FF, $FF, $FF, $FF, $FF, $A0, $FF
-	.byte "DIV", $A1, $A6, $FF, $FF, $FF, $FF, $FF, $A4, $FF
-	.byte "DAB", $FF, $FF, $FF, $FF, $FF, $FF, $FF, $FF, $A2
-	.byte "INY", $FF, $FF, $FF, $FF, $FF, $FF, $FF, $FF, $A8
-	.byte "TAX", $FF, $FF, $FF, $FF, $FF, $FF, $FF, $FF, $AA
-	.byte "RTS", $FF, $FF, $FF, $FF, $FF, $FF, $FF, $FF, $AE
-	.byte "CMP", $B1, $B6, $FF, $FF, $25, $7D, $7C, $B4, $FF
-	.byte "CAB", $FF, $FF, $FF, $FF, $FF, $FF, $FF, $FF, $B2
-	.byte "SEI", $FF, $FF, $FF, $FF, $FF, $FF, $FF, $FF, $B8
-	.byte "LDX", $B9, $BD, $FF, $C9, $95, $FF, $FF, $BC, $FF
-	.byte "TXA", $FF, $FF, $FF, $FF, $FF, $FF, $FF, $FF, $BA
-	.byte "RTI", $FF, $FF, $FF, $FF, $FF, $FF, $FF, $FF, $C0
-	.byte "LDA", $C1, $C6, $79, $39, $05, $5D, $5C, $C4, $FF
-	.byte "DEX", $FF, $FF, $FF, $FF, $FF, $FF, $FF, $FF, $C5
-	.byte "CLV", $FF, $FF, $FF, $FF, $FF, $FF, $FF, $FF, $C8
-	.byte "TYX", $FF, $FF, $FF, $FF, $FF, $FF, $FF, $FF, $CA
-	.byte "STA", $FF, $CD, $89, $49, $15, $6D, $6C, $CC, $FF
-	.byte "TSX", $FF, $FF, $FF, $FF, $FF, $FF, $FF, $FF, $D0
-	.byte "LDB", $D1, $D6, $99, $59, $35, $8D, $8C, $D4, $FF
-	.byte "INX", $FF, $FF, $FF, $FF, $FF, $FF, $FF, $FF, $D5
-	.byte "WAI", $FF, $FF, $FF, $FF, $FF, $FF, $FF, $FF, $D8
-	.byte "TXY", $FF, $FF, $FF, $FF, $FF, $FF, $FF, $FF, $DA
-	.byte "STB", $FF, $DD, $A9, $69, $45, $9D, $9C, $DC, $FF
-	.byte "TXS", $E0, $FF, $FF, $FF, $FF, $FF, $FF, $FF, $FF
-	.byte "LDY", $E1, $E6, $E9, $FF, $65, $FF, $FF, $E4, $FF
-	.byte "BRK", $FF, $FF, $FF, $FF, $FF, $FF, $FF, $FF, $E8
-	.byte "NOP", $FF, $FF, $FF, $FF, $FF, $FF, $FF, $FF, $EA
-	.byte "STY", $FF, $ED, $F9, $FF, $75, $FF, $FF, $EC, $FF
-	.byte "DEB", $FF, $FF, $FF, $FF, $FF, $FF, $FF, $FF, $EE
-	.byte "ASR", $F1, $F6, $FF, $FF, $FF, $FF, $FF, $F4, $FF
-	.byte "ARB", $FF, $FF, $FF, $FF, $FF, $FF, $FF, $FF, $F2
-	.byte "STX", $FF, $FD, $FF, $D9, $A5, $FF, $FF, $FC, $FF
-	.byte "INB"  $FF, $FF, $FF, $FF, $FF, $FF, $FF, $FF, $FE
-
-; Command subroutine table.
-cmd_srt:
-	.word viewmem
-	.word list
-	.word asm
-	.word help
-	.word inst
-	.word run
-	.word set
-
-; Data entry point for the lexer.
-lexer_data:
-
-
-; Token table.
-.org $20000
-tokline:
-
-.org cmd_buf+$400
-; Program Counter.
-prg_cnt:
-	.qword 0
-; Hex digit string buffer.
-hex_str:
-	.qword 0, 0
-; String buffer.
-strbuf:
-
-.org strbuf+$80
-; Subroutine pointer.
-sub_ptr:
-	.word 0
-
-; Indecies.
-idx0:
-	.qword 0
-idx1:
-	.qword 0
-idx2:
-	.qword 0
-idx3:
-	.qword 0
-
-; Current token line.
-ctok:
-	.word 0
-
-; Last token line.
-ltok:
-	.word 0
-
-; Lexeme string.
-lexeme:
-
-; Symbol table.
-.org lexeme+$100
-sym:
-
-; Fixup table.
-; Fixups are unresolved symbols.
-.org sym+$8000
-fix:
-
-
-; Start of program code.
-.org parser
-subasm:
-	ldb #0		; Set the first pointer
-	lda.d #cmd_buf	; to the command buffer.
-	jsr set_ptr	;
-	tba		; Reset A.
-	tax		; Reset X.
-	jsr chk_shcmd	; Did we get a shortend command?
-	bne @cmd	; Yes, so skip everything else.
-	jsr chk_cmd	; No, but did we get a full command?
-	bne @cmd	; Yes, so skip everything else.
-	jsr lex		; No, so start lexing this line.
-	jmp @end	; We are done.
-@cmd:
-	ldb #1		; Set the second pointer
-	lda.d #cmd_srt	; to the command subroutine table.
-	jsr set_ptr	;
-	deb		; Reset B.
-	tba		; Reset A.
-	lda f		; Get the command ID.
-	cmp #8		; Is the command ID greater than the command count?
-	bcs @end	; Yes, so we're done.
-	lsl #1		; No, so multiply the command ID by two.
-	phy #2		; Preserve the screen buffer position.
-	tay		; Set the index to the offset that we just calculated.
-	lda.w (ptr2), y	; Get the command subroutine, from the command subroutine table.
-	ply #2		; Get back the screen buffer position.
-	ldb #2		; Save it in the third pointer.
-	jsr set_ptr	;
-	ldb #0		; Reset B.
-	jsr (ptr3)	; Run the command's subroutine.
-@end:
-	rts		; End of subasm.
-
-chk_shcmd:
-	tba		; Reset A.
-	inb		; Set the second pointer
-	lda.w #sh_cmds	; to the shortend command table.
-	jsr set_ptr	;
-	deb		; Reset B.
-	tba		; Reset A.
-	phy #2		; Preserve the screen buffer position.
-	txy		; Set our index to zero.
-	lda (ptr), y	; Is there nothing in the command buffer?
-	beq @false	; Yes, so return that we failed.
-	cmp #' '	; No, but is this character, a space?
-	beq @false	; Yes, so return that we failed.
-	jsr tolower	; No, so convert it to lowercase.
-@loop:
-	ldb (ptr2), y	; Are we at the end of the table?
-	beq @false	; Yes, so return that we failed.
-	cab		; No, so did the character match?
-	beq @found	; Yes, so check if there are any arguments.
-	iny		; No, so check the next command.
-	jmp @loop	; Keep looping.
-@found:
-	sty f		; Save the command ID.
-	ldy #1		; Check the next character in the command buffer.
-	lda (ptr), y	; Is this the end of the buffer?
-	beq @true	; Yes, so return that we succeded.
-	cmp #' '	; No, but is this a space?
-	beq @true	; Yes, so return that we succeded.
-	jmp @false	; No, so return that we failed.
-@true:
-	lda #1		; Return true.
-	jmp @end	; We are done.
-@false:
-	ldb #0		; Reset B.
-	tba		; Return false.
-	tax		; Reset X.
-@end:
-	ply #2		; Get back the screen buffer position.
-	rts		; End of chk_shcmd.
-
-
-chk_cmd:
-	tba		; Reset A.
-	tax		; Reset X.
-	sta.q idx0	; Reset the first index.
-	sta.q idx1	; Reset the second index.
-@loop:
-	lda.w #cmds	; Get pointer to the start of the command table.
-	clc		; Prepare for a non carrying add.
-	adc.w idx0	; Offset the pointer, by the length of the previous string.
-	pha #8		; Preserve the command string pointer.
-	jsr strcasecmp	; Is the command buffer, the same as the command string?
-	pla #8		; Get the command string pointer back.
-	beq @true	; Yes, so return true.
-	ldb idx1	; No, so Get the command ID.
-	cpb #7		; Have we reached the end of the command table?
-	beq @false	; Yes, so return false.
-	inc idx1	; No, so increment the command ID.
-@getlen:
-	jsr strlen	; Get the string's length.
-	inx		; Add one to the length.
-	txa		; Place it in the accumulator.
-	clc		; Prepare for a non carrying add.
-	adc.w idx0	; Add the string offset to the current length
-	sta.w idx0	; Save the offset in the first index.
-	jmp @loop	; Keep looping.
-@true:
-	ldb idx1	; Get the command ID.
-	stb f		; Return the command ID.
-	ldb #1		; Return true.
-	jmp @end	; We are done.
-@false:
-	ldb #0		; Return false.
-@end:
-	rts		; End of chk_cmd.
-
-viewmem:
-	lda.q prg_cnt	; Get the program counter.
-	sta.q idx0	; Save the address in the first index.
-	and #$F0	; Clear the first four bits of the address.
-	sta idx0	; Overwrite the first byte, with the masked byte.
-	lda #19		; Move the cursor to the right, by 19 columns.
-	sta scr_col	;
-	jsr update_pos	;
-	jsr print_lo	; Print the low nibble offsets.
-	ldx #0		; Reset X.
-	ldb #0		; Reset B.
-	stb idx1	; Reset the byte count.
-@loop:
-	lda #'\n'	; Print a newline.
-	jsr print_char	;
-	jsr print_hi	; Place the address in the string buffer.
-	jsr print_chunk	; Place the next 16 bytes in the string buffer.
-	lda.d #strbuf	; Print the string buffer.
-	jsr print_str	;
-	inc idx1	; Increment the chunk count.
-	ldb idx1	; Get the chunk count.
-	cpb #$10	; Did we print 16 chunks?
-	beq @end	; Yes, so we're done.
-	lda.q idx0	; No, so get the address index.
-	clc		; Prepare for a non carrying add.
-	adc #$10	; Add 16 to the address.
-	sta.q idx0	; Put it back into the address.
-	and #0		; Reset A.
-	jmp @loop	; Keep looping.
-@end:
-	lda #'\n'	; Print a newline.
-	jsr print_char	;
-	and #0		; Reset A.
-	rts		; End of viewmem.
-
-
-list:
-	nop		;
-@end:
-	rts		; End of list.
-asm:
-	nop		;
-@end:
-	rts		; End of asm.
-help:
-	nop		;
-@end:
-	rts		; End of help.
-inst:
-	nop		;
-@end:
-	rts		; End of inst.
-run:
-	nop		;
-@end:
-	rts		; End of run.
-set:
-	nop		;
-@end:
-	rts		; End of set.
-
-; Entry point for utility subroutines.
-lexer:
-- 
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